Bone surgery

Sinus floor elevation

Sinus floor elevation is appropriate for treating bone insufficiencies in the posterior regions. The formal treatment sequence goes as follows: implant placement 6 months after the graft followed by the usual osteointegration period of implants. In rare cases, implants can be fitted at the same time as the elevation, provided that the remaining bone height is at least 5 mm which will ensure primary retention.

Onlay grafts 

Onlay grafts are recommended to treat lack of thickness in the forward or lateral regions.

Early controls have shown: 

  • At the outset, 173 satisfactory results on 212 operated patients over a period of 10 years. 
  • On their early X-ray control, 34 patients have shown one or several incomplete areas that are easy to elevate under local anesthesia with an autograft cryopreserved bone.
  • Finally, for 5 out of 212 patients, the graft was a failure due to uncontrolled infectious problems.

 Late X-ray controls

On late X-ray controls, some elements can be identified:

  • Absence of an inflammatory reaction of the sinusal mucous membrane which reveals a perfect graft. This is confirmed by good clinical tolerance: in 10 years, no disturbance in the sinusal physiology has been noted.
  • Absence of bone resorption. This is probably linked to the execution of the graft by the implants. 

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