Validation of a Hyperspectral Imaging System for Color Measurement of In-Vivo Dental Structures
Abstract
:1. Introduction
2. Materials and Methods
2.1. Participants
2.2. Experimental Set-Up
2.3. Data Acquisition and Processing
2.4. Evaluation of Color Differences
3. Results
4. Discussion
5. Conclusions
- The color differences between adjacent teeth exceed the acceptability threshold for adjacent teeth but are lower than the perceptibility threshold between contralateral teeth.
- The color differences between the different parts (thirds) of the same tooth were always higher than the color difference acceptability threshold for dentistry.
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Acknowledgments
Conflicts of Interest
References
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ULI1 | UCI1 | UCI2 | ULI2 | |||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
L* | a* | b* | L* | a* | b* | L* | a* | b* | L* | a* | b* | |
Cervical | 68.78 (4.58) | 8.60 (1.38) | 19.36 (2.54) | 75.34 (5.30) | 6.84 (1.14) | 18.85 (2.83) | 74.70 (5.30) | 7.08 (1.34) | 18.58 (2.93) | 67.97 (4.90) | 8.61 (1.12) | 18.90 (2.69) |
Middle | 70.95 (4.89) | 4.79 (1.00) | 16.94 (2.89) | 79.02 (5.67) | 2.82 (0.77) | 16.18 (2.61) | 78.51 (5.58) | 3.08 (0.98) | 16.18 (3.04) | 70.65 (5.29) | 4.71 (1.03) | 16.86 (2.63) |
Incisal | 67.01 (4.65) | 4.51 (1.07) | 12.53 (2.66) | 73.70 (4.64) | 2.99 (1.07) | 14.35 (2.75) | 73.39 (5.08) | 3.25 (1.16) | 14.42 (2.90) | 66.54 (5.48) | 4.59 (1.47) | 12.68 (2.68) |
Study | Color Measurement System | Sample Size | L* | a* | b* |
---|---|---|---|---|---|
Djozic et al. [28] | Digital photography | 50 | 73.8 (5.7) | −1.3 (1.4) | 15.9 (2.8) |
Djozic et al. [8] | Digital photography | 100 | 83 (*) | −6.00 (*) | 18.00 (*) |
Turgut et al. [35] | Colorimeter | 640 | 80.5 (5.1) | −0.2 (0.4) | 17.1 (3.1) |
Current | Hypespectral Imaging | 60 | 78.76 (5.62) | 2.95 (0.87) | 16.18 (2.83) |
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Tejada-Casado, M.; Ghinea, R.; Martínez-Domingo, M.Á.; Pérez, M.M.; Cardona, J.C.; Ruiz-López, J.; Herrera, L.J. Validation of a Hyperspectral Imaging System for Color Measurement of In-Vivo Dental Structures. Micromachines 2022, 13, 1929. https://doi.org/10.3390/mi13111929
Tejada-Casado M, Ghinea R, Martínez-Domingo MÁ, Pérez MM, Cardona JC, Ruiz-López J, Herrera LJ. Validation of a Hyperspectral Imaging System for Color Measurement of In-Vivo Dental Structures. Micromachines. 2022; 13(11):1929. https://doi.org/10.3390/mi13111929
Chicago/Turabian StyleTejada-Casado, Maria, Razvan Ghinea, Miguel Ángel Martínez-Domingo, María M. Pérez, Juan C. Cardona, Javier Ruiz-López, and Luis Javier Herrera. 2022. "Validation of a Hyperspectral Imaging System for Color Measurement of In-Vivo Dental Structures" Micromachines 13, no. 11: 1929. https://doi.org/10.3390/mi13111929