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The study comprised of dentofacial analysis of 200 North Indian Females. Prior informed written
consent for this study was obtained. The exclusion and inclusion criteria for the subjects were predefined.
The purpose of the study was to analyze the esthetic components of the smile, evaluating the
relationship between the curve formed by the incisal line of the anterior superior teeth and the curve of
the inferior lip, the touch of this incisal line on the inferior lip, the teeth displayed during smile, the
relationship between the facial midline with the arch midline and compared the data with the previous
studies. This standard may serve as a guideline for restoration or enhancement of esthetic and plastic
surgery for smile of north Indian females which will enable the surgeon to offer a better cosmetic result.
Photographs were taken (Smile) using digital camera. Results show that a typical or average smile has
following characteristics -The alignment of upper incisal edge to lower lip is convex, Gingiva does not
show (except interproximal gingiva) , no. of teeth displayed during smile is 8-10 , midline from philtrum
passing through the centre of central incisors and there is no visible bilateral negative space. So, smile is
esthetic in North Indian Females.
Key words: Dentofacial analysis, Smile, North Indian females, cosmetic surgery, lip.