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Rotational Resistance of Surface-Treated Mini-implants
DC Field | Value | Language |
---|---|---|
dc.contributor.author | Kim, Tae-Woo | - |
dc.contributor.author | Kim, Seong-Hun | - |
dc.contributor.author | Lee, Shin-Jae | - |
dc.contributor.author | Cho, Il-Sik | - |
dc.contributor.author | Kim, Seong-Kyun | - |
dc.date.accessioned | 2010-07-12T05:06:25Z | - |
dc.date.available | 2010-07-12T05:06:25Z | - |
dc.date.issued | 2009-09 | - |
dc.identifier.citation | Angle Orthodontist. 2009;79:899-907 | en |
dc.identifier.issn | 0003-3219 | - |
dc.identifier.uri | https://hdl.handle.net/10371/68593 | - |
dc.description.abstract | Objective: To test the hypothesis that there is no difference in the stability and resistance to rotational moments of early loaded sandblasted and acid-etched (SLA) mini-implants and those of machined-surface implants of the same size and shape.
Materials and Methods: A randomized complete block design was used in 12 skeletally mature male beagle dogs. Ninety-six orthodontic mini-implants were tested. Two types of implants were used: some had SLA surface treatment and some had machined surfaces without coating. After 3 weeks of healing, rotational moments of 150 g were applied. The success rates, maximum torque values, angular momentum, and total energy absorbed by the bone were compared. All values were subjected to mixed-model analysis to evaluate the influence of surface treatment, rotational force direction, and site of implantation. Results: The maximum insertion torque and angular momentum of SLA implants were significantly lower than those of machined implants (P = .034, P = .039). The SLA implants had a significantly higher value for total removal energy than the machined implants (P = .046). However, there were no significant differences in total insertion energy, maximum removal torque, and removal angular momentum between the 2 groups. There was no significant difference between clockwise and counterclockwise rotation in all measurements. Conclusion: SLA mini-implants showed relatively lower insertion torque value and angular momentum and higher total energy during removal than the machined implants, suggesting osseointegration of the SLA mini-implant after insertion. | en |
dc.language.iso | en | en |
dc.publisher | Angle Orthodontist | en |
dc.subject | Partial osseointegration | en |
dc.subject | Mini-implant | en |
dc.subject | Torque value | en |
dc.subject | Rotational moment | en |
dc.subject | Angular momentum | en |
dc.title | Rotational Resistance of Surface-Treated Mini-implants | en |
dc.type | Article | en |
dc.contributor.AlternativeAuthor | 김태우 | - |
dc.contributor.AlternativeAuthor | 김승훈 | - |
dc.contributor.AlternativeAuthor | 이신재 | - |
dc.contributor.AlternativeAuthor | 조일식 | - |
dc.contributor.AlternativeAuthor | 김승균 | - |
dc.identifier.doi | 10.2319/090608-466.1 | - |
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