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IP Indian Journal of Orthodontics and Dentofacial Research


Comparison of smile esthetics after extraction and non-extraction orthodontic treatment


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Author Details : Veerendra Prasad*, Pradeep Tandon, Gulshan Kumar Singh, Amit Nagar, Rana Pratap Maurya

Volume : 4, Issue : 4, Year : 2018

Article Page : 182-189


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Abstract

Introduction: Smile esthetics is prime objective of modern orthodontic treatment. Effect of tooth extraction on esthetics is controversial. Thus, the aim of this study was to evaluate and compare the smile esthetics after extraction and non-extraction orthodontic treatment.
Materials and Methods: Frontal smiling photographs of 80 orthodontically treated subjects with age range of 18-25 years (mean age 20.16 years) were taken and divided into two groups each having 40 subjects. Group-I were treated with extraction of all first premolars and Group-II were treated without extraction of teeth. Both groups were further divided into two subgroups: Subgroup-A for male and Subgroup-B for female having 20 patients in each subgroup. Smile esthetics and esthetic scores were assessed on frontal photographs by using eight transverse and three vertical linear measurements, seven derived ratios and four other variables. The data so obtained were subjected to statistical analysis.
Results: Statistically non-significant difference for all seven ratios were found between Group I and Group II. On intergroup comparison of other variables, only visible maxillary first molar variable showed statistically significant differences (‘p’<0> No significant correlation of esthetic score with all seven ratios was found in the males and females of Group I and Group II.
Conclusion: No difference was found between smile esthetics of extraction and non-extraction subjects. Thus, decision regarding extraction of teeth in orthodontic patients should not be solely based on smile esthetics but other factors which determine extraction should be considered.

Keywords: Extraction orthodontic treatment, Non-extraction orthodontic treatment, Frontal facial photographs, Smile esthetics, Esthetic score

Doi : 10.18231/2455-6785.2018.0036

How to cite : Prasad V, Tandon P, Singh G K, Nagar A , Maurya R P, Comparison of smile esthetics after extraction and non-extraction orthodontic treatment. IP Indian J Orthod Dentofacial Res 2018;4(4):182-189

Copyright © 2018 by author(s) and IP Indian J Orthod Dentofacial Res. This is an Open Access article distributed under the terms of the Creative Commons Attribution License (CC-BY-NC 4.0) (creativecommons.org)