Orbital prosthesis and obturator retention6 as in completely edentulous patients. to a mixed tumor of parotid gland in the hospital Oral rehabilitation after hemimaxillectomy pres- of Gazi University in 2001. Then radiotherapy was ents diverse clinical and technical problems.9 applied. 2 years after the removal of the left max- A closed, hollow obturator is frequently used illa, he had a second operation from his left or- to restore anatomic form after radical surgery for bital region because of metastasis. After healing maxillary cancer.10 Patients who have hollow ob- period, he scheduled to Gazi University Faculty of turators may complain of food, fluid, and mucous Dentistry in order to make his obturator and or- accumulations that result in bad odors and altered bital prosthesis (Figure 1a, b). During the prosth- taste sensation.11 The closed hollow obturator odontic visit remaining structures and the surgi- prosthesis can prevent fluid and food collection, cal defect was examined. The clinical findings reduce air space, and allow for maximum exten- indicated that the patient had a canine and lateral sion.12 Using a technique for quick conversion of teeth with combined crowns in the maxilla. Resec- an obturator into a hollow bulb gives advantages. tion site included the half of the maxilla which was Therefore, the prosthesis is simple to construct, classified as Aramany class I. Surgical procedure lightweight, and easy to clean; it has no direct resulted with an opening between oral, nasal and junction between the oral, nasal, or antral envi- orbital cavities. Lateral incisor had to be extracted ronments and the interior of the obturator.11 because of luxation. After healing period, porce- Maxillofacial prosthetics is a recognized sub- lain crown of the canine was renewed. Due to the specialty of prosthodontics.13 Fabrication of the lack of sufficient structures and undercuts for re- facial prostheses depends on experience of the tention of orbital prosthesis, as well as obturator, prosthodontist. A key factor of a successful fa- it was planned to combine both of the prostheses. cial prosthesis is the extent and location of the Implant was recommended to the patient, howev- defect,14 the retention of the prosthesis to the er he did not accept the implant treatment. In this patients skin, and retention of a facial prosthesis case combination of the orbital prosthesis and ob- with no mechanical means depends primarily on turator accomplished with an alternative method. medical skin adhesives,15 adhesive tapes and un- It was aimed to reduce dislodgement of the orbital dercuts.16 The use of magnets is the most efficient prosthesis combined with obturator by means of means of providing combined prostheses with re- an active part during mastication. tention and stability in patients with deformities Primarily, a conventional hollowed obturator requiring complex rehabilitations. The majority of partial denture prosthesis was fabricated in the prostheses with magnets are sectioned and have a usual manner.16 Existing hollow obturator was magnet in each section.2 Bone anchored implants converted into a hollow bulb by a simple and quick are also used to retain extraoral prostheses.17 Fa- technique11 using an autopolymerizing acrylic cial implants have advantage of being able to at- resin (Kemdent, Associated Dental Products Ltd, tach the prosthesis firmly to the patients face.16 Wiltshire, UK). Necessary corrections were made However an important factor that must be taken after the prosthesis has been worn for a few days. into account when considering implant retention After finishing the obturator, an impression for facial prostheses is the economical situation of of the orbital defect was made with irreversible the patient to afford implants. hydrocolloid impression material (Tulip, Cavex, It is essential to incorporate both the orbital Haarlem, Holland). Type 3 hard dental stone (Lab- prosthesis and obturator properly. This article de- stone, Heraeus Kulzer, Armonk, NY) was poured scribes a procedure in a case for diminishing the into the impression to get the definitive cast for movements of orbital prosthesis that can occur sculpting. An acrylic resin (Akribel, Atlas-Enta due to mimic and chewing functions. AS., Izmir, Turkey) core was fabricated on the cast for attaching the ocular part of the orbital pros- cAsE rEPort thesis. This acrylic core was acted as a base both A 46 year-old male patient had a complaint of for attaching the ocular part and for constructing his facial esthetic and loss of masticatory func- a simple mechanism that resembles a suspension tion and speech. Depends on information ob- system between obturator and orbital prosthesis. tained from the patient, he had an operation due As it is seen in Figure 2, the ocular part was ad- 460 European Journal of Dentistry