Orthodontic treatment of anterior open bite: comparison of profile and smile attractiveness in patients treated with surgical and compensatory protocols

• Ano de defesa: 2022
• Autor(a) principal: Nogueira, Cinthya Quagliato
• Tipo de documento: Tese
• Tipo de acesso: Acesso aberto
• Idioma: eng
• Instituição de defesa: Biblioteca Digitais de Teses e Dissertações da USP
• Palavras-chave em Português: Cirurgia ortognática; Mordida aberta; Open bite; Orthodontics; Orthognatic Surgery; Ortodontia
• Link de acesso: https://www.teses.usp.br/teses/disponiveis/25/25144/tde-08062022-100740/

Introduction: The treatment of the open bite is not always performed at the ideal stage and when this occurs, there is usually a greater skeletal factor in its composition, which suggests, in many cases, the association of a surgical treatment simultaneously with the orthodontic one or often in a compensatory orthodontic treatment. Objective: To evaluate the attractiveness of the smile and profile among the different protocols for treating anterior open bite. Methods: 30 patients with previous open bite treated with or without extractions, divided into two groups, according to the treatment performed: G1- Surgical group, composed of 15 patients (9 females; 6 males ) with a mean initial age of 20.53 years. years (SD=4.72) treated with fixed appliances and orthognathic surgery for a period of 2.65 years (SD=0.58). G2- Compensatory group, composed of 15 patients (9 females; 7 males), with a mean initial age of 20.01 years (SD=4.17), treated only with fixed appliances for an average period of 2 .55 years (SD=0.87). The attractiveness of the smile and profile was evaluated in black and white photographs of profiles and smiles posed before and after treatment, with a numerical rating scale from 0 to 10, with 0 being the least attractive and 10 being the most attractive of the smile. Intergroup comparison was performed using an independent t test. Results: In the final phase, the surgical group presented a more attractive smile and profile than the compensatory group. The surgical group showed greater improvement in smile attractiveness and profile with treatment than the compensatory group. Conclusion: Both surgical and compensatory treatments produce equally satisfactory results in terms of esthetics, both for laypersons and dentists.