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dc.contributor.author전윤식-
dc.date.accessioned2016-08-28T12:08:12Z-
dc.date.available2016-08-28T12:08:12Z-
dc.date.issued2010-
dc.identifier.issn0889-5406-
dc.identifier.otherOAK-6535-
dc.identifier.urihttps://dspace.ewha.ac.kr/handle/2015.oak/220755-
dc.description.abstractIntroduction: The strategic design of an appliance for correcting a bialveolar protrusion by using orthodontic mini-implant anchorage and sliding mechanics must take into account the position and height of the mini-implant, the height of the anterior retraction hook and compensating curve, and midline vertical traction. In this study, we used finite element analysis to examine effective en-masse retraction with orthodontic mini-implant anchorage and sought to identify a better combination of the above factors. Methods: Base models were constructed from a dental study model. Models with labially and lingually inclined incisors were also constructed. The center of resistance for the 6 anterior teeth in the base model was 9 mm superiorly and 13.5 mm posteriorly from the midpoint of the labial splinting wire. The working archwires were assumed to be 0.019 × 0.025-in or 0.016 × 0.022-in stainless steel. The amount of tooth displacement after finite element analysis was magnified 400 times and compared with central and lateral incisor and canine axis graphs. Results and Conclusions: The tooth displacement tendencies were similar in all 3 models. The height of the anterior retraction hook and the placement of the compensating curve had limited effects on the labial crown torque of the central incisors for en-masse retraction. The 0.016 × 0.022-in stainless steel archwire showed more tipping of teeth compared with the 0.019 × 0.025-in archwire. For high mini-implant traction and 8-mm anterior retraction hook condition, the retraction force vector was applied above the center of resistance for the 6 anterior teeth, but no bodily retraction of the 6 anterior teeth occurred. For high mini-implant traction, 2-mm anterior retraction hook, and 100-g midline vertical traction condition, the 6 anterior teeth were intruded and tipped slightly labially. Copyright © 2010 by the American Association of Orthodontists.-
dc.languageEnglish-
dc.titleEffective en-masse retraction design with orthodontic mini-implant anchorage: A finite element analysis-
dc.typeArticle-
dc.relation.issue5-
dc.relation.volume137-
dc.relation.indexSCI-
dc.relation.indexSCIE-
dc.relation.indexSCOPUS-
dc.relation.startpage648-
dc.relation.lastpage657-
dc.relation.journaltitleAmerican Journal of Orthodontics and Dentofacial Orthopedics-
dc.identifier.doi10.1016/j.ajodo.2008.06.036-
dc.identifier.wosidWOS:000277408200023-
dc.identifier.scopusid2-s2.0-77954669335-
dc.author.googleSung S.-J.-
dc.author.googleJang G.-W.-
dc.author.googleChun Y.-S.-
dc.author.googleMoon Y.-S.-
dc.contributor.scopusid전윤식(7202638291)-
dc.date.modifydate20210301081004-
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의과대학 > 의학과 > Journal papers
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