Journal
JOURNAL OF CLINICAL PERIODONTOLOGY
Volume 43, Issue 4, Pages 383-388Publisher
WILEY-BLACKWELL
DOI: 10.1111/jcpe.12535
Keywords
bone loss; complications; disease progression; onset; peri-implantitis
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Funding
- Swedish Social Insurance Agency (Forsakringskassan)
- Swedish Research Council [VR: K2013-52X-22197-01-3]
- TUA research Gothenburg, Sweden
- Swedish Dental Society
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BackgroundWhile information on the prevalence of peri-implantitis is available, data describing onset and progression of the disease are limited. Material & MethodsA 9-year follow-up examination of 596 randomly selected implant-carrying individuals identified 62 patients with moderate/severe peri-implantitis. Longitudinal assessments of peri-implant marginal bone levels were used to construct a statistical model with bone loss as the dependent variable. A multilevel growth model estimated the pattern of bone loss for each implant/patient. Onset of peri-implantitis was determined by evaluating the cumulative percentage of implants/patients presenting with estimated bone loss at each year following prosthesis delivery. ResultsThe analysis showed a non-linear, accelerating pattern of bone loss at the 105 affected implants. The onset of peri-implantitis occurred early, and 52% and 66% of implants presented with bone loss of >0.5mm at years 2 and 3 respectively. A total of 70% and 81% of subjects presented with 1 implants with bone loss of >0.5mm at years 2 and 3 respectively. ConclusionsIt is suggested that peri-implantitis progresses in a non-linear, accelerating pattern and that, for the majority of cases, the onset occurs within 3years of function.
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