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Comparison of Stability between Cylindrical and Conical TypeMini-Implants Mechanical and Histologic Properties
DC Field | Value | Language |
---|---|---|
dc.contributor.author | Kim, Jong-Wan | - |
dc.contributor.author | Baek, Seung-Hak | - |
dc.contributor.author | Kim, Tae-Woo | - |
dc.contributor.author | Chang, Young-Il | - |
dc.date.accessioned | 2010-05-17T10:51:06Z | - |
dc.date.available | 2010-05-17T10:51:06Z | - |
dc.date.issued | 2008-07 | - |
dc.identifier.citation | Angle Orthod. 2008;78(4):692-698 | en |
dc.identifier.issn | 0003-3219 | - |
dc.identifier.uri | https://hdl.handle.net/10371/66613 | - |
dc.description.abstract | Objective: 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. | en |
dc.description.sponsorship | This study was supported by grant #03-2006-007 from the
SNUDH Research Fund. | en |
dc.language.iso | en | en |
dc.publisher | H Angle Education and Research Foundation | en |
dc.subject | Mini-implant | en |
dc.subject | Cylindrical | en |
dc.subject | Conical | en |
dc.subject | Stability | en |
dc.subject | Mechanical | en |
dc.subject | Histomorphometric | en |
dc.title | Comparison of Stability between Cylindrical and Conical TypeMini-Implants Mechanical and Histologic Properties | en |
dc.type | Article | en |
dc.contributor.AlternativeAuthor | 김종완 | - |
dc.contributor.AlternativeAuthor | 백승학 | - |
dc.contributor.AlternativeAuthor | 김태우 | - |
dc.contributor.AlternativeAuthor | 장영일 | - |
dc.identifier.doi | 10.2319/060407-266.1 | - |
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