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Updated: Apr 4, 2026

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Systematic Assessment of Mammalian Skull Specimens for Dental and Temporomandibular Joint Pathology
Published on: August 22, 2022
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[Visual perception of dentition esthetic parameters (part 2)]
A N Ryakhovskiy1, Ya A Kalacheva1
1Central Research Institute of Dentistry and Maxillofacial Surgery Ministry of Health of Russia, Moscow, Russia.
Summary
This study quantitatively assessed how tooth dimensions and appearance affect smile perception. Objective measurements of dental aesthetics correlate linearly with subjective evaluations, enabling precise assessment before and after treatment.
Area of Science:
- Dentistry
- Dental Aesthetics
- Visual Perception
Context:
- Assessing smile aesthetics involves subjective patient perception and objective clinical measurements.
- Understanding the correlation between quantifiable dental parameters and visual appeal is crucial for effective treatment planning.
Purpose:
- To investigate the relationship between specific dentition aesthetic parameters and their impact on visual perception.
- To establish linear correlations between objective measurements and subjective assessments of smile aesthetics.
Summary:
- The study compared objective data on tooth length (incisal edge and gingival margin), width, shape, and brightness with subjective respondent perceptions.
- Linear regression equations were derived to describe the observed correlations between objective parameters and subjective visual perception.
Impact:
- The findings provide a quantitative method for assessing smile aesthetics.
- This approach can be utilized for objective evaluation of dental esthetics before and after various dental procedures.
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