Soganci, Yalug, Kocacikli justed according to the symmetrical eye and the to orbital prosthesis with an active mechanism. wax pattern of the orbital prosthesis was then Initially, a hole was opened on the closed hollow fabricated. After try in stage, the wax model was bulb to locate the magnet. Magnets were rough- invested into the mold, and the orbital prosthesis ened with a diamond bur to enhance the retention was fabricated from silicone (Cosmesil, Principal- of acrylic resin. Autopolymerizing acrylic resin ity Medical Limited, Newport-South Wales, UK) (Kemdent, Associated Dental Products Ltd, Wilt- using conventional techniques.17 shire, UK) was prepared and placed the hole to- Cobalt samarium magnets, illustrated in Fig- gether with the magnet. Excess amount of acrylic ure 3, (Manyet, Manyetik Tutucular Ltd, Istan- resin was removed and bulb was polished after bul, Turkey) were used to combine the obturator polymerization was completed. Subsequently, a Figure 1. A. Intra-oral view before treatment. B. Extra-oral view of the orbital defect. Figure 2. Acrylic resin core with ocular part adjusted according to the symmetrical eye. October 2011 - Vol.5 Figure 3. Cobalt samarium magnet used to combine the prostheses. 461 European Journal of Dentistry