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Esthetic Perception of Width/Length Ratio in Maxillary Anterior Teeth Among Preclinical and Clinical Dental Students.

Esthetic Perception of Width/Length Ratio in Maxillary Anterior Teeth among Preclinical and Clinical Dental Students. Nisa Emir1, Zeliha Şanıvar Abbasgholizadeh2, Buket Evren3 Marmara University Faculty of Dentistry Department of Prosthodontics, İstanbul/Turkey Purpose: Many studies have examined the esthetic preferences of professionals in the maxillary anterior region; however, only a few have taken into account the ratios that are more frequent within the population or other ratios suggested in the literature as ideal. The purpose of this study is to evaluate the differences when perceiving the esthetics of smiles between preclinical and clinical dental students, and linking them with the width/length of the maxillary anterior teeth. Materials and Methods: Photographs of the full face of a male subject were modified with Photoshop CS regarding the length/width relationships of the 6 maxillary anterior teeth. The three modifications made were: (a) 80% length/width, (b) 85%, length/width, and (c) 85% length/width in central incisors, 80% length/width in lateral incisors and canines. Six photogtaph pairs were created with different ratios and presented to a sample of 300 preclinical (first and second year) and 300 clinical (fourth and fifth year) dental students. Students were requested to choose the most attractive smile between pairs according to their esthetic preferences. Results: According to 300 dental students (40% male and 60% female) with ages ranging from 18 to 24 years old, facial symmetry is the most important parameter when they met a person. 80% length/width of maksillary central lateral incisors and canines was found the most attractive ratio in both preclinical and clinical students. Conclusions: Different ratios have been described for the ideal size of the maxillary anterior teeth, but most are not based on studies on real proportions of natural anterior teeth. Beside other esthetic parameters of smile, individual teeth width/length ratio is found to be important in smile esthetics. Keywords: Width/length ratio, esthetic perception, smile esthetics

NİSA EMİR
TPID
Turkey

Zeliha Şanıvar Abbasgholizadeh
TPID
Turkey

Buket Akalın
TPID
Turkey

 


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