期刊
CLINICAL IMPLANT DENTISTRY AND RELATED RESEARCH
卷 19, 期 6, 页码 1090-1098出版社
WILEY
DOI: 10.1111/cid.12546
关键词
crestal bone resorption; implant survival; prospective; short implants
BackgroundThe amount of marginal bone resorption around dental implants is considered to have a significant impact on implant stability as well as implant survival rates. PurposeThe aim of this prospective study was to investigate the influence of prosthetic as well as patient specific factors on marginal bone loss around short dental implants. Materials and methodsSeventy-six implants, which supported splinted crowns were included for investigation. All implants were from the same type and had an intraosseous length of 6.5 mm and a diameter of 4.0 mm. Twenty implants were additionally splinted onto longer ones. Measurements of marginal bone loss were performed at a mean of 12.38 months after prosthetic loading and the mean follow-up for clinical evaluation was 20.52 months. ResultsOverall two implant failures were recorded, revealing a survival rate of 97.3%. Marginal bone resorption around 72 short implants measured 0.71 mm (SD: 0.74 mm) and was found to have a strong correlation with calculated Crown-to-Implant ratio (r=.71; P<.001). Age, gender, insertion torque, implant surface area, location, position, bone quality, and insertion torque did not influence peri-implant bone loss after one year of loading. ConclusionWithin the limitations of the study, it is suggested that Crown-to-Implant ratios should not exceed 1.7 to avoid increased early marginal bone loss.
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