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marginal bone loss around three different implant systems : radiographic evaluation after 1 year

Cited 36 time in Web of Science Cited 42 time in Scopus
Authors
KOAK, J. Y.; PIAO, C. M.; LEE, J. E.; KIM, S. K.; RHYU, I. C.; HAN, C. H.; HERR, Y.; HEO, S. J.
Issue Date
2009-08
Publisher
Wiley-Blackwell
Citation
JOURNAL OF ORAL REHABILITATION. 2009;36:748-754.
Keywords
marginal bone levelmicrothreadsrough surfaceradiographic evaluationdental implants
Abstract
Summary This study was designed to radiographically evaluate the effect of surface macro-and microstructures within the coronal portion of the external hex implant at the marginal bone change after loading. The fifty-four patients included in the study were randomly assigned to treatment groups with rough-surface implants (TiUnite, n = 45), a hybrid of smooth and rough surface implants (Restore, n = 45) or rough-surface with microthreads implants (Hexplant, n = 45). Clinical and radiographic examinations were conducted at the time of implant loading (baseline) and at 1-year post-loading. A three-level mixed-effect ancova was used to test the significance of the mean marginal bone change of the three implant groups from baseline to 1-year follow-up. At 1-year, significant differences were noted in marginal bone loss recorded for the three groups (P < 0·0001). The rough surface with microthread implants had a mean crestal bone loss of 0·42 ± 0·27 mm; the rough surface implants, 0·81 ± 0·27 mm; and the hybrid surface implants, 0·89 ± 0·41 mm. Within the limitations of this study, a rough surface with microthreads at the coronal part of implant maintained the marginal bone level against functional loading better than implants without these two features.
ISSN
0305-182X
Language
English
URI
http://hdl.handle.net/10371/62783
DOI
https://doi.org/10.1111/j.1365-2842.2009.01988.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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