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Brazilian Journal of Oral Sciences
Piracicaba Dental School - UNICAMP
EISSN:
Vol. 6, No. 21, 2007, pp. 1313-1319
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Bioline Code: os07013
Full paper language: English
Document type: Research Article
Document available free of charge
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Brazilian Journal of Oral Sciences, Vol. 6, No. 21, 2007, pp. 1313-1319
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Esthetic analysis of the smile
Soares, Giulliana Panfiglio; Valentino, Thiago Assunção; Lima, Débora Alves Nunes Leite; Paulillo, Luis Alexandre Maffei Sartini; Silva, Frederico Augusto Peixoto & Lovadino, José Roberto
Abstract
This study analyzed the esthetics components of the smile, evaluating
the relationship between the curve formed by the incisal line of the
anterior superior teeth and the curve of the inferior lip, the touch of
this incisal line on the inferior lip, the teeth displayed during smile,
the relationship between the facial midline with the arch midline, the
location of the arch midline and gender differences. Eighty-eight
undergraduate students of the dentistry course of the Tiradentes
University were selected. Two photographs were taken (smiling face
and smile) using digital camera. The statistical analysis was performed
after image tracing evaluation. Results show that the coincidence of
the facial midline with the arch midline occurred only on half of the
students. Most of the students presented parallelism between the
incisal plan and the interpupillary line. Smiles with or without touch
of the incisal line on the lower lip, smiles revealing up to the seconds
premolars or firsts molars, and parallel or straight smiles were also
most commonly observed. The majority of the men presented centered
midline arch while women presented deviation to the right. No
difference was found between the distribution of the arch midline.
Keywords
smiling analysis, dental esthetics, esthetic
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