The Correlation of DSD Teeth Outline Ratios to Q-Sort Smile Assessment and Smile Mesh Analysis
DOI:
https://doi.org/10.37506/ijfmt.v15i1.13571Keywords:
Digital smile design, Q-sort, Smile mesh, Tooth outline.Abstract
Smile beauty is considered the main goal in many cosmetic or orthodontic dental treatments. However
many objective and sujectives methods were developed to evaluate smile attractivesness depending on many
variables. The purpose of this study was to develop a new method based on digital smile design teeth
outlines ratios for smile esthetic evaluation and to correlate this method with Q-sort assessment method
and smile mesh variables. Frontal posed smile photograph of 48 individuals were subjected to smile mesh
measurments, digital smile design (DSD) and Q-sort assessment method. The areas of DSD teeth outlines
were measured using image J software in addition to the teeth areas lie in the outlines to calculate the ratio
of each individual tooth area to its outline area and the total teeth areas to totsl outlinrs area.
The results showed a significant correlation between the new method and Q-sort asseseement method,
additionally there was a significant difference in individual and total teeth outlines ratios between the
pleasant and unpleasant smile groups.
Conclusions It was found that Digital smile design teeth outline ratios method could be considered as a
valuable tool for evaluation of smile esthetics.
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