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Comparison of stability between cylindrical and conical type mini-implants - Mechanical and histologic properties

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dc.contributor.authorKim, Tae-Woo-
dc.contributor.authorChang, Young-Il-
dc.contributor.authorBaek, Seung-Halk-
dc.contributor.authorKim, Jong-Wan-
dc.date.accessioned2013-01-22T01:21:36Z-
dc.date.available2013-01-22T01:21:36Z-
dc.date.issued2008-07-
dc.identifier.citationANGLE ORTHODONTIST, Vol.78, No.4, pp.692-698ko_KR
dc.identifier.issn0003-3219-
dc.identifier.urihttps://hdl.handle.net/10371/80916-
dc.description.abstractObjective: To investigate the mechanical and histologic properties of conical compared with cylindrical shaped mini-implants in terms of the success rate. Materials and Methods: The samples consisted of cylindrical and conical groups, and commonly had 1.6 mm diameter and 6.0 mm length (Jeil Medical Corporation, Seoul, Korea) placed in beagle dogs. The mechanical study for analyzing maximum insertion torque (MIT), maximum removal torque (MRT), and torque ratio (TR; MRT/MIT) in Sawbones (Pacific Research Laboratories Inc, Vashon, Wash), and the animal study for resonance frequency analysis (RFA) and histomorphometric analysis (bone-to-implant contact and bone area) in two beagle dogs were done. All measurements were statistically evaluated using independent t-tests to determine any difference in MIT, MRT, TR, RFA, bone-to-implant contact (BIC), and bone area (BA) between the cylindrical group and conical group. A P value less than 0.05 was considered significant. Results: The conical group showed significantly higher MIT and MRT than the cylindrical group in the mechanical study. However, there was no significant difference in RFA, BIC, and BA between the two groups in the animal and histomorphometric studies. Conclusions: Although the conical shaped mini-implant could induce tight contact to the adjacent bone tissue and might produce good primary stability, the conical shape may need modification of the thread structure and insertion technique to reduce the excessive insertion torque while maintaining the high resistance to removal.ko_KR
dc.description.sponsorshipThis study was supported by grant #03-2006-007 from the SNUDH Research Fund.ko_KR
dc.language.isoenko_KR
dc.publisherE.H ANGLE EDUCATION RESEARCH FOUNDATION, INCko_KR
dc.subjectmini-implantko_KR
dc.subjectcylindricalko_KR
dc.subjectstabilityko_KR
dc.subjecthistomorphometricko_KR
dc.subjectmechanicalko_KR
dc.subjectconicalko_KR
dc.titleComparison of stability between cylindrical and conical type mini-implants - Mechanical and histologic propertiesko_KR
dc.typeArticleko_KR
dc.contributor.AlternativeAuthor김태우-
dc.contributor.AlternativeAuthor장영일-
dc.contributor.AlternativeAuthor백승학-
dc.contributor.AlternativeAuthor김종완-
dc.identifier.doi10.2319/0003-3219(2008)078[0692:COSBCA]2.0.CO;2-
dc.citation.journaltitleANGLE ORTHODONTIST-
dc.description.tc20-
Appears in Collections:
College of Dentistry/School of Dentistry (치과대학/치의학대학원)Dept. of Dentistry (치의학과)Journal Papers (저널논문_치의학과)
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