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Published on: May 30, 2019
Laypersons' esthetic perception of various computer-generated diastemas: a pilot study
Ali Noureddine1, Hélène Fron Chabouis2, Sarah Parenton3
1Fellow Teacher, Department of Prosthodontics, Faculty of Dentistry, Bordeaux Segalen University; Private practice, Toulouse, France; Assistant Lecturer, Department of Biomaterials (URB2i, EA4462), Clinical Research Unit, Faculty of Dentistry, Paris Descartes University; Doctural student, Paris North 13 University; Teacher, Conservative Dentistry and Endodontics, APHP, Dentistry Service, Charles Foix Hospital.
This study found that simian diastemas were perceived as most attractive, while midline diastemas were least attractive. These findings offer guidance for managing anterior spacing in dental treatments.
Area of Science:
- Dental Aesthetics
- Orthodontics
- Restorative Dentistry
Background:
- Managing excess anterior spacing is a common challenge in dental practice.
- Limited research exists on the aesthetic impact of various anterior diastemas beyond midline spacing.
Purpose of the Study:
- To compare the aesthetic perception of four distinct anterior diastema types.
- Investigate laypersons' views on simian, Frush and Fisher, Lombardi, and midline diastemas.
Main Methods:
- Digital modification of a female facial image to create four types of anterior diastemas.
- Presentation of images to laypersons in public settings for ranking and rating attractiveness.
Main Results:
- Simian diastemas were ranked as most attractive, followed by Frush and Fisher, Lombardi, and midline diastemas.
- Statistical analysis confirmed a hierarchy of aesthetic preference for simian diastemas over others.
- Midline diastemas received the lowest aesthetic scores and ranks.
Conclusions:
- An aesthetic hierarchy exists for different types of anterior diastemas.
- The presence and width of a midline diastema significantly influence negative aesthetic perception.
- Findings can inform clinical decisions regarding the management of anterior spacing.

