| Summary: | This study examined the impact of color vision deficits on shade selection accuracy among 119 Portuguese dental students. Only males displayed color vision deficiencies (4/119). Participants completed an Ishihara color vision screening test and a shade selection test using the VITAPAN classical scale. Overall, 59.4% of students correctly matched shades. No significant gender difference was found. Matching shades was easier in the order of C > B > A > D, with darker shades posing more difficulty. Color vision deficiencies did not significantly affect accurate tooth shade selection. However, males showed a higher prevalence of color vision deficiencies, and shade matching ease varied based on matice.
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