Abstract
ObjectivesThe study aimed to (1) determine the impact of maxillary incisor inclination on profile view esthetic perception, (2) determine the most esthetic inclination and correlate it with a profile view, and (3) evaluate the difference in the perception of orthodontists, dentists, and laypeople toward incisor inclination attractiveness in Saudi Arabia.Materials and methodsA well-balanced smiling photograph of a male adult who fulfilled the criteria for soft tissue and cephalometric values was taken from a profile view. The photograph was modified to stimulate three inclinations toward the labial and palatal side each. The most retroclined photograph showed −15° inclination, and the most proclined photograph showed +15° inclination, with the originally taken photograph being neutral at 0° inclination. Thus, we obtained seven photographs with 5° of difference between each. All photographs were randomly distributed in a questionnaire form filled by 135 participants.ConclusionThe most attractive reported inclination was −5° inclination, while the least attractive inclination was +15° inclination. Excessive proclination has been less desirable than retroclination. The profile smiling view is very useful in evaluating the inclination of the labial face tangent and should be considered a standard view for orthodontic photographic records.
Highlights
A smile is a very important facial characteristic, being a very frequent facial expression
Regarding the anatomic position of teeth, an agreement exists between orthodontists and dentists on the majority of general anatomic features and teeth position, some details, such as the labiolingual inclination of maxillary incisors, are still disputed in literature and clinical practice
A chi-square test was done to understand the preferred inclination for each group, and it was concluded that orthodontists preferred the initial inclination of 0°, dentists preferred the inclination of −5°, and laypeople preferred the inclination of −10°
Summary
A smile is a very important facial characteristic, being a very frequent facial expression. Regarding the anatomic position of teeth, an agreement exists between orthodontists and dentists on the majority of general anatomic features and teeth position, some details, such as the labiolingual inclination of maxillary incisors, are still disputed in literature and clinical practice Attention to such details is important as patients tend to be more esthetically demanding of certain dental features, considering the influence that media can have on esthetic standards [1]. Cao et al indicated that incisors are preferred to be upright or slightly retroclined, and it was mentioned that proclination could ruin an esthetically pleasing smile [1] To resolve this dispute, at least among the Saudi population, it is important to conduct a similar study. This study had three major purposes: (1) to determine the impact of maxillary incisor inclination on the esthetic profile view perception, (2) to determine the most esthetic inclination and correlate it with the facial features of a profile view, and (3) to evaluate the difference in the perception between orthodontists, dentists, and laypeople toward the attractiveness of incisor inclination in Saudi Arabia
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