A histologic evaluation of eight cases of failed dental implants: is bone overheating the most probable cause?

Biomaterials
Adriano PiattelliA Scarano

Abstract

Biomechanical overloading has been stated to be, overall, the major cause of implant failures. Very important can be, however, in the etiopathogenesis of early implant failure, the overheating of the surgical site. The authors present eight cases of implant loss most probably due to bone overheating, even if other causes cannot be excluded. The microscopical picture, in all cases, was composed by the same features: (1) presence of bone sequestra; (2) no regeneration of the peri-implant bone; (3) presence of an inflammatory infiltrate in the gap between bone and implant; (4) no organization of the peri-implant bone clot; (5) presence of a compact and mature bone around the implant; (6) presence of bacteria around the implant and the necrotic bone.

Citations

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