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A 3-year prospective radiographic evaluation of marginal bone level around different implant systems

Cited 31 time in Web of Science Cited 37 time in Scopus
Authors
Lee, S.Y.; Piao, C.M.; Koak, J.Y.; Kim, S.K.; Ku, Y.; Han, C.H.; Heo, Seong- Joo; Rhyu, I.C.; Kim, Y.S.
Issue Date
2010
Publisher
Blackwell Publishing Ltd
Citation
Journal of Oral Rehabilitation; Vol.37, No.7, pp.538-544
Keywords
Dental implantMicrothreadRadiographic evaluationMarginal bone level
Description
The definitive version is available at www.blackwell-synergy.com
Abstract
The aim of this study was to evaluate the change of marginal bone level radiographically around three different implant systems after 3 years in function. Fifty-four patients were included and randomly assigned to three treatment groups of rough-surface implants (TiUnite, n = 37), hybrid of smooth and rough-surface implants (Restore, n = 38) and rough surface with microthread implants (Hexplant, n = 45). Clinical and radiographic examinations were conducted at the time of implant loading (baseline), 1 and 3 years after loading. A three-level mixed-effect analysis of covariance (ancova) was used to test the significance of the mean marginal bone change of the three implant groups. A total 120 of 135 implants completed the study. None of the implants failed to integrate. Significant differences were noted in the marginal bone loss recorded for the three groups (P < 0.0001). At 3 years, the rough surface with microthread implants had a mean crestal bone loss of 0.59 +/- 0.30 mm; the rough-surface implants, 0.95 +/- 0.27 mm; and the hybrid surface implants, 1.05 +/- 0.34 mm. Within the limitations of this study, rough-surface implants with microthread at the coronal part might have a long-term positive effect in maintaining the marginal bone level against functional loading in comparison with implants without these two features. ⓒ 2010 Blackwell Publishing Ltd.
ISSN
0305-182X
Language
English
URI
https://hdl.handle.net/10371/80889
DOI
https://doi.org/10.1111/j.1365-2842.2010.02083.x
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College of Dentistry/School of Dentistry (치과대학/치의학대학원)Dept. of Dentistry (치의학과)Journal Papers (저널논문_치의학과)
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