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International Journal of Oral Implantology
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Int J Oral Implantol 5 (2012), No. 1     15. Mar. 2012
Int J Oral Implantol 5 (2012), No. 1  (15.03.2012)

Supplement, Page 91-103, PubMed:22834398


Identifying occlusal overload and how to deal with it to avoid marginal bone loss around implants
Fu, Jia-Hui / Hsu, Yung-Ting / Wang, Hom-Lay
Background: Occlusal overloading is the primary cause of biomechanical implant complications, which include fracture and/or loosening of the implant fixture and/or prosthetic components. It may also disrupt the intricate bond between the implant surface and bone, leading to peri-implant bone loss and eventual implant failure. Purpose: This paper was aimed at identifying and evaluating clinical and radiographic parameters relevant for diagnosing occlusal overloading of oral implants. It also discusses its management in order to prevent peri-implant marginal bone loss.
Materials and methods: An electronic literature search for relevant studies, examining the relationship between occlusal overloading and peri-implant bone loss, was conducted in the PubMed database. Clinical human studies published in English with a minimum of 10 implants were included.
Results: Seven articles were identified. Occlusal overloading was found to be positively associated with peri-implant marginal bone loss.
Conclusion: Preventing occlusal overloading involves conducting comprehensive examinations, treatment planning, precise surgical and prosthetic treatment executions, and regular maintenance. If occlusal overloading occurs, management of biomechanical implant complications and preventing/ treating peri-implant bone loss involves surgical and prosthetic treatment modalities. They include occlusal treatment, repair and replacement of defective prosthetic components, and surgical treatment of the bony craters.

Keywords: biomechanics, bone remodelling, implant complications, implant prosthesis, implants, overload, peri-implantitis