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Effect of a macroscopic groove on bone response and implant stability

Cited 12 time in Web of Science Cited 12 time in Scopus
Authors
Yoon, Hyung-In; Yeo, In-Sung; Yang, Jae-Ho
Issue Date
2010-02
Publisher
Wiley-Blackwell
Citation
Clinical Oral Implants Research 21: 1379-1385
Keywords
bone-to-implant contactmacroscopic grooverabbit tibiaremoval torqueresonance frequency
Abstract
Objectives: The aim of this study was to investigate the effect of a macroscopic groove on
bone response and implant stability during the early stages of healing using a rabbit tibia
model.
Materials and methods: Anodized titanium implants with (n¼24) and without (n¼24)
macroscopic grooves were prepared. A total of 12 rabbits were used and each received four
implants: six rabbits with implants with macroscopic grooves (test group) and six rabbits
with implants without macroscopic groves (control group). Histomorphometry, resonance
frequency, and removal torque value were evaluated 2 and 6 weeks post-implant-insertion.
Results: At 2 and 6 weeks, there was no significant difference between the two groups in
the percentage of bone-to-implant contact (P40.05). At 6 weeks, the test group had
significantly higher implant stability quotient values than the control group (Po0.05). At 2
and 6 weeks, implants with grooves showed a significantly greater resistance to reverse
torque than control implants (Po0.05).
Conclusion: The groove on the oxidized titanium surface may increase both resistance to
shear load and adhesion at the bone–implant interface. A geometric feature such as a
macroscopic groove may facilitate osseointegration and increase implant stability in various
clinical conditions. Further studies are required to confirm whether the improvement in
implant stability will enhance treatment success in humans.
ISSN
0905-7161
Language
English
URI
http://hdl.handle.net/10371/72123
DOI
https://doi.org/10.1111/j.1600-0501.2010.01960.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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