[Substitution of the frontal bone with silicon]

The good results obtained with silicon implants used in the frontal region are reported by the authors. After the correct primary treatment the reconstructive operations have been performed at the least 6 months after the lesion, if the environment of the defect was free from any reaction during this time. 14 implantations have been performed in 2 years. Satisfactory functional and cosmetic results were obtained and the implant was to be removed in no case.