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Cephalometric predictors of long-term stability in the early treatment of class III malocclusion
DC Field | Value | Language |
---|---|---|
dc.contributor.author | Moon, Young-Min | - |
dc.contributor.author | Ahn, Sug-Joon | - |
dc.contributor.author | Chang, Young-Il | - |
dc.date.accessioned | 2010-07-12T03:40:14Z | - |
dc.date.available | 2010-07-12T03:40:14Z | - |
dc.date.issued | 2005-09 | - |
dc.identifier.citation | Angle Orthodontist 2005;75(5):747-753 | en |
dc.identifier.issn | 0003-3219 | - |
dc.identifier.uri | https://hdl.handle.net/10371/68578 | - |
dc.description.abstract | The aim of this study was to examine the differences in the early craniofacial morphology
of Class III malocclusions. Lateral cephalograms of 45 subjects with a Class III malocclusion and an anterior crossbite in the deciduous or mixed dentition were examined before treatment, after treatment, and during the long-term retention stage. The anterior crossbites of all patients were corrected after a series of orthodontic treatments. After a mean follow-up period of 5.7 years, all the subjects were reevaluated and divided into three groups according to the final occlusal status: good, fair, and poor occlusal stability. Twenty cephalometric variables on the pretreatment lateral cephalograms were analyzed by one-way analysis of variance and discriminant analysis to identify the key determinants for discriminating among the three groups. Among the 20 variables, 11 showed statistical significance. Generally, the subjects with a smaller gonial angle and a more hypodivergent skeletal pattern had good prognosis after the early treatment of Class III malocclusion. When the AB to mandibular plane angle and N-perpendicular to point A were selected in discriminant analysis, the AB to mandibular plane angle was the most significant variable. Discriminant analysis showed a relatively high degree of correct classifications of the patients with early Class III malocclusion. In particular, discriminant analysis showed the highest accuracy (93.3%) when predicting a poor prognosis. | en |
dc.description.sponsorship | This study was supported by a grant from the Korea Health 21
R&D Project, Ministry of Health & Welfare, Republic of Korea (03- PJ1-PG1-CH09-0001). | en |
dc.language.iso | en | en |
dc.publisher | Angle Orthodontist | en |
dc.subject | Class III malocclusion | en |
dc.subject | Prognosis | en |
dc.subject | Discriminant analysis | en |
dc.title | Cephalometric predictors of long-term stability in the early treatment of class III malocclusion | en |
dc.type | Article | en |
dc.contributor.AlternativeAuthor | 문영민 | - |
dc.contributor.AlternativeAuthor | 안석준 | - |
dc.contributor.AlternativeAuthor | 장영일 | - |
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