Does the correction of a functional posterior unilateral crossbite improve the facial asymmetry?

Marco Antonio de Oliveira ALMEIDA, Catia Cardoso Abdo QUINTÃO, Ione Helena Vieira Portella BRUNHARO, Daniel KOO, Bianca Rossi COUTINHO

Aim: To evaluate, analyzing clinical photographs of 30 patients, the changes occurred, after orthodontic correction, on the labial asymmetry in patients with unilateral posterior functional crossbite. Methods: To quantify this changes, the area of the labial quadrants and their surface area were measured before (T1) and after (T2) the treatment. Upper and lower lips were subdivided in 4 quadrants, and their surface area were measured and expressed in percentage of the total surface area. The degree of correction was obtained by calculating the difference in the percentile of the surface area among the quadrants in T1 and T2. Results: The results showed a signifi cant improvement of the asymmetry on the mandibular shift side.

Keywords: Functional crossbite. Mixed dentition. Facial asymmetry.

Sunday, April 28, 2024 06:36