Abstract
Introduction: Interrelationship of facial soft tissue components plays key role in establishing
the facial esthetic perception. Chin prominence has relation with the esthetic look of nose and
lips. Hence the objective of the present study was to determine the mean attractiveness score of
various positions of chin with concomitant changing the positions of lower lip among the
Pakistani orthodontists and laypersons.
Material and Methods: This cross sectional survey was conducted at de’Montmorency
College of Dentistry, Pakistan. 100 respondents were enrolled. Informed consent and
demographic information was taken. A silhouette of an idealized profile image was made. This
profile picture was modified to create 6 images each for different degrees of chin prominence
and lower lip.The score of attractiveness was distinguished by both orthodontists and
laypersons for all images.
Results: The study results showed that in images 1 to 7, where lip and chin moved together in
sagittal plane, statistically significant differences were found between the study groups except
for image number 5. In images 8 to 14, where only chin moved in sagittal plane, statistically
significant difference was found between the study groups except for image 8, 9 and 14.
Conclusions: Laypersons and orthodontists both ranked retrusive profiles more attractive
than protrusive profiles. In profiles with protrusive chin, more protrusive lower lip position
was preferred, while with a retrusive chin, normal lower lip posture was preferred.
Ali Razae, Waheed Ul Hamid, Arfan Ul Haq, Muhammad Azeem, Muhammad Usman Ghani, Ayesha Ashraf. (2020) Orthodontists’ and laypersons’ perception of chin attractiveness in relation to lower lip position, Pakistan Orthodontic Journal, Volume 12, Issue 1.
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