Journal
JOURNAL OF PERIODONTAL AND IMPLANT SCIENCE
Volume 51, Issue 6, Pages 422-432Publisher
KOREAN ACAD PERIODONTOLOGY
DOI: 10.5051/jpis.2101180059
Keywords
Alveolar bone loss; Bone remodeling; Dental implants
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The study found that there were no significant differences between straight and tapered implants in terms of marginal bone loss, modified plaque index, and modified bleeding index for 5 years after functional loading.
Purpose: The aim of this study was to compare straight and tapered implant designs in terms of marginal bone loss, the modified plaque index (mPI), and the modified bleeding index (mBI) for 5 years after functional loading. Methods: Twelve patients were recruited. Two types of implants were placed adjacent to each other: 1 straight implant and 1 tapered implant. Marginal bone loss, mPI, and mBI were measured every year for 5 years after loading. Results: The straight implants showed 0.2 +/- 0.4 mm of marginal bone loss at 5 years after loading, while the tapered implants showed 0.2 +/- 0.3 mm of marginal bone loss; this difference was not statistically significant (P=0.833). Our analysis also showed no statistically significant differences in mPI (straight implants: 0.3 +/- 0.3 vs. tapered implants: 0.2 +/- 0.3; P=0.414) or in mBI (straight implants: 0.3 +/- 0.4 vs. tapered implants: 0.2 +/- 0.3; P=0.317) at 5 years after prosthesis delivery. Conclusions: Straight and tapered implants showed no significant differences with respect to marginal bone loss, mPI, and mBI for 5 years after loading.
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