Zarkova Atanasova, J., Zlatanovska, K., Proseva Pelivanova, L., Atanasova, S., Nikolovski, B., Longurova, N., & Apostoloski, P. (2026). Spectrophotometric Evaluation of Natural Tooth Color Distribution Across Three Dental Shade Guide Systems. European Scientific Journal, ESJ, 22(18), 1. https://doi.org/10.19044/esj.2026.v22n18p1