Posterior teeth angulation in non-extraction and extraction treatment of anterior open-bite patients

Progress in Orthodontics
Guilherme JansonFabrício Pinelli Valarelli

Abstract

This study cephalometrically evaluated the posterior teeth angulation changes of anterior open-bite non-extraction and extraction treatment in the permanent dentition, with anterior vertical elastics. The sample consisted of initial and final lateral headfilms of 60 patients divided into 2 groups: Group 1 consisted of 30 patients treated with non-extraction with an initial mean age of 15.26 years and treated with fixed appliances for a mean period of 2.46 years. Group 2 consisted of 30 patients treated with extractions, with an initial mean age of 14.03 years, and treated with fixed appliances for a mean period of 2.49 years. Within-group treatment changes were evaluated with paired t tests. Results were considered statistically significant at P < 0.05. The mandibular posterior teeth were significantly uprighted in both groups with both treatment protocols. Correction of anterior open bite with either non-extraction or extractions with continuous archwires and vertical anterior elastics uprights the mandibular posterior teeth.

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Citations

Mar 20, 2020·Journal of Dental Research, Dental Clinics, Dental Prospects·Mohammadreza BadieeSanaz Sajedi

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Methods Mentioned

BETA
X-ray

Software Mentioned

Statistica
Dentofacial Planner

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