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Year 2020

Volume: 6 , Issue: 2

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IP Indian Journal of Orthodontics and Dentofacial Research


Comparative evaluation of facial soft tissue characteristics inherited between parents and off springs in families native of Himachal Pradesh-A photographic study


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Research Article

Author Details : Amit Mehra, Sohinderjit Singh*, Guneet Kour

Volume : 6, Issue : 2, Year : 2020

Article Page : 68-75


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Abstract

Introduction: The form and function of the craniofacial complex is determined by a complex interaction
between genetic and environmental factors thus influencing facial morphology. Facial photographs taken
in a standardized pattern assumes great significance in studying heritability of soft-tissue facial features
between parents and their offspring.
Aim: To evaluate the facial soft-tissue pattern of parents and their offspring with the help of standardized
facial photographs and to find the degree of correlation between them.
Materials and Methods : A total sample of 120 children within the age-group of 16-25 years and their
parents were selected from ethnic Himachal Pradesh population. Standardized photographs (frontal and
right lateral) of entire sample were taken and then traced. Twenty-four parameters involving linear and
proportional measurements were measured.
Results: Statistically significant correlations between parents and their offspring were found for upper
facial height, total facial height, lip length at philtrum, chin projection, upper lip to S line, Nasal
prominence, true vertical to tip of nose, true vertical to subnasale, true vertical to pogonion, vertical lip-chin
ratio. Stronger heritability was found between daughters to their mothers than to their fathers. Sons showed
heritability from both parents for Upper lip prominence to E-line and True vertical to Subnasale.
Conclusion: There was strong evidence indicating genetic contribution for both linear and proportional
parameters. Highest correlations in inheritance of facial features was found between mother and daughter.
Thus, parental data can be used to predict soft tissue facial form of offspring and information from siblings
can also be used.

Keywords: Photographic analysis, Facial proportion, Genetics, Inheritance, Soft tissue Analysis.

Doi : 10.18231/j.ijodr.2020.016

How to cite : Mehra A, Singh S, Kour G, Comparative evaluation of facial soft tissue characteristics inherited between parents and off springs in families native of Himachal Pradesh-A photographic study. IP Indian J Orthod Dentofacial Res 2020;6(2):68-75

Copyright © 2020 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)