What aesthetic alteration of the smile is more noticeable among dental specialties?

Introduction: The current beauty patterns have gained great emphasis each day, increasing the search by patients, of this facial beauty, which brings dentistry professionals, as well as the students. Objective: Therefore, the aim of this project is to analyze six items that, commonly, are seen in the clinic: Smile Line; Lateral incisor with a canoed autonomic shape; Color alteration; Diatom; Dental alignment and Height/width of the central superior incisors, verifying which one of those items stand out among the different perception of dental specialties. Methods: This study was performed by means of a questionnaire composed of six frontal images of dental alterations, which the participant assigned a number from 0 until 10 for each picture. For the result analysis, it was used procedures of the descriptive statistics and Mann-Whitney (for variables with two different groups) and Kruskal-Wallis (for variables with three or more different groups) tests. Conclusion: According to dental surgeons perception, between the changes observed, the Diastema is the one that causes more negative impact to the smile's aesthetics, followed by the dental alignment. On the other hand, the smile's lower dental line and its height/width relation of central incisors are the alterations that less affected the smile's aesthetics.