bluuebunny/crossref_metadata_2025_split huggingface dataset:
The effects of stress release in indices of mandibular dysfunction
Authors: Dettmar D. M. , L'Estrange P. R. 
Published: May 2009

AbstractThe present investigation examined two groups of 25 people in terms of indices of gnathic dysfunction. The experimental group was experienced in profound stress release methods. The control group, matched for age, sex, and standing teeth had no experience in these methods. Significant differences between the groups in the indices of gnathic dysfunction supported previous authors' works on the role of stress as an aetiological factor in the production of temporomandibular joint dysfunction.
Dental aspects of child abuse: review and case reports
Authors: Symons Anne L. , Rowe Paul V. , Romaniuk K. 
Published: May 2009

AbstractChild abuse is an unfortunate widespread social disorder that is only now coming to notice. The aetiology, consequences for the victim and clinical manifestations of child abuse are reviewed, and case histories of three very different forms of child abuse are presented. A case of suspected physical abuse, confirmed physical abuse which resulted in death, and a rare case of emotional and socio‐cultural deprivation are described. A large number of child abuse victims, as many as 65 per cent, suffer facial and head injuries that would readily be apparent to dentists. However, there is an apparent lack of awareness by dentists as revealed by their low rate of reporting to authorities. The features or patterns of abuse that may alert dentists to the possibility of child abuse should become general knowledge to dentists so they may help remedy this disorder.
The Brisbane Statistical Division Survey of Adult Dental Health 1984. 1. Design of survey and subject response
Authors: Powell R. N. , McEniery T. M. 
Published: May 2009

AbstractA survey of adult dental health and attitudes to dental care was undertaken in the Brisbane Statistical Division in May‐June 1984. Using examiners and recorders from the Division of Dental Services Queensland Department of Health, and from members of the Australian Dental Association Queensland Branch, 1504 clinical examinations were carried out and a further 187 subjects (1691 in all) completed the sociological questionnaire. All age groups 15 years and above were included in the subject sample.
Endodontic awareness amongst general practitioners in Victoria. A postal survey
Authors: Feiglin Barry , Harcourt John K. 
Published: May 2009

AbstractA postal survey of general practitioner dentists in Victoria revealed that approximately 30 per cent carried out only simple endodontic therapy in anterior teeth; and 52 per cent used a sterile approach in that they used rubber dam and sterile instruments. Most respondents filled the root canal using a master cone technique. It is suggested that action be taken to interest the 30 per cent of the dentist population mentioned above in carrying out endodontics in posterior teeth.
Odontomes and their behaviour: a review
Authors: Acton Caroline H. C. , Savage N. W. 
Published: May 2009

AbstractThe borderline between hamartoma and neoplasia is indistinct, as demonstrated by the compound odontome, the complex odontome, the ameloblastic fibro‐odontome, the ameloblastic fibroma and ameloblastic odontosarcoma. All can present with similar clinical findings and similar radiographic findings; thus histological examination of all specimens is recommended.
Survey of Dental Health Week in Queensland 1985 and 1986
Authors: Ryan Peter Clark , Seymour Gregory J. 
Published: May 2009

AbstractA survey of public dental patients and Queensland dentists was performed to gauge the response to the 1985 and 1986 national Dental Health Week (DHW) promotions. The theme for DHW 1985 was ‘Interdental cleaning’ and the official slogan was ‘Clean between’ The 1986 slogan was ‘A lovely smile makes it all worthwhile’. Of the public patients surveyed in 1985, 48.1 per cent knew the dates of DHW, none knew the slogan and only 5.1 per cent were familiar with the theme. Of those aware of DHW, the majority (34.1 per cent) learnt about DHW through television. The 1986 results followed a similar pattern, although the responses indicated the campaign had less impact, as only 32.8 per cent knew the dates of DHW and 4.4 per cent of the public knew the slogan. In both years approximately one‐third to one‐half of the public thought that DHW made them more aware of their oral health. Of the dentists surveyed, about half believed that DHW increased public awareness of dental health although only 1.9 per cent (1985) and 14.9 per cent (1986) thought that more patients visited them as a result. In both years the majority of dentists (>80 per cent) thought that DHW should continue but less than half thought that it should continue in its present format.
The effects of surface roughness and surface area on the retention of crowns luted with zinc phosphate cement
Authors: Darveniza M. , Basford K. E. , Meek J. , Stevens L. 
Published: May 2009

AbstractThe retention of cast gold crowns luted with zinc phosphate cement to smooth and rough surfaced extracted teeth was examined. No significant difference in retention was observed between smooth and rough surfaced teeth. A significant linear association existed between the surface area of the teeth tested and the retentive force but, statistically, area could not be used as a useful predictor for crown retention.
The dental health and treatment needs of middle‐aged and older patients attending 21 general dental practitioners in South Australia
Authors: Mount Graham , Walker Brian , Roder David 
Published: May 2009

AbstractData from routine examinations of 497 45–89 year‐old patients attending 21 South Australian general dental practitioners indicated that these patients had a mean of 18.7 teeth, 1.3 teeth with carious lesions, and 10.1 teeth with restorations and sound. Nine per cent of patients were edentulous. Of the dentate, 66 per cent had calculus, 49 per cent had gingivitis, and 32 per cent had periodontal pockets ≥4 mm. The percentage of all patients needing specific services was: (1) any service, 89 per cent; (2) a prophylaxis, 66 per cent; (3) restorative care, 61 per cent; (4) root canal therapy, 7 per cent; (5) root planing, curettage, or periodontal surgery, 18 per cent; (6) an extraction, 17 per cent; (7) denture services, 22 per cent; (8) other care, 9 per cent. A mean of 1.5 teeth per patient needed restorative care, and 0.7 teeth required extraction.
Overtreatment with removable partial dentures in shortened dental arches
Authors: Käyser A. F. , Witter D. J. , Spanauf A. J. 
Published: May 2009

AbstractIn our cultural pattern shortened dental arches are frequently seen, as molars are often seriously afflicted by caries and periodontal disease. The necessary restorative treatment is often omitted because of lack of motivation and/or financial limitations.Clinical investigations among subjects with shortened dental arches show that there is sufficient adaptive capacity to maintain adequate oral function when at least tour occlusal units are left, preferably in a symmetrical position.Treatment by providing free‐end removable partial dentures introduces unfavourable conditions for the remaining dentition. Overtreatment with these appliances is caused by traditional mechanically and morphologically oriented occlusal concepts, disregard of the adaptive capacity in biologic systems, and quantity promoting fee schedules. Problem solving approaches in occlusal therapy should be stimulated to prevent overtreatment.
Hepatitis B virus: the risk to Australian dentists and dental health care workers
Authors: Amerena Vincent , Andrew John H. 
Published: May 2009

AbstractA survey of 1088 Australian dentists and dental health care workers showed that 8.2 per cent of dentists in private practice, 16.8 per cent of hospital dentists, 2.0 per cent of chairside assistants, 4.1 per cent of dental technicians, and 6.1 per cent of dental students had serological evidence of prior hepatitis B infection manifested by the presence of hepatitis B core antibody. No carriers of hepatitis B surface antigen were detected. The 784 replies to a questionnaire showed that 11.2 per cent of dentists had one or more serological markers to hepatitis B virus (HBV), 7.6 per cent gave a history of overt hepatitis B infection, and 53 per cent had been vaccinated against HBV. Of the 196 non‐vaccinated dentists, 47 per cent did not desire to be blood tested. Continuing education of Australian dentists about the risk of infection with and the need for immunization against HBV is indicated.
Abnormal reaction to subgingivally placed dental amalgam studied by transmission electron microscopy and microprobe analysis. Case report
Authors: Ellender Graham 
Published: May 2009

AbstractAn abnormal clinical response to dental amalgam is reported. The patient presented with a generalized burning sensation having a focus of pain in a region approximating a subgingivally placed dental amalgam restoration. Replacement of the amalgam restoration with glass ionomer cement relieved the pain and burning. Gingival tissue associated with the amalgam, excised to render the new restoration supragingivally, displayed ultrastructural changes in both the epithelium and connective tissue, with mercury demonstrated in the connective tissue and the epithelium by electron microprobe analysis. The significance of the presence of mercury and absence of the other constituents of dental amalgam are discussed.
Review: bupivacaine – a long‐acting local anaesthetic
Authors: Chapman P. J. 
Published: May 2009

AbstractThere are certain situations in dentistry where the use of a long‐acting local anaesthetic is advantageous, especially surgical procedures where moderate to severe postoperative pain is anticipated. Bupivacaine is such an agent and this article aims to provide the general dental practitioner with a brief review of the pharmacology, anaesthetic qualities, and indications for the use of bupivacaine in dentistry.
Limitation of mandibular opening due to enlarged coronoid processes
Authors: Macleod Alan W. Gordon 
Published: May 2009

AbstractThe causes of limited mandibular opening are summarized. Coronoid process enlargement in five patients is discussed; two cases of bilateral coronoid hyperplasia and a unilateral coronoid‐zygomatic ankylosis case underwent successful surgery. One of these bilateral patients exhibited bone regrowth a year later.
A survey of dental radiography
Authors: Monsour P. A. J. , Kruger B. J. , Barnes A. , Macleod A. Gordon 
Published: May 2009

AbstractA survey was conducted to provide an overview of dental radiography in Australia as practised by private general dental practitioners. There was a response of 77 per cent from the 1419 dentists who were sent questionnaires. Data are presented on how the survey was conducted, response by State or Territory, education details of respondents, special interest areas of respondents and reasons for retaking radiographs. Possible sources of bias in the results are also discussed. The two most common reasons given for retaking radiographs were processing errors (33.4 per cent) and incorrect technique (27.7 per cent).
The Brisbane Statistical Division Survey of Adult Dental Health 1984. 2. Sociological aspects of the survey
Authors: Powell R. N. , McEniery T. M. 
Published: May 2009

AbstractParticipants in the BSD Survey responded to a series of questions designed to elicit information on attitudes to dental care, perceptions of the importance of optimal dental health and factors influencing access to dental care. Over half (56.5 per cent) had attended the dentist in the previous 18 months and of these 45.6 per cent had attended for preventive rather than symptomatic reasons. Expense was identified as the largest single barrier to dental care. Social background and levels of education influenced attitudes to the retention of natural teeth.
Orthopantomographic survey of edentulous patients of different age groups in Malaysia
Authors: Dias A. P. , Jiffry M. T. M. 
Published: May 2009

AbstractAn examination of 488 orthopantomograms of edentulous patients who had attended the Prosthodontic Department of the Faculty of Dentistry of the University of Malaya between the years 1974 and 1979 was undertaken. Ninety‐seven patients had positive radiological findings such as retained roots, radiopacities, radiolucencies, unerupted teeth, foreign bodies and sequestra. While confirming the findings of previous studies, this report focuses on the importance of age and foreign bodies in relation to positive findings with special reference to Asian patients.
A method for calibrating non‐screen radiographic film
Authors: Darvell B. W. 
Published: May 2009

AbstractThe ‘characteristic curve’ for film response has been shown to be inadequate. A method is proposed to calibrate non‐screen radiographic film response based upon an equation descriptive of the actual irradiation process. The advantages include the total absence of arbitrary decisions and constants, simplicity of application and ready interpretation. In addition, a Contrast Index is derived. Representative results are given.
DDAVP and EACA used for minor oral surgery in von Willebrand disease
Authors: Williamson Raymond , Eggleston Deryck J. 
Published: May 2009

AbstractA therapeutic approach to the management of mild von Willebrand disease in four patients requiring minor oral surgery is reported, using a combination of 1‐deamino‐8 d‐arginine vasopressin (DDAVP) and epsilon‐aminocaproic acid (EACA).
The position of the apical foramen of the permanent incisors
Authors: Teo C. S. , Chan N. C. , Loh H. S. 
Published: May 2009

AbstractThe position of the apical foramen in relation to the anatomical root apex is of considerable importance to the dentist, especially when the level of obturation of the root canal is determined through tooth length calculated radiologically. The main objective of this study was to determine in upper permanent incisor teeth, the position of foramen/foramina relative to the anatomical apex.In 635 permanent upper incisors, the results of this study showed 54.3 per cent with the foramen coincident with the root apex, and 45.7 per cent where the root apex and the foramen were non‐coincident. The average distance of the foramen from the root apex in the latter group was 0.35 mm and it ranged from 0.1 to 1.2 mm. The significance of these findings is discussed in relation to the apical termination of debridement and obturation of root canals.
A survey of the gingival health of Indo‐Chinese child refugees. Part II
Authors: McAllan L. H. 
Published: May 2009

AbstractThe gingival health of 230 Indo‐Chinese children aged between five and twelve years was evaluated after a period of resettlement in Australia with access to dental care facilities. Twenty‐two per cent of these children recorded one or more sites on permanent teeth where there was loss of attachment associated with gingival crevices deeper than 3.5 mm. Such sites were recorded as early as age nine. The number of affected children and the frequency of sites recorded within these children increased markedly with age. Some children aged twelve recorded more than twice the number of sites recorded for children aged nine. Forty‐seven per cent of the sites recorded in affected children aged twelve demonstrated a loss of attachment ≥12 mm. Half of the children who recorded sites with loss of attachment after being resettled in Australia for two years or more registered between three and five sites per child.
Principles of clasp retention: a review
Authors: Chrystie J. A. 
Published: May 2009

AbstractA review is provided of various theories of the ways in which clasps act to retain removable partial dentures. The claimed roles of each component of a clasp‐unit are examined. The use of undercuts, paths of withdrawal, guide planes and the relationship between retentive‐force and work needed to deform the retentive arm are reviewed. Oversimplifications related to ‘classic theories’ are highlighted and the need for reciprocation is questioned.
Periosteum: its role in the healing of dento‐alveolar surgical wounds and the effect of mental nerve section on mandibular periosteal new bone
Authors: Kingon A. M. 
Published: May 2009

AbstractThis two‐part study investigated the osteogenic potential of rat mandibular periosteum.In the first part, the importance of the periosteum as an osteogenic source in the healing of dentoalveolar surgical wounds was evaluated. A circumscribed bone defect was created in the buccal aspect of the right mandible of each animal and the overlying periosteum was excised in half of the animals. After sacrifice at a representative range of times between two and 60 days, histological examination of the surgical sites suggested that mandibular periosteum overlying a bone defect did not produce new bone and that healing was largely endosteal. It was noted that periosteum formed copious reactive bone away from the defect, the majority being on the buccal mandibular surface although some was noted also on the lingual aspect.In the second part, the effect of mental nerve neurotmesis on deposition of reactive bone was investigated. The mental nerve was sectioned in half of the animals and left intact in the other half. The flap was replaced and sutured. Subsequent histological examination indicated that mental nerve neurotmesis did not influence the deposition of mandibular reactive bone.
The Brisbane Statistical Division Survey of Adult Dental Health 1984. 3. Dental health status and treatment needs
Authors: Powell R. N. , McEniery T. M. 
Published: May 2009

AbstractDental status and treatment requirements were investigated in 1504 subjects. Mean numbers of decayed, missing and filled (DMF) teeth for the various age groups were: 15–19 years, 6.2; 20–24 years, 10.6; 25–29 years, 15.8; 30–34 years, 18.1; 35–44 years, 20.4; 45–54 years, 23.0; 55–64 years, 26.2; and 65 years and older, 28.7. Total tooth loss did not occur in the 15–19 years or 20–24 years groups. In the 25–29 years group 2.6 per cent of subjects had lost all their teeth, 4.2 per cent in the 30–34 year group and 5.0 per cent in the 35–44 year group. The figures for the older age groups rose dramatically with almost 60 per cent of the 65 year and older age group having lost all their natural teeth. Treatment requirements for all age groups were low. In the 15–19 year age group 62.4 per cent of subjects had no treatment requirements. In other age groups the proportion was lower, ranging from 43.2 to 55.9 per cent. The periodontal condition of subjects was relatively good with only 3.3 per cent requiring complex treatment for severe forms of periodontal disease. A high proportion (over 50 per cent in all but the 15–19 year age group) required scaling and improved personal oral hygiene.
Pulpal integrity of anterior teeth treated with composite resins. A long‐term clinical evaluation
Authors: Gerke Dale C. 
Published: May 2009

AbstractA clinical study was undertaken to review the pulpal status of anterior teeth restored with composite resins over a period of up to six years. No clinically detectable pulp necrosis was observed irrespective of type of resin, cavity depth or duration of restoration placement.The study indicated that calcium hydroxide linings are unnecessary except in very deep cavities.
A 3‐dimensional digitizer using spherical co‐ordinates
Authors: Thomas David 
Published: May 2009

AbstractThis article describes an instrument which can, when supported by a small computer, make three‐dimensional measurements. Measurements can be made on the surface of any object able to fit within a 150 mm side cube. This instrument was intended for use with dental casts but could be applied to any type of object. Various possible techniques for three‐dimensional measurement are discussed and reasons given for the choice of a system based on spherical co‐ordinates.
The use of ultrasound for the removal of the smear layer. The effect of sodium hypochlorite concentration; SEM study
Authors: Cameron Jeffrey A. 
Published: May 2009

AbstractThis study was carried out to determine the optimum concentration of sodium hypochlorite activated by ultrasound needed to remove the smear layer from an instrumented root canal wall. The results indicated that under the conditions of this experiment a 4 per cent solution of sodium hypochlorite removed all of the smear layer from all 5 specimens; a 2 per cent solution was almost as effective; 1 per cent or 1/2 per cent solutions were less effective, and water was the least effective. A 2 per cent solution of sodium hypochlorite activated by ultrasound would appear to be the optimum concentration for the production of a smear free root canal wall under clinical conditions.
A study to investigate the visual quality of dental undergraduates using a simple screening programme
Authors: Rawlinson A. 
Published: May 2009

AbstractDental undergraduates were screened for visual defects by orthoptists at a general hospital associated with their dental school. Defects in visual acuity, squints, limitations of convergence and defective stereopsis were found. Four were deemed to require the services of an optician to improve their visual acuity.Treatment is available for other students with squints, limitations of convergence and defective stereopsis, should this become necessary.The value of visual screening for dental undergraduates is discussed.
Bilateral double dens invaginatus of maxillary incisors in a young Chinese girl
Authors: Lee Albert M. P. , Bedi Raman , O'Donnell David 
Published: May 2009

AbstractA case of bilateral double dens invaginatus occurring in the permanent maxillary lateral incisors of a 9‐year‐old Chinese girl is described. The abnormal crown morphology of the teeth involved does not readily fall into any categories of Oehlers' classification of crown forms associated with dens invaginatus.
Blood blisters on the soft palate in Angina bullosa haemorrhagica Case reports
Authors: Daly C. G. 
Published: May 2009

AbstractReports are presented on four patients who experienced blood blisters on their soft palates due to suspected Angina bullosa haemorrhagica. The appearances of the blood blisters and the ulcerated areas caused by their collapse are described. Means of differentiating blood blisters in the mouth caused by other disorders are discussed.
Uneasy lies the head that wears the crown*? The recent history of radioactive fluorescers in dental porcelain
Authors: Mack Peter J. 
Published: May 2009

AbstractBecause of their undoubted aesthetic advantages, artificial porcelains are increasingly employed in clinical restorative dental procedures. Both to enhance and to maintain perfection of colour‐matching under diverse lighting conditions, fluorescers of various types are added to the base porcelain powder from which the replacement teeth are to be constructed. Many of these added fluorescers have been shown to be radioactive: this review is concerned with their history.
Erosion: guidelines for the general practitioner
Authors: Bevenius Joan , L'Estrange Peter , Angmar‐Månsson Birgit 
Published: May 2009

AbstractTooth surface loss by erosion presents a challenge to the general practitioner in terms of identification of patients at risk, differential diagnosis from attrition and abrasion, evaluation of aetiological and modifying factors in Individual patients and in the clinical management of a progressively destructive pathological process. The guidelines presented in this paper, based on current research findings, were developed in the Department of Cariology, Karolinska Institute, Stockholm, to provide dentists with routines suitable for use in general practice.