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Oral Health Assessment by Lay Personnel for Older Adults
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Tooth Shade Preferences among the General Public.

Balqees Almufleh1,2, Elham Emami1, Aliaa Al-Khateeb3

  • 1Faculty of Dentistry, McGill University, Montreal, Quebec, Canada.

Journal of Prosthodontics : Official Journal of the American College of Prosthodontists
|June 18, 2020
PubMed
Summary

Laypersons overwhelmingly prefer the lightest tooth shade (1M1), with high value, neutral hue, and low chroma, irrespective of skin tone. Age was a significant factor in tooth shade preference.

Keywords:
Tooth valuecolor characteristicspreferencessurveytooth chromatooth hue

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Area of Science:

  • Dental Aesthetics
  • Consumer Perception
  • Human Factors

Background:

  • Tooth shade significantly impacts perceived attractiveness.
  • Understanding public preferences is crucial for cosmetic dentistry.
  • Previous research has not comprehensively linked tooth shade preference to observer and patient factors.

Purpose of the Study:

  • To determine laypersons' most preferred tooth shade.
  • To analyze the influence of observer demographics and patient skin shade on tooth shade preference.

Main Methods:

  • Two online surveys were conducted with computer-generated perioral images.
  • Participants (n=190) evaluated tooth shade preferences across various skin tones and demographic backgrounds.
  • Ordinal logistic regression analyzed predictors of preferred tooth shades.

Main Results:

  • A majority preferred high value (54%), neutral hue (59%), and low chroma (89%) tooth shades.
  • The lightest shade (1M1) was preferred by 75% of participants, independent of skin color or demographics.
  • Observer age was a significant predictor of preferred tooth shade (p=0.019).

Conclusions:

  • Common preferences for tooth shade value, hue, and chroma exist among the general public.
  • These findings are consistent across diverse demographic variables and facial skin shades.
  • The study provides valuable data for dentists in clinical tooth shade selection.