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Long-term retrospective evaluation of the peri-implant bone level in onlay grafted patients with iliac bone from the anterior surperior iliac crest.


Fretwurst T, Nack C, Al-Ghrairi M, Raguse JD, Stricker A, Schmelzeisen R, Nelson K, Nahles S

J Craniomaxillofac S 2015;43(6):956-60 (Grant CF41306)

Abstract

Objective:

The purpose of the present study was to evaluate crestal bone level changes around dental implants after iliac bone augmentation in the long term.

Material and methods:

A total of 32 partially edentulous/edentulous patients (mean age, 52 years; range, 22-70 years) and a remaining bone volume of less than 5 mm of the alveolar ridge underwent maxillary or mandibular iliac bone graft augmentation. All patients received spaced standardized radiological examination for evaluation of peri-implant crestal bone loss.

Results:

The grafting procedure was successfully performed in all patients. A total of 150 implants were placed. The mean observation period was 69 months (range, 12-165 months; success rate for maxilla, 96%; success rate for mandible, 92%). The mean amount of crestal bone loss after 10 years was 1.8 mm. A significant difference between gender and crestal bone loss was shown, but no influence was found regarding the implant system, diameter of implant, and age of the patients.

Conclusion:

In patients with atrophic jaws, a sufficient long-term reconstruction can be achieved with the combination of iliac onlay grafting and dental implants. The results demonstrate high success rates and a stable peri-implant bone level in the long term.

SOURCE

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