Journal
JOURNAL OF CLINICAL PERIODONTOLOGY
Volume 37, Issue 5, Pages 442-448Publisher
WILEY
DOI: 10.1111/j.1600-051X.2010.01537.x
Keywords
bone loss; dental implants; multilevel analyses; peri-implantitis; radiographic measurements
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Funding
- TUA research, University of Gothenburg, Sweden
- Swedish Dental Society
- Medical Research Council (MRC)
- Chief Scientist Office (CSO) of the Scottish Government Health Directorates
- SCO [U.1300.00.01]
- Chief Scientist Office [SPHSU2] Funding Source: researchfish
- Medical Research Council [MC_U130059823] Funding Source: researchfish
- MRC [MC_U130059823] Funding Source: UKRI
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P>Objective The purpose of the present study was to describe the severity and pattern of peri-implantitis-associated bone loss. Material and Methods Intra-oral radiographs from 182 subjects were analysed. Bone-level measurements were performed in 419 implants with a history of bone loss. All radiographs obtained in the interval from the 1-year follow-up to the end-point examination (5-23 years) were analysed. The amount of bone loss that occurred from 1 year after prosthesis insertion was assessed and the pattern of bone loss was evaluated. Results The average bone loss after the first year of function was 1.68 mm and 32% of the implants demonstrated bone loss >= 2 mm. The multilevel model revealed that the bone loss showed a non-linear pattern and that the rate of bone loss increased over time. The model also revealed that the pattern of peri-implantitis associated bone loss was similar within the same subject. Conclusion It is suggested that peri-implantitis-associated bone loss varies between subjects and is, in most cases, characterized by a non-linear progression, with the rate of loss increasing over time.
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