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Chapter 364Early developmentsFossa prosthesesNearly one century after Carnochan inserted a block of wood between the skull and mandible as a treatment for ankyloses in 1840(7), several surgeons such as Risdon, Eggers and Goodsell started using interpositional materials such as tantalum (TA) foil as a treatment for TMD. Smith and Robinson first introduced the use of stainless steel in 1950, to replace the fossa and during the 1960’s cobalt-chromium (CoCr) alloys such as Vitallium made their way to the TMJ thanks to Christensen and Morgan.(6,12,21,22) Besides metals, also polymer materials, such as silicone and polytetrafluoroethylene (PTFE) were used as disc replacement materials. Two of these polymer fossa prosthesis worth mentioning are the Vitek Proplast-Teflon disc prosthesis and the Silastic disc prosthesis. The inner part of the Vitek disc implant contained a high denstity PTFE (Teflon), while fifffflffiffiflflflfl fl fl flflffiffiflflfiflflffl fl flfifflffffi flfl fl fl fl fl fl flflfififfiflflflfl flflfl
ffififffflffiflflffi fl flflfl flflfifflfflffiffi fiffifffflffflflflffifl fl fl flflfl flflflffiflflflfl flflflfiFig. 1: PRISMA-flow chartNikolas de Meurechy NW.indd 64 05-06-2024 10:14
