کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
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5638820 | 1584110 | 2016 | 6 صفحه PDF | دانلود رایگان |
The results of a randomised trial with bisphosphonate-coated dental implants have been reported previously. Each patient received one coated and one uncoated implant in a double-blind split-mouth design study. After 6 months of osseointegration, resonance frequency analysis indicated better fixation of the coated implants. Reduced marginal bone resorption was also shown. However, it was not known whether the advantage of the bisphosphonate coating would persist over time. The radiographic results at 5 years after implant installation are reported herein. A blinded investigator measured marginal resorption on fresh radiographs obtained for 14 of the 16 patients (two had died) and compared these with the post-implantation images. Non-parametric statistics were used. All implants functioned well. The median marginal bone loss for control implants was found to be 0.70Â mm, which is less than usually reported in the literature. The bisphosphonate-coated implants showed even less resorption (median 0.20Â mm). The median difference within each pair of implants after 5 years of use was 0.34Â mm (95% confidence interval 0.00-0.75Â mm; PÂ =Â 0.04). The present data suggest that bisphosphonate-coated implants enable prolonged preservation of the marginal bone.
Journal: International Journal of Oral and Maxillofacial Surgery - Volume 45, Issue 12, December 2016, Pages 1564-1569