A correlation study on changes of soft and hard tissues in adult and adolescent with Angle Class Ⅱ^1 Malocclusion following tooth extraction

Abstract:Objective: To explore the correlation on changes of soft and hard tissues inadult and adolescent with Angle Class Ⅱ^1 malocclusion

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Abstract:

Objective: To explore the correlation on changes of soft and hard tissues in adult and adolescent with Angle Class Ⅱ^1 malocclusion following extraction. Methods: The first premolar was extracted in a sample of 72 Class Ⅱ^1 cases (35 adults and 37 adolescents). Cephalograms were measured, and the results were analyzed by SPSS12.0 software. Results: Excluding significant correlation between the variable changes of soft facial style and of the corresponding maxilla in adolescent, and there were obvious correlation between variables of the soft lip style and of the corresponding bard (mainly dental) tissues, whereas the correlations were different between the soft tissues in the two groups. Conclusion: There are significant correlations between the soft and hard, soft and soft tissue variables changes, which are very different between the two groups

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