The subperiosteal implant is one of dentistry's oldest implant forms, used since the 1940s. After a long period of disuse caused by high complication rates — tied to the manufacturing and imaging technologies of the era — it has experienced significant clinical renewal since 2015 thanks to two major advances: 3D CBCT and CAD-CAM Grade 5 titanium fabrication.
Principle: Rather than drilling into bone that is no longer sufficient, the subperiosteal framework exactly conforms to the residual bone surface. It is held in place by mini-anchor screws in available cortical ridges, and posts emerge through the gum to support the prosthesis. The absence of deep drilling avoids risks related to the proximity of the inferior alveolar nerve or maxillary sinus.
Position in the treatment spectrum: Subperiosteal implants are considered as a last-resort solution, after evaluating and ruling out standard, zygomatic implants and bone reconstruction options. Long-term data on new CAD-CAM techniques remains limited, and this information is communicated clearly at the consultation.
Procedures we offer
Custom Subperiosteal Implant (Grade 5 Titanium, CAD-CAM)
Custom titanium framework from 3D CBCT data. Rests on cortical bone beneath the periosteum with trans-mucosal abutments.
3D Virtual Planning
Comprehensive 3D simulation prior to fabrication, optimizing abutment positioning and force distribution.
Immediate Loading
When primary stability is achieved, a provisional prosthesis may be placed shortly after surgery.