Avaliação da proporção áurea em pacientes submetidos ou não a tratamento ortodôntico

Marubayashi, Angélica Massumi Watanabe; Shinike, Aline Yuka; Souza, Kelly Juliane; Terada, Hélio Hissashi; Kurihara, Eduardo; Terada, Raquel Sano Suga
January 2010
Revista Dental Press de Estética;jan-mar2010, Vol. 7 Issue 1, p72
Academic Journal
The knowledge of the aesthetic principles applied to the Dentistry is fundamental for the evaluation and treatment planning of the smile. Among those, the golden proportion can be used to analyze the proportion among the widths of the anterior teeth. The main purpose of this study was to evaluate the prevalence of the golden proportion in students from a Dentistry course of a public institution, submitted or not to orthodontic treatment. Thirty 18 to 25-year old leucoderm female subjects with a consonant smile were randomly selected, and divided in two groups: Group 1 - individuals with fixed orthodontic appliance, and Group 2 - individuals who had never been submitted to either esthetic or orthodontic treatment of the anterior teeth. Cast models of each subject were manufactured and, subsequently, evaluated in what concerns the golden proportion as a consequence of using either Levin's grids or the golden rule. The findings showed that Levin's grids method is more specific than the golden rule in order to determine the golden proportion. The dental relation prevalence of the golden proportion in students submitted or not to the use of an orthodontic appliance was similar in both groups, independently of the evaluation method.


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