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International journal of interdisciplinary dentistry

versión impresa ISSN 2452-5596versión On-line ISSN 2452-5588

Resumen

ANGEL, Pablo et al. Use of a new clinical photographic-computational protocol to register the ultraviolet-induced visible fluorescence in human teeth. Int. j interdiscip. dent. [online]. 2021, vol.14, n.2, pp.148-151. ISSN 2452-5596.  http://dx.doi.org/10.4067/S2452-55882021000200148.

Human teeth experience visible fluorescence when subjected to ultraviolet radiation, which varies in color as the tooth ages.

Objective:

The present study sought to develop a simple clinical protocol using digital photography and computational analysis to determine the difference in visible fluorescence induced by ultraviolet radiation (FVIUV) in anterior teeth of patients of different age groups.

Materials and Methods:

35 participants from five age groups were recruited. 70 upper central incisors were photographed using UV light as the illumination source. Each image obtained was analyzed with ImageJ computer software to obtain the color coordinates in CIELab space for the entire crown. The data obtained was analyzed using the ANOVA and Tukey HSD post-hoc statistical tests.

Results:

Visible fluorescence magnitudes were obtained in the three dimensions of the CIELab color space in the complete crown. This FVIUV was registered in the spectrum of the blue-green color for all age groups, which presented differences in saturation and luminosity according to age group.

Conclusions:

The protocol applied in this study allowed the quantification of dental FVIUV in different age groups.

Palabras clave : Fluorescence, Age Groups; Ultraviolet Rays; Color; Tooth; Esthetics.

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