Validation of a Portable Digital Skin Tone Sensor Compared to Fitzpatrick Skin Type Scale for Tooth Shade Matching in Esthetic Dentistry. (2026). مجلة جامعة صنعاء للطب والعلوم الصحية, 20(1), 485-488. https://doi.org/10.59628/jchm.v20i1.2516