Illinois Official Reports 

Appellate Court

Yanello v. Park Family Dental, 2017 IL App (3d) 140926

Appellate Court 

Caption

NANCY YANELLO, Plaintiff-Appellant, v. PARK FAMILY 

DENTAL and JAE S. ROH, Individually and as Agent and Servant of 

PARK FAMILY DENTAL, Defendants-Appellees.

District & No. Third District

Docket No. 3-14-0926

Filed April 20, 2017

Decision Under 

Review

Appeal from the Circuit Court of Will County, No. 11-L-756; the Hon. 

Barbara Petrungaro, Judge, presiding.

Judgment Reversed; cause remanded.

Counsel on

Appeal

Jacob E. Gancarczyk and John M. Spesia, of Spesia & Ayers, of Joliet, 

for appellant.

Michael E. Kujawa, of Schain, Banks, Kenny & Schwartz, Ltd., of 

Chicago, for appellees.

Panel PRESIDING JUSTICE HOLDRIDGE delivered the judgment of the 

court, with opinion.

Justices Carter and Lytton concurred in the judgment and opinion. 
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 OPINION 

¶ 1 The plaintiff, Nancy Yanello, sued the defendants, Dr. Jae S. Roh and Park Family Dental, 

for professional negligence after certain dental implants surgically placed by Dr. Roh failed. 

Following a jury trial, judgment was entered in favor of the defendants on all counts. Yanello 

appeals the trial court’s judgment and requests a new trial. Yanello contends that the trial court 

abused its discretion and committed reversible error by (1) allowing a defense expert to present 

an actual human skull and a model skull to the jury and to use these skulls as real evidence 

(rather than demonstrative evidence) to establish that Dr. Roh did not violate the standard of 

care, where the skulls were not disclosed to the plaintiff prior to trial pursuant to Illinois 

Supreme Court Rule 213(f) (eff. Jan. 1, 2007) and the defendant did not lay a proper 

foundation for their admission; (2) allowing a defense expert to testify that a “synergy” of 

health conditions, including rheumatoid arthritis and osteopenia in the maxilla, caused or 

contributed to Yanello’s bone loss and dental implant failure where there was no competent

evidence that the claimant had either of those conditions and where the defense expert’s 

causation theory was purely speculative; and (3) allowing the defense to cross-examine Dr. 

Richard Burton, one of Yanello’s expert witnesses, with the American Association of Oral and 

Maxillofacial Surgeons’ (Association) Code of Professional Conduct in order to improperly 

suggest that Dr. Burton violated the Association’s ethical rules by testifying. In addition, 

Yanello maintains that the trial court abused its discretion by denying Yanello’s motion to 

impose sanctions against the defendants’ counsel under Illinois Supreme Court Rule 219(c) 

(eff. July 1, 2002) for repeatedly raising baseless objections during the evidence deposition of 

Dr. Robert Schneider, Yanello’s treating prosthodontist. 

¶ 2 FACTS 

¶ 3 In 2009 and 2010, Dr. Roh extracted eight teeth from Yanello’s maxilla (i.e., her upper 

jaw), inserted four dental implants in her maxilla, and gave her a maxillary denture that 

snapped onto the dental implants. Dr. Roh did not see any significant bone loss in the 

defendant’s maxilla at the time. 

¶ 4 On March 16, 2011, Yanello returned to Dr. Roh, complaining that two of the implants 

were loose and painful. Upon examination, Dr. Roh determined that three of the implants he 

placed had failed. He also noted significant bone loss everywhere in Yanello’s maxilla. He 

testified that the bone loss in Yanello’s maxilla was a “significant finding” that could increase 

the risk that future dental implants could fail. 

¶ 5 When Yanello returned to Dr. Roh on April 20, 2011, Dr. Roh removed the failed implants 

he had previously inserted and placed four new implants. At that time, Dr. Roh observed that 

there was barely enough depth in the bone to place dental implants in Yanello’s maxilla.

¶ 6 On June 16, 2011, Yanello returned to Dr. Roh, complaining of pain shooting up the side of 

her nose. Dr. Roh told Yanello that everything “seemed okay” with her implants at that time. 

Yanello continued to experience pain thereafter. 

¶ 7 Two weeks later, Yanello went to the University of Iowa, where dental specialists had 

designed and placed implants in her lower jaw in 2005. She first saw Dr. Robert Schneider, a 

dental specialist and board certified prosthodontist. Schneider testified that Yanello had 

“chronic pain” and pain in her midline up her nose and lip. He referred Yanello to Dr. Richard 
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Burton, a board certified oral surgeon and the vice chairman of oral surgery at the University of 

Iowa, for treatment of what Dr. Schneider characterized as “failed implants.” Dr. Schneider 

testified that this treatment was “complex” because there were multiple implant failures, the 

angulation of the implants that were in place was poor, and Yanello had “lost a lot of alveolar 

bone.” 

¶ 8 Yanello saw Dr. Burton on August 29, 2011. Dr. Burton recommended that the implants 

placed by Dr. Roh be removed. On November 18, 2011, resident Dr. Brian Ludwig, acting 

under Dr. Burton’s supervision, surgically removed all of the implants placed by Dr. Roh. 

¶ 9 Thereafter, Yanello continued to experience pain in her maxilla. Those treating her at the 

University of Iowa determined that the pain was the result of permanent damage to the 

nasopalatine nerve caused by one of the implants that had been improperly placed by Dr. Roh. 

In addition, the maxillary denture that Dr. Roh had fabricated for Yanello left her with 

functional deficits. 

¶ 10 At trial, Yanello relied on the expert testimony of Drs. Ludwig, Schneider, and Burton and 

of her family doctor, Dr. Bhavesh Gandhi. Dr. Ludwig and Dr. Schneider each testified that Dr. 

Roh violated the standard of care in his placement of Yanello’s dental implants. Specifically, 

Dr. Ludwig and Dr. Schneider each testified that the implants were improperly angled, which 

resulted in bone loss and implant failure. They further testified that one of the implants placed 

by Dr. Roh had impinged on Yanello’s nasopalatine nerve and another had perforated 

Yanello’s maxillary sinus. 

¶ 11 Dr. Burton testified that he is a professor and vice chairman of oral and maxillofacial 

surgery at the University of Iowa Hospitals and Clinics and senior director of the American 

Board of Oral and Maxillofacial Surgery. He is licensed to practice dentistry in Illinois and is 

board certified in oral and maxillofacial surgery. He placed implants in Yanello’s mandible in 

2005. Dr. Burton testified that, after examining Yanello in August of 2011, he concluded that 

she had multiple failing maxillary implants that needed to be removed. He stated that the 

midline implant (located at a location below Yanello’s nose) was placed within the contents of 

the incisive canal and was compressing the incisive or nasopalatine nerve, which provides 

sensation to the upper and lower jaw and teeth. Dr. Burton opined that Dr. Roh violated the 

standard of care when he (1) placed the midline implant into the incisive canal and (2) placed 

implants that were not properly angled and positioned. According to Dr. Burton, the 

improperly placed implants led to the bone loss in Yanello’s maxilla. Dr. Burton opined that, 

as a result of Dr. Roh’s negligence, Yanello has no remaining alveolar bone, has neurogenic 

pain, and is unable to function properly with her current denture. Dr. Burton also opined that 

Dr. Roh was not qualified to do the complex procedures that he performed on Yanello. 

¶ 12 During cross-examination, defense counsel confronted Dr. Burton with the American 

Association of Oral and Maxillofacial Surgeons’ Code of Professional Conduct (Association’s 

Code) in an attempt to suggest that Dr. Burton was acting unethically by testifying against Dr. 

Roh. Yanello’s counsel objected that the defendants had not produced the Association’s Code 

prior to trial as required by Illinois Supreme Court Rule 213 (eff. Jan. 1, 2007) and Rule 214 

(eff. July 1, 2014). He also objected to the foundation and relevance of the document. The trial 

court overruled these objections and allowed defense counsel to cross-examine Dr. Burton 

with Part G of the Association’s Code, which is titled “Fairness in dealing with colleagues.” 

Defense counsel read subpart G.1.08 to the jury, which provided: “Oral and maxillofacial 

surgeons who wish to serve as expert witnesses must not do so in cases for which they also 
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served as one of the patient’s treating doctors.” Dr. Burton agreed that he was one of Yanello’s

treating doctors. He attempted to state that the Code provision at issue did not apply because he 

was “not testifying against an oral and maxillofacial surgeon,” but defense counsel cut off his 

answer. Dr. Burton agreed that subpart G.1.02 of the Association’s Code provides that, when a 

patient seeks a second opinion on her own for a problem or condition not yet treated, “before 

initiating treatment, the oral and maxillofacial surgeon should inform any health care 

practitioner who previously rendered an opinion on the same condition or problem provided 

the patient does not object to doing so.” Dr. Burton admitted that he never reached out to Dr. 

Roh regarding his treatment of Yanello. On redirect, Dr. Burton testified that the Code 

provision did not apply because Dr. Roh was not a “colleague” of his in the Association.

¶ 13 Dr. Gandhi, Yanello’s geriatric specialist and family doctor, also testified on Yanello’s 

behalf. Dr. Gandhi stated that he was board certified in family medicine and geriatrics. He 

focused his practice on treating osteoarthritis and osteoporosis and on reconciling medications 

taken by geriatric patients. Dr. Gandhi testified that he treated Yanello’s dental pain by 

prescribing narcotic pain medication. He opined that Yanello did not have osteoporosis or 

rheumatoid arthritis and that she had never had rheumatoid arthritis since he began treating her 

in 2009. Dr. Gandhi testified that Yanello had osteopenia1

 in her forearm and lumbar spine. 

However, Dr. Gandhi stated that he has never seen or heard of osteopenia in the maxilla. 

¶ 14 Dr. Nicholas Panomitros was the defendants’ testifying expert at trial. Dr. Panomitros 

testified that he was a lawyer, a professor at Loyola Law School, and a general dentist who was 

qualified to do general check-ups, fillings, root canals, crowns, orthodontics, extractions, and 

implants. He had taught classes in oral anatomy, oral pathology, oral medicine, head and neck 

anatomy, radiology, and ethics. Dr. Panomitros opined that the implants placed by Dr. Roh 

complied with the standard of care because they were “placed in bone and *** will provide 

function.” He also opined that improper angulation did not cause the implant failures because 

all implants, like natural teeth, are angulate. According to Dr. Panomitros, the angulation of 

natural teeth is dictated by the “availability of bone.” Similarly, he opined that anterior dental 

implants (those placed below the nose) must be angled to follow the naturally angled dentition 

due to the “very, very, very thin” amount of bone available in the anterior maxilla. He opined 

that implants are appropriately placed if they are “integrated” with the natural teeth and you 

can “fit them with an abutment angled right for whatever purpose you are using them for.” He 

further opined that the implants placed by Dr. Roh were appropriately angled because they 

were “placed in the bone.” 

¶ 15 While defense counsel displayed Yanello’s cephalometric (side profile) X-ray, Dr. 

Panomitros opined that the implants placed by Dr. Roh “could not have been placed in a more 

perpendicular position.” Defense counsel then asked Dr. Panomitros if he had brought 

something “with respect to the angulation of the teeth.” At that point, Dr. Panomitros displayed 

an actual human skull and a model skull. He testified that he would use the skulls to establish 

the thin amount of bone in the anterior maxilla. 

¶ 16 Yanello’s counsel objected to the skulls on the grounds that (1) the defense had provided 

no foundation that the skulls were a true and accurate representation of Yanello’s anatomy, (2) 

the skulls were not disclosed prior to trial under Illinois Supreme Court Rule 213, (3) the skulls 

 

1

“Osteopenia” is bone density that is lower than normal peak density but not low enough to be 

classified as osteoporosis. 
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were irrelevant and misleading to the jury, and (4) the use of the skulls was more prejudicial 

than probative. During a sidebar, defense counsel initially responded that Dr. Panomitros 

would show that the angulation of the skull that he had presented to the jury was “nearly 

identical” to the angulation of Yanello’s teeth. He also stated that the purpose of the skulls was 

to show what the angulation of normal teeth is from a side profile, such as a cephalometric 

X-ray. 

¶ 17 The trial court overruled Yanello’s objections and allowed the defense to use the skulls as 

demonstrative evidence. However, the trial court barred the defense from suggesting that the 

skull represented or resembled Yanello’s teeth. The court ruled that, if a defense witness 

wanted to suggest that the skull is “like Miss Yanello,” the witness would have to lay an 

additional foundation for that testimony. After acknowledging Yanello’s standing objection to 

the skulls, the trial court told the defense counsel that he could “go as far as to say this is a 

human skull, it shows the angulation of teeth in the human skull.” 

¶ 18 Thereafter, Dr. Panomitros testified that the skull he brought to trial is “what the majority 

of people’s skulls look like.” Over Yanello’s objection, he invited the jurors to palpate their 

own interior maxilla to prove that the layer of bone in that area was “paper thin.” The defense 

then projected an April 20, 2011, X-ray of Yanello to the jury and Dr. Panomitros used the 

skulls to demonstrate how an X-ray taken from a certain angle could hypothetically make an 

implant “look like it is in the incisive canal when actually it’s not.” He also used the skulls to 

demonstrate that natural teeth are very close to the incisive foramen and may actually impinge 

on the nasopalatine canal. The defense then displayed Yanello’s June 30, 2011, X-ray to the 

jury, and Dr. Panomitros opined that the X-ray did not demonstrate that any of the implants 

placed by Dr. Roh had perforated the maxillary sinus. He used one of the skulls to demonstrate 

how an X-ray could appear to show something perforating the sinus cavity when in fact it was 

not. He used this demonstration to explain his opinion that “an X-ray is not conclusive” as to 

whether such perforation had actually occurred. 

¶ 19 Dr. Panomitros opined that the failure of the implants placed by Dr. Roh could have been 

caused by a “synergy” of health conditions, including rheumatoid arthritis and osteopenia in 

the maxilla. Yanello’s counsel objected to the foundation and relevance of this opinion 

testimony. Dr. Panomitros claimed that, as a dental practitioner, he had knowledge of 

osteopenia because he took medical and dental histories from his patients. Dr. Panomitros 

stated that his training in osteopenia was based on his study of microanatomy, biochemistry, 

and “history of whatever it is that you need to know.” The trial court overruled Yanello’s 

objections. 

¶ 20 Dr. Panomitros then testified that rheumatoid arthritis is a condition where the body is 

attacking the synovium of the bone and so the body is basically attacking itself. After another 

objection from Yanello’s counsel, the trial court concluded that Dr. Panomitros was not 

qualified to diagnose rheumatoid arthritis.2

 However, the court allowed Dr. Panomitros to 

testify about Yanello having rheumatoid arthritis based upon (1) Dr. Panomitros’s review of 

Yanello’s records from the Christie Clinic, which contained at least one reference to 

rheumatoid arthritis in an “assessment” of the claimant, and (2) Yanello’s alleged statement to 

Dr. Roh that she had rheumatoid arthritis. 

 

2During cross-examination, Dr. Panomitros admitted that he is not qualified to treat or diagnose 

rheumatoid arthritis. 
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¶ 21 Yanello’s counsel objected that the Christie Clinic records were not disclosed before trial 

pursuant to Supreme Court Rule 213.3 Yanello also objected to the admission of the alleged 

statement that Yanello made to Dr. Roh about rheumatoid arthritis on the ground that it was 

more prejudicial than probative. The trial court overruled Yanello’s objections. It allowed Dr. 

Panomitros to testify about the Christie Clinic records and Yanello’s alleged statement to Dr. 

Roh to identify the basis for his opinion that Yanello had rheumatoid arthritis. However, the 

trial court barred Dr. Panomitros from offering the Christie Clinic records as substantive 

evidence that Yanello had rheumatoid arthritis. The trial court gave the jury a limiting 

instruction, stating that the Christie Clinic records were not in evidence. 

¶ 22 During closing argument, defense counsel argued that the angulation and placement of the 

implants by Dr. Roh was proper. Counsel told the jurors, “all you have to do is put your finger 

in your mouth and feel the angulation of the jaw,” and he suggested that the skull Dr. 

Panomitros used “shows the curvature of the jaw.” Immediately thereafter, counsel stated “[o]f 

course you have to put the implant where the bone is there.” 

¶ 23 Defense counsel also argued during closing that Yanello’s doctors at the University of 

Iowa had a motive to put the blame on Dr. Roh because Dr. Ludwig’s and Dr. Burton’s surgery 

on Yanello was a proximate cause of her current injuries. He told the jurors that they were to 

judge the credibility of every witness. Counsel then argued that Dr. Burton “was not even 

supposed to be here testifying” according to the Association’s Code and that “he knew it when 

I presented him that document. *** He didn’t have enough room to backpedal out of this room, 

but if he did, he would have, because he knew he wasn’t supposed to be there, when he knew it 

was against the rules.” 

¶ 24 The issues instruction read to the jury noted that Yanello alleged that Dr. Roh was 

negligent in one or more of the following respects: (1) he provided extensive treatment, 

including the placement of multiple dental implants, without making and documenting a 

proper diagnostic plan, diagnostic impressions, or a surgical guide for the placement of 

implants; (2) he improperly placed dental implants into Yanello’s incisive canal and 

nasopalatine nerve; (3) he improperly placed and improperly aligned dental implants in 

Yanello’s maxilla; and (4) he placed dental implants in a fashion that precluded the successful 

use of a denture. 

¶ 25 The jury returned a verdict for the defense on all counts. The jury also answered two 

special interrogatories as follows: (1) “Q: Were Dr. Roh and Park Family Dental guilty of 

negligence that was a proximate cause of Nancy Yanello’s damages? A: No”; (2) “Q: Was 

Nancy Yanello guilty of negligence that proximately contributed to cause her alleged injuries 

by failing to follow reasonable dental advice? A: Yes.”

¶ 26 This appeal followed. 

¶ 27 ANALYSIS 

¶ 28 On appeal, Yanello argues that the trial court abused its discretion by allowing the defense 

to show the jury an actual human skull and a model skull and to use the skulls to establish that 

 

3Defense counsel responded that the Christie Clinic records were included in Yanello’s October 16, 

2013, supplemental response to the defendants’ request for production and that, in their supplemental 

answers to Yanello’s interrogatories, the defendants stated that Dr. Panomitros had reviewed Yanello’s 

October 16, 2013, supplemental production responses and relied upon them as a basis for his opinions. 
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Dr. Roh did not violate the standard of care. Although the trial court allowed the defense to use 

the skulls as “demonstrative evidence,” Yanello maintains that the defense improperly used the 

skulls as real evidence to undermine the plaintiff’s evidence and to support Dr. Panomitros’ 

opinions that Dr. Roh’s placement of dental implants in Yanello’s maxilla was proper and did 

not injure Yanello. Yanello contends that the defense failed to lay a proper foundation for the 

skulls and that their use at trial was both misleading to the jury and highly prejudicial. Further, 

Yanello contends that the defendants should have been barred from using the skulls at trial 

because they failed to disclose the skulls prior to trial, as required by Illinois Supreme Court 

Rule 213. 

¶ 29 Physical objects that are admitted into evidence or used at trial fall into one of two 

categories: real evidence or demonstrative evidence. Sharbono v. Hilborn, 2014 IL App (3d) 

120597, ¶ 30; see Ill. R. Evid. 401 (eff. Jan. 1, 2011). A physical object that has a direct part in 

the incident at issue such that it has probative value in and of itself is considered to be real 

evidence. Sharbono, 2014 IL App (3d) 120597, ¶ 30; Michael H. Graham, Graham’s 

Handbook of Illinois Evidence § 401.2, at 159 (10th ed. 2010). “On the other hand, a physical 

object that does not have a direct part in the incident at issue and is only being used to help 

explain or illustrate to the trier of fact the verbal testimony of a witness or other evidence is 

considered to be demonstrative evidence. Sharbono, 2014 IL App (3d) 120597, ¶ 30. 

Demonstrative evidence has “no probative value in and of itself and is merely admitted or used 

as a visual aid to the trier of fact.” Id.; Cisarik v. Palos Community Hospital, 144 Ill. 2d 339, 

341-42 (1991). 

¶ 30 “The great value of demonstrative evidence lies in the human factor of understanding 

better what is seen than what is heard.” (Internal quotation marks omitted.) Sharbono, 2014 IL 

App (3d) 120597, ¶ 30. “The use of demonstrative evidence, therefore, is looked upon 

favorably by the courts because it allows the trier of fact to have the best possible 

understanding of the matters before it. Id. “However, the same human factor that makes 

demonstrative evidence valuable—that people learn and understand better what they see, 

rather than what they hear—also makes it possible for parties to abuse the use of demonstrative 

evidence by giving a dramatic effect or undue or misleading emphasis to some issue, at the 

expense of others.” Id. Thus, in ruling upon the admissibility of demonstrative evidence, the 

trial court “must be ever watchful to prevent or eliminate that abuse.” Id.

¶ 31 The primary considerations in determining whether demonstrative evidence is admissible 

or may be used at trial are relevancy and fairness. See Ill. Rs. Evid. 401, 402, 403 (eff. Jan. 1, 

2011); Sharbono, 2014 IL App (3d) 120597, ¶ 31. As for relevancy, for demonstrative 

evidence to be admissible, “it must actually be used to illustrate or explain the verbal testimony 

of a witness as to a matter that is relevant in the case in question.” Sharbono, 2014 IL App (3d) 

120597, ¶ 31; Graham, supra, § 401.3, at 160. With regard to fairness, even if the relevancy 

test has been satisfied, demonstrative evidence may still be excluded by the trial court if “its 

probative value is substantially outweighed by the danger of unfair prejudice, confusion of the 

issues, or misleading the jury, or by considerations of undue delay, waste of time, or needless 

presentation of cumulative evidence.” Ill. R. Evid. 403 (eff. Jan. 1, 2011); Sharbono, 2014 IL 

App (3d) 120597, ¶ 31. Moreover, demonstrative evidence may not be used substantively to 

show the basis of a medical expert’s opinion or to support his conclusions. Sharbono, 2014 IL 

App (3d) 120597, ¶ 33. 
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¶ 32 In addition to the above, before demonstrative evidence may be presented or admitted at 

trial, a proper foundation for the use of the evidence must be established. People ex rel. 

Sherman v. Cryns, 203 Ill. 2d 264, 283-84 (2003); Cisarik, 144 Ill. 2d at 342; Sharbono, 2014 

IL App (3d) 120597, ¶ 32. To lay a proper foundation for demonstrative evidence, “a person 

with knowledge of the object” must testify that the object is “an accurate portrayal of what it 

purports to show.” Preston v. Simmons, 321 Ill. App. 3d 789, 802 (2001); see also Sharbono, 

2014 IL App (3d) 120597, ¶ 32. For example, if a party seeks to admit a model of a human 

skeleton as demonstrative evidence to illustrate or explain testimony about human anatomy, a 

person with knowledge of the model skeleton must testify as to the accuracy of the model’s 

depiction of the anatomical fact or feature at issue. Preston, 321 Ill. App. 3d at 802. 

¶ 33 A trial court’s ruling on the admissibility of evidence, including demonstrative evidence, 

will not be reversed on appeal absent an abuse of discretion. In re Leona W., 228 Ill. 2d 439, 

460 (2008); Sharbono, 2014 IL App (3d) 120597, ¶ 29. The threshold for finding an abuse of 

discretion is a high one and will not be overcome unless it can be said that the trial court’s 

ruling was “arbitrary, fanciful, or unreasonable, or that no reasonable person would have taken 

the view adopted by the trial court.” Sharbono, 2014 IL App (3d) 120597, ¶ 29; see also Blum 

v. Koster, 235 Ill. 2d 21, 36 (2009); Leona W., 228 Ill. 2d at 460. If a trial court commits an 

abuse of discretion in the admission of evidence, a new trial should be ordered only if the trial 

court’s ruling appears to have caused substantial prejudice affecting the outcome of the trial. 

Sharbono, 2014 IL App (3d) 120597, ¶ 29; see also Leona W., 228 Ill. 2d at 460. 

¶ 34 In this case, Dr. Panomitros did not use the skulls merely as a visual aid to explain or to 

illustrate his testimony. For example, he did not use the skulls merely to show the jury what he 

meant when he used medical terms like “maxilla,” “mandible,” or “alveolar bone.” Rather, Dr. 

Panomitros used the skulls to undermine the plaintiff’s theory of the case and to provide 

substantive support for his own expert opinions. For example, he used the skulls to show that 

Dr. Roh had placed the implants at appropriate angles, consistent with the angulation of natural 

teeth as shown by the skulls. More specifically, he used the skulls to establish that there was a 

“very thin” level of bone available for the placement of implants in the maxilla, and he argued 

that the angle of any such implants was dictated and limited by the amount of bone in the 

maxilla. In so doing, Dr. Panomitros implicitly suggested that the anatomy depicted in the 

skulls was identical or similar to Yanello’s anatomy and used that “fact” to support his opinion 

that Dr. Roh’s placement of the implants at issue was not negligent. Defense counsel 

reinforced this impression during closing argument by arguing that Dr. Roh’s placement of the 

implants was proper because the skull Dr. Panomitros used “show[ed] the curvature of the 

jaw” and that Dr. Roh had to “put the implant where the bone is there.” 

¶ 35 Dr. Panomitros also used the skulls to undermine Yanello’s X-ray evidence. Yanello 

argued that X-rays taken in April and June of 2011 showed that the implants placed by Dr. Roh 

had perforated the maxillary sinus and entered the nasopalatine (incisive) canal, causing nerve 

impingement. Comparing the skulls to the X-rays, Dr. Panomitros used the skulls to show that 

X-rays taken at certain angles could create the false impression that the implants were in the 

sinus or nasopalatine canal when they actually were not. This undermined the credibility of the 

X-ray evidence and supported Dr. Panomitros’s opinion that the implants were properly angled 

and complied with the standard of care. 

¶ 36 In sum, Dr. Panomitros did not use the skulls merely to assist the jury in visualizing or 

understanding the meaning of certain medical terms used during his testimony. Rather, he used 
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them to provide substantive support for his own expert opinions that Dr. Roh’s placement of 

dental implants complied with the standard of care and did not injure Yanello. Accordingly, 

Dr. Panomitros used the skulls as real evidence (i.e., as objects that purportedly had probative 

value in themselves), not merely as demonstrative evidence. He should not have been allowed 

to use the skulls in this manner unless the defendants had previously (1) disclosed the skulls as 

a basis for Dr. Panomitros’s medical opinions prior to trial, pursuant to Illinois Supreme Court 

Rule 213 and (2) laid a proper foundation for Dr. Panomitros’s opinion that the skulls were 

accurate representations of Yanello’s dental anatomy. See, e.g., Sharbono, 2014 IL App (3d) 

120597, ¶ 35. 

¶ 37 The defense did neither. The defendants did not disclose the skulls as a basis for Dr. 

Panomitros’s medical opinions prior to trial. Nor did they lay a proper foundation for Dr. 

Panomitros’s use of the skulls. Before relying upon the skulls at trial, Dr. Panomitros testified 

that the human skull fairly and accurately depicted the skull of a human being and the model 

skull was a “combination of what the majority of people’s skulls look like.” That would have 

constituted an adequate foundation if the skulls were used merely as demonstrative evidence, 

i.e., if they were used merely to explain the meaning of medical terms or to illustrate the 

appearance or function of various body parts on an average person’s anatomy. See, e.g., 

Preston v. Simmons, 321 Ill. App. 3d 798, 802 (2001). However, as noted, Dr. Panomitros went 

beyond this by using the skulls as real evidence to support his opinions regarding Yanello’s 

anatomy and Dr. Roh’s compliance with the standard of care. Before using the skulls in this 

manner, Dr. Panomitros was required to lay a proper foundation establishing that the skulls 

were an accurate representation of Yanello’s anatomy or that Yanello’s bone structure and 

angle of dentition were substantially similar to the bone structure and dentition depicted in the 

skulls. Because the defense provided no such foundation and failed to disclose the skulls prior 

to trial, Dr. Panomitros’s use of the skulls as real evidence should have been barred, and the 

trial court abused its discretion by allowing it. Sharbono, 2014 IL App (3d) 120597, ¶ 35.4

 

¶ 38 We find this case to be substantially analogous to Sharbono. In that case, the plaintiff sued 

her radiologist for medical negligence alleging that he had failed to diagnose her breast cancer 

in a timely fashion. During the trial, the defendant, testifying as an expert witness, showed the 

jury images and diagrams from a learned treatise that purported to depict cancerous and benign 

lesions and compared these images to the plaintiff’s ultrasound images. The defendant 

presented the textbook images and the plaintiff’s ultrasound images side by side in a 

PowerPoint presentation, with some of the claimant’s images being labeled “benign” together 

with the textbook’s examples of benign lesions. Under these circumstances, our appellate court 

held that the defendant’s use of the textbook images went beyond demonstrative evidence and 

was used to “support, and show the basis for, defendant’s medical opinion that [the plaintiff’s] 

images were correctly interpreted as benign.” Sharbano, 2014 IL App (3d) 120597, ¶ 33. We 

found that this improper use of the textbook images was highly prejudicial to the plaintiff 

because it went to the heart of the plaintiff’s malpractice claim and because the defendant 

 

4The trial court barred the defense from suggesting that the skulls represented or resembled 

Yanello’s teeth, ruling that if a defense witness wanted to suggest that the skull is “like Miss Yanello,”

the witness would have to lay an additional foundation for that testimony. However, when Dr. 

Panomitros proceeded to use the skulls as if they were a representation of Yanello’s anatomy (in 

violation of the trial court’s order), the trial court erroneously allowed him to do so, despite Yanello’s 

standing objection to the skulls. 
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failed to establish the textbook’s reliability or to disclose it prior to trial, thereby depriving the 

plaintiff of an opportunity to conduct an effective cross-examination on these matters. 

¶ 39 Similarly, in this case, Dr. Panomitros used the skulls to “support, and show the basis for” 

his opinions that Dr. Roh had properly placed the dental implants at issue, that Dr. Roh had 

complied with the standard of care, and that the implants placed by Dr. Roh did not enter 

Yanello’s nasopalatine canal or maxillary sinus. Moreover, as in Sharbono, Dr. Panomitros’s 

use of the skulls to show the basis of his expert opinion in this case was highly prejudicial 

because it “went to the heart of the malpractice claim” (i.e., that Dr. Roh negligently placed the 

implants and injured Yanello) and because the skulls were not disclosed prior to trial as 

required by Rule 213. Sharbono, 2014 IL App (3d) 120597, ¶ 36. The use of the skulls at issue 

was therefore reversible error. 

¶ 40 The defendants argue that Dr. Panomitros’s use of the skulls was proper because (1) Dr. 

Panomitros used the skulls after he had already testified that Dr. Roh’s placement of implants 

was not negligent and that the X-rays could create a false impression of perforation into the 

sinus and nasopalatine canal and after he had disclosed these opinions prior to trial, (2) one of 

Yanello’s expert witnesses, Dr. Schneider, “invited error” on this issue by using a model of a 

maxilla and a dental implant to similar effect during his testimony, and (3) even if Dr. 

Panomitros’s use of the skulls was improper, Yanello suffered no “substantial prejudice” 

thereby because her attorney had a full opportunity to cross-examine Dr. Panomitros (during 

which he could have undermined the basis for any comparison between the skulls and 

Yanello’s anatomy) and because there was an abundance of other evidence suggesting that Dr. 

Roh did not act negligently. 

¶ 41 We disagree. Dr. Panomitros’s improper use of the skulls substantially prejudiced Yanello 

by misleading the jury to believe that the skulls accurately represented the bone density levels 

and structure of Yanello’s maxilla. Thus, the skulls improperly served as powerful visual, 

substantive evidence that might well have persuaded the jurors to accept Dr. Panomitros’s 

opinions that Dr. Roh acted within the standard of care. Moreover, the defendants’ failure to 

disclosure the skulls as a basis for Dr. Panomitros’s opinions prior to trial hobbled Yanello’s 

counsel’s ability to effectively cross-examine Dr. Panomitros on this issue, thereby 

compounding the prejudice. See Sharbono, 2014 IL App (3d) 120597, ¶ 36 (ruling that “it is a 

matter of fundamental fairness that the adverse party be given proper and timely disclosure” of 

the basis for its opponent’s expert’s opinions “so that it may have the opportunity to prepare for 

cross-examination”).

¶ 42 Further, contrary to the defendants’ argument, Yanello did not “invite error” on this issue 

through Dr. Schneider’s use of demonstrative evidence. Unlike Dr. Panomitros, Dr. Schneider 

merely used models to illustrate or explain his testimony; he did not link the models to 

Yanello’s dentition or use them to support his opinion that Dr. Roh had violated the standard of 

care. Thus, Dr. Schneider, unlike Dr. Panomitros, properly used models as demonstrative 

evidence, rather than as real evidence. In any event, Dr. Schneider used a model maxilla and a 

model dental implant; he did not use the skulls used by Dr. Panomitros. Thus, any error 

committed by Dr. Schneider in the use of demonstrative evidence could not “invite error” as to 

Dr. Panomitros’s use of the skulls, which were different objects. 

¶ 43 Having determined that reversal of the trial court’s judgment and remand for a new trial is 

warranted, we need only address the remaining issues raised by Yanello to the extent necessary 
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to prevent any possible errors from re-occurring on retrial. See Sharbono, 2014 IL App (3d) 

120597, ¶ 38. We will address each of these issues briefly in turn. 

¶ 44 First, we agree with Yanello that the trial court erred when it permitted Dr. Panomitros to 

testify that rheumatoid arthritis and osteopenia caused or contributed to the bone loss in 

Yanello’s maxilla and to the resulting failure of Yanello’s dental implants. Expert opinion 

testimony is admissible if the expert is qualified by knowledge, skill, experience, training, or 

education in a field with “at least a modicum of reliability” and the testimony would assist the 

jury in understanding the evidence. (Internal quotation marks omitted.) Petraski v. Thedos, 382 

Ill. App. 3d 22, 28 (2008) (quoting Turner v. Williams, 326 Ill. App. 3d 541, 552 (2001)). 

However, an expert’s opinion is only as valid as the reasons for the opinion, and a party must 

lay a foundation sufficient to establish the reliability of the bases for the expert’s opinion. Id.; 

Turner, 326 Ill. App. 3d at 552-53; see also Gross v. Workers’ Compensation Comm’n, 2011 

IL App (4th) 100615WC, ¶ 24 (ruling that “[e]xpert opinions must be supported by facts and 

are only as valid as the facts underlying them”). “If the basis of an expert’s opinion is grounded 

in guess or surmise, it is too speculative to be reliable.” Gross, 2011 IL App (4th) 100615WC, 

¶ 24; Modelski v. Navistar International Transportation Corp., 302 Ill. App. 3d 879, 885 

(1999). An expert should not be allowed to opine regarding the cause of an injury based on 

nonexistent facts. Baird v. Adeli, 214 Ill. App. 3d 47, 65 (1991); see also Coffey v. Brodsky, 

165 Ill. App. 3d 14, 24-25 (1987) (holding that the trial court should have stricken the expert 

testimony of a physician because it was speculative and unsupported by the evidence). 

Moreover, “[evidence of a preexisting [medical] condition should be excluded where there is 

no evidence of a causal connection between the preexisting condition and the current injury.” 

Wojcik v. City of Chicago, 299 Ill. App. 3d 964, 976 (1998); see also Voykin v. Estate of 

Gordon DeBoer, 192 Ill. 2d 49, 59 (2000); Johnson v. Bailey, 2012 IL App (3d) 110016. 

¶ 45 In this case, the trial court allowed Dr. Panomitros to testify that the failure of Yanello’s 

dental implants was caused by a “synergism” of medical conditions, including rheumatoid 

arthritis and osteopenia. However, there was no evidence suggesting that Yanello had been 

diagnosed with rheumatoid arthritis at the time she was being treated by Dr. Roh. To the 

contrary, Yanello’s treating physician, Dr. Gandhi, testified that Yanello did not have 

rheumatoid arthritis and was not being treated for that condition. Although Dr. Roh testified 

that Yanello once told him that she had rheumatoid arthritis, there was no evidence that 

Yanello had ever been diagnosed with that condition or been treated for it. There were a 

handful of references to rheumatoid arthritis in the Christie Clinic records (a few references in 

Yanello’s prior medical history and one “assessment” of rheumatoid arthritis) but no definitive 

diagnosis of that condition.5 Similarly, while there was evidence that Yanello had osteopenia 

 

5Although Dr. Panomitros relied upon the Christie Clinic records as a basis for his opinion that 

Yanello had rheumatoid arthritis, those records were not admitted as substantive evidence at trial. An 

expert witness may base his opinion on medical records (and may testify as to the content of such 

records) even if the records are not admitted into evidence, so long as the records are “of a type 

reasonably relied upon by experts in the particular field in forming opinions or inferences upon the 

subject.” Piano v. Davidson, 157 Ill. App. 3d 649, 670 (1987); see also Ill. R. Evid. 703 (eff. Jan. 1, 

2011); Wilson v. Clark, 84 Ill. 2d 186, 194 (1981). However, to be admissible, an expert opinion must 

be supported by a foundation sufficient to establish the reliability of the bases for the expert’s opinion. 

Petraski, 382 Ill. App. 3d at 28. In this case, the Christie Clinic records did not provide an adequate 

foundation for Dr. Panomitros’s diagnostic and causation opinions. 
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in her forearm, Dr. Gandhi testified that there was no evidence that Yanello ever had 

osteopenia in her maxilla. Nor were there any medical records, expert opinion testimony, or 

other evidence (aside from Dr. Panomitros’s conclusory opinion) suggesting that rheumatoid 

arthritis or osteopenia could have caused bone loss in the defendant’s maxilla. Accordingly, 

Dr. Panomitros failed to present a sufficient foundation establishing the reliability of his 

opinion that Yanello’s purported rheumatoid arthritis and her osteopenia causally contributed 

to the failure of her dental implants. His opinion on these matters should therefore have been 

excluded, and the trial court abused its discretion by allowing it.6

¶ 46 The defendants argue that Yanello forfeited any objection to Dr. Panomitros’s testimony 

on this issue because, although the trial court denied Yanello’s motion in limine to exclude any 

references to her alleged rheumatoid arthritis or osteopenia, Yanello’s counsel did not object 

again at trial when Dr. Panomitros gave the testimony in question. We disagree. Before Dr. 

Panomitros’ testified, Yanello had already “fronted” the issues of Yanello’s alleged 

rheumatoid arthritis and osteopenia during her case-in-chief in an attempt to blunt the impact 

of the trial court’s prior adverse ruling. That was perfectly proper, and it did not result in a 

waiver or forfeiture of the objection on appeal. People v. Spates, 77 Ill. 2d 193 (1979). 

Moreover, it rendered any further trial objection on this issue both futile and unnecessary. In 

any event, the rule of forfeiture is a limitation on the parties not the court. Smith v. Menold 

Construction, Inc., 348 Ill. App. 3d 1051, 1056 (2004); see also In re Charles H., 409 Ill. App. 

3d 1047, 1055 (2011). Accordingly, we decline to find the issue forfeited. 

 

6We note that our holding in this case does not contradict or qualify our appellate court’s holding in 

Hemminger v. LeMay, 2014 IL App (3d) 120392. In Hemminger, our appellate court reversed the trial 

court’s granting of a directed verdict to the defendant doctor in a medical malpractice case on the issue 

of proximate causation. The plaintiff’s expert testified that the defendant’s failure to diagnose the 

plaintiff’s cervical cancer when she first complained of abdominal pain and spotting caused the 

plaintiff’s chances for survival to decrease from between 58-63% to 32%. Id. ¶ 19. Our appellate court 

held that this testimony was sufficient to create a jury question on the issue of proximate causation 

under a “lost chance of survival theory” even though the plaintiff’s expert was a general gynecologist 

who did not treat cervical cancer. Id. ¶¶ 24-31. The defendants argue that Hemminger suggests that Dr. 

Panomitros’s opinions on the causes of the claimant’s implant failure were admissible because 

Hemminger “reaffirmed the principle that the ability of an expert witness to give testimony regarding 

causation is not dependent on whether the expert is a specialist in any particular field.” However, 

Hemminger is distinguishable from the instant case in several material respects and does not support the 

defendants’ argument. First, because Hemminger involved the appeal of a directed verdict for the 

defendant, our appellate court was obliged to consider the evidence and to draw every reasonable 

inference in the light most favorable to the plaintiff. Id. ¶ 17. Second, Hemminger involved the 

standards for establishing causation under a “lost chance of survival theory,” which are not at issue in 

this case. Third, and most importantly, Hemminger did not address whether an expert witness laid a 

proper foundation establishing the reliability of his her expert opinions. The defendants in Hemminger

were precluded from challenging “the qualifications or the foundation for [the plaintiff’s expert’s] 

causation opinion” on appeal because they had not cross-appealed the trial court’s decision to allow the 

plaintiff’s expert to offer a causation opinion. Id. ¶ 30. Here, by contrast, Yanello has challenged the 

trial court’s decision to allow Dr. Panomitros to offer a causation opinion, and we hold that the trial 

court erred in allowing Dr. Panomitros’s opinion because it was not supported by a sufficient 

foundation. 
- 13 - 

¶ 47 Yanello also argues that the defense’s cross-examination of Dr. Burton with the 

Association’s Code was improper, “highly prejudicial,” and “grounds for a new trial.” The 

latitude afforded in cross-examination is within the discretion of the circuit court, “reversible 

only for a clear abuse of discretion resulting in manifest prejudice to a party.” Creighton v. 

Thompson, 266 Ill. App. 3d 61, 69 (1994); see also Stapleton v. Moore, 403 Ill. App. 3d 147, 

156 (2010) (ruling that an erroneous evidentiary ruling warrants reversal only if the error “was 

substantially prejudicial and affected the outcome of the trial”); Simmons v. Garces, 198 Ill. 2d 

541, 566-67 (2002). Here, Yanello cannot demonstrate that she suffered “manifest prejudice” 

from the cross-examination sufficient to warrant reversal. Dr. Burton was allowed to present 

his reading of the Code provisions and to explain to the jury why he did not believe the cited 

provisions applied. Accordingly, the cross-examination at issue did not thoroughly discredit 

Dr. Burton or his medical opinions in the eyes of the jury. In addition, even assuming arguendo

that the cross-examination damaged Dr. Burton’s credibility to some extent, it was unlikely to 

affect the outcome of the trial because Dr. Burton was not the only expert who opined that Dr. 

Roh had violated the applicable standard of care and caused the failure of Yanello’s implants. 

Drs. Ludwig and Schneider also testified on these subjects and presented opinions nearly 

identical to Dr. Burton’s opinions. 7 Moreover, contrary to Yanello’s suggestion, the 

defendants were not required to produce the Association’s Code prior to trial pursuant to 

Illinois Supreme Court Rules 213, 214, or 237 because they used the Code provisions during 

cross-examination for impeachment purposes only, not as substantive evidence. Ill. S. Ct. R. 

213 (eff. Jan. 1, 2007); R. 214 (eff. July 1, 2014); R. 237 (eff. July 1, 2005); Stapleton, 403 Ill. 

App. 3d at 156; Southern Illinois Airport Authority v. Smith, 267 Ill. App. 3d 201 (1994). 

¶ 48 Nevertheless, the cross-examination at issue was improper and should not have been 

allowed. Through its Code of Professional Conduct, the Association attempts to bar its 

member surgeons from offering expert opinions in cases for which they also serve as one of the 

patient’s treating doctors. Only the Illinois legislature and the Illinois courts may determine the 

admissibility and proper scope of expert testimony in medical malpractice actions. Private 

accrediting bodies of doctors like the Association may not attempt to thwart their members 

from testifying as expert witnesses against their colleagues (or against any other health care 

practitioners) by declaring such testimony to be a violation of professional ethics. Any 

qualified expert may present expert opinion testimony that a doctor or other healthcare 

practitioner violated the applicable standard of care, notwithstanding any purported 

professional “ethical rule” to the contrary. Thus, the cross-examination at issue was both 

irrelevant and in violation of public policy, and the trial court abused its discretion in allowing 

it. The trial court should bar any such cross-examination based on the Association’s Code 

during retrial. 

¶ 49 Finally, Yanello argues that the trial court abused its discretion by failing to sanction the 

defendants’ counsel under Illinois Supreme Court Rule 219(c) (eff. July 1, 2002) for 

repeatedly raising baseless objections during the evidence deposition of Dr. Schneider, 

Yanello’s treating prosthodontist. Whether to award sanctions under Rule 219(c) is a matter 

within the trial court’s discretion, and the court’s determination will not be disturbed absent an 

abuse of discretion. Adcock v. Brakegate, Ltd., 247 Ill. App. 3d 824, 841 (1993). To award 

 

7This distinguishes Yanello’s case from Poole v. University of Chicago, 186 Ill. App. 3d 554 

(1989), a case upon which Yanello relies. See Brown v. Moawad, 211 Ill. App. 3d 516, 529 (1991). 
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monetary sanctions under the rule, there must be a discovery abuse (i.e., a violation of a 

statutory discovery rule) that justifies the imposition of such sanctions. For example, in 

Golembiewski v. Hallberg Insurance Agency, Inc., 262 Ill. App. 3d 1082 (1994), the case upon 

which Yanello principally relies, defense counsel repeatedly instructed his client (the 

deponent) not to answer questions, necessitating the termination of the deposition. He then told 

defense counsel to “get the hell out of my office.” Here, defense counsel did not engage in such 

an obvious violation of a statutory discovery rule. He merely raised several objections during 

an evidence deposition that were later overruled by the trial court. Although some of those 

objections appear to have been unwarranted, it is not clear that counsel’s conduct amounted to 

a cognizable discovery violation that would justify the award of monetary sanctions under any 

discovery statute or rule. Thus, the trial court did not abuse its discretion by refusing to award 

sanctions against defense counsel. 

¶ 50 CONCLUSION 

¶ 51 The judgment of the circuit court of Will County is reversed, and the matter is remanded 

for a new trial. 

¶ 52 Reversed; cause remanded.