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THE TOOTH SHADE MATCHING ABILITY AMONG DENTAL PROFESSIONALS: A COMPARATIVE STUDY
G E Adebayo1, O S Gbadebo1, M D Ajayi1
1Department of Restorative Dentistry, Faculty of Dentistry, College of Medicine, University of Ibadan/University College Hospital, Ibadan, Nigeria.
Annals of Ibadan Postgraduate Medicine
|April 3, 2023
Summary
Dental professionals exhibit low agreement in visual shade matching, highlighting the need for improved training. This study reveals significant variability in shade selection accuracy among different dental professional categories.
Area of Science:
- Dentistry
- Dental Materials Science
- Color Science
Background:
- Accurate shade matching is crucial in restorative dentistry for aesthetic outcomes.
- Visual shade selection is a complex cognitive process requiring significant operator skill.
- Variability in shade matching can lead to patient dissatisfaction and increased treatment costs.
Purpose of the Study:
- To compare the shade matching ability of three distinct dental professional categories.
- To evaluate the inter-examiner reliability of conventional visual shade selection.
- To identify potential factors influencing accurate tooth shade selection.
Main Methods:
- A cross-sectional study involving conventional visual tooth shade selection.
- Three calibrated categories of dental professionals performed shade selection using a classical shade guide.
- Data from 24 patients were analyzed using IBM SPSS, with statistical significance set at p ≤0.05.
Main Results:
- Inter-examiner reliability was very low (0.11), with agreement on only 3.8% of teeth among all three examiners.
- The highest agreement between any two examiners was 30.8% (house officer and consultant).
- Consultants achieved the best agreement with spectrophotometer readings (11.5%).
Conclusions:
- Conventional visual shade selection demonstrates poor inter-examiner reliability.
- Enhanced training in color science and shade selection techniques is recommended for dental professionals.
- Further research is needed to improve the accuracy and consistency of dental shade matching.
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