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Differences of Tooth Colorimetric Parameters L*a*b* Depended on Age
Teuta Pustina Krasniqi1, Zana Lila-Krasniqi1, Nexhmije Ajeti2
1Rectorate of the University of Prishtina, Vice Rector for Quality Assurance and Development; Medical Faculty, University of Prishtina, Prosthetic Dentistry, Dental Branch, Prishtina, Kosovo.
Tooth color changes with age, with lightness (L*) decreasing and the red-green (a*) and yellow-blue (b*) parameters shifting as individuals age from 20 to 49. This study analyzed dental colorimetric parameters in relation to age.
Area of Science:
- Dental Science
- Colorimetry
- Aging Research
Background:
- Tooth color is influenced by intrinsic and extrinsic factors.
- Understanding age-related color changes is crucial for esthetic dentistry.
Observation:
- This study analyzed colorimetric parameters (L*a*b*) of 2295 teeth in 255 subjects aged 20-49.
- Subjects were categorized into three age groups: 20-29, 30-39, and 40-49 years.
Findings:
- A statistically significant difference in colorimetric parameters was observed across age groups (P < 0.001).
- Lightness (L*) decreased with age, from 83.2 in younger adults to 79.4 in older adults.
- Parameter a* shifted from -0.7 to -0.5, and parameter b* ranged from 21.7 to 23.9 with increasing age.
Implications:
- Age-related changes in tooth color should be considered in dental esthetic treatments.
- The findings provide objective data for age-specific dental color analysis.
- Spectrophotometric analysis offers a reliable method for quantifying dental color parameters.
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