Influência do diastema interincisivo na avalição estética do sorriso

Abstract

Introduction: Defined by the absence of diastema contact between two adjacent teeth, sometimes it’s related to the absence of the interdental papilla. Occurs anywhere in the upper or lower, is commonly observed between maxillary central incisors. Objective: This study was made to publicize the etiology and how affects the perception Diastema interincisal smile aesthetics to 3 different groups: Group I - students with knowledge in dentistry, Group II - students with knowledge of general aesthetics and Group III-students whose academic training is not about aesthetic components. Materials and methods: Based on five patients of the University Clinic of Viseu, carriers diastema between the maxillary central incisors, frontal photographs of mouth and inferior third in smile and intercuspation maximum were taken. To manipulate the photos it was used Adobe Photoshop CS6 the manipulation process was divided in three steps, I-Diastema initial, II- Partial closure and III-Closure total diastema. The photos were submitted to evaluation by 334 students of the Catholic University, Regional Centre Borders. In order to analyze this photographic evaluation the students answered a questionnaire. The collected data will be statistically analyzed using the IBM SPSS Statistics 20. Discussion: The results show different levels of valuation between the 3 groups, can also be observed different ratings between genders, although not significant. The evaluators made different valuations of photographs intra and extra-oral. Conclusion: The dental aesthetics shows a subjective and individual character, since there is a great variability in aesthetic perception between the analyzed groups. No significant difference was found in relation to gender in the study sample. Further studies are needed with the inclusion of different ethnic groups and different groups of assessors in the field of dentistry.

Date of Award	2013
Original language	Portuguese
Awarding Institution	Universidade Católica Portuguesa
Supervisor	Jorge Leitão (Supervisor) & Rute Rio (Supervisor)