2021
DOI: 10.1590/2177-6709.26.3.e21spe3
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The smile arc: review and synthesis

Abstract: Introduction: The smile arc is an esthetic parameter that has been better investigated by Orthodontics after the “new esthetic paradigm”. Its diagnostic evaluation and inclusion in the objectives of orthodontic planning has become fundamental for professionals seeking for more beautiful and youthful natural esthetic outcomes. Objectives: To review concepts related to the smile arc, analyze the determinants of its appearance, understanding how the possible variations can affect the esthetic perception of smile. Show more

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Cited by 9 publications
(7 citation statements)
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References 20 publications
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“…Smile aesthetics and/or smile design are popular dental procedures today. In determining the smiling behavior, perfect upper incisors, young and pleasantly curved lips and lip commissures, as well as the contractility of the perioral muscles and their morphological characteristics are very important (25). Therefore, although evidence is needed, facial exercises can complement smile design procedures.…”
Section: Discussionmentioning
confidence: 99%
“…Smile aesthetics and/or smile design are popular dental procedures today. In determining the smiling behavior, perfect upper incisors, young and pleasantly curved lips and lip commissures, as well as the contractility of the perioral muscles and their morphological characteristics are very important (25). Therefore, although evidence is needed, facial exercises can complement smile design procedures.…”
Section: Discussionmentioning
confidence: 99%
“…It was marked using a spirit level device (fluid level device) on the head using a double-sided adhesive and a Velcro band. The repeatable and reliable head position (19,34 NHP) is used in the study [20]. Once the desired position was achieved and confirmed, the subject was made to place his/her chin on the custom-made stand, maintaining the same head position, and the photograph was taken, using the grid system of the camera.…”
Section: Figure 4: Smile View By Graphing Of the Photograph Using Mat...mentioning
confidence: 99%
“…During the aging process, the lips assume a lower position, contributing to a reduction in the exposure of the maxillary anterior teeth and an increase in the exposure of the mandibular anterior teeth. It is known that women have a more marked upper incisal line than men, and both the curvatures formed by the upper incisal line and the lower lip when smiling tend to be flatter with increasing age (Seixas;Camara, 2010;Matos et al, 2020).…”
Section: Lip Analysismentioning
confidence: 99%