Abstract
According to the desire of single-step skull bone resection and reconstruction the acquired CT data were not only used for the design of the individual implant but also for a robot-guided bone resection in an animal cadaver model. The results of three robot skull bone resections during 4 years showed a perspicuously improved precision combined with a dramatically reduced set-up time. As the evaluation of 166 patients with titanium skull implants showed thermal and psychic stress factors, a biodegradable composite material from polyesters, calcium phosphate and calcium carbonate for guided bone regeneration was developed. Skull implants made of this new bone substitution material showed promising results in animal experiments over a follow-up period from 2 to 11 months so far.
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