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Influence of prosthetic parameters on peri-implant bone resorption in the first year of loading: a multi-factorial
Markus Hof1, Bernhard Pommer, Nizama Zukic
1Department of Oral Surgery, Bernhard Gottlieb University Clinic of Dentistry, Medical University of Vienna, Vienna, Austria.
Background:
The first year of prosthetic loading is crucial to peri-implant bone levels; however, contributing factors are yet barely understood.
Purpose:
The purpose of the study is to investigate the influence of patient-, implant-, and prosthetic-related parameters on marginal bone resorption in partially edentulous patients within the first year of prosthetic loading.
Materials And Methods:
This retrospective multifactorial analysis involved the following influencing factors: patient gender and age, implant diameter, implant location and neck design, insertion torque, insertion depth, splinted versus single-tooth restorations, crown height space, and crown-to-implant ratio.
Results:
Mean peri-implant bone resorption around 200 dental implants was 0.98 ± 0.76 mm and significantly correlated to higher implant insertion depth (p < .001), whereas no association to prosthetic parameters could be observed.
Conclusions:
Within the limits of the present analysis, it can be concluded that apical implant positioning may constitute a relevant determinant of early peri-implant bone resorption.
