In order to investigate the beauty of smile, there are some criteria in orthodontic treatment which …show more content…
Materials and methods:
This was a cross-sectional survey performed at the School of Dentistry of the University of Medical Science, Iran.
Standardized frontal extra oral photographs of a young woman with ideally aligned teeth and pleasing smile were taken.
The photos were modified by using Adobe Photoshop CS8 software, and 26 results were created by combination of special grades of each factor in smile esthetic that have been mentioned. The photos were arranged randomly in an album, while each photo consisted of just one modification and was assigned an exclusive code.
Questionnaires were attached to photos for evaluators. Questions include personal information such as age, sex, field and level of education, and being left or right-handed.
The attractiveness of the smile in each photo was assessed by the evaluators and scored a 10 point visual analogue scale with 0 as the least attractive smile and 10 as the most