Nadeem, Asia, and Abdulwahab Al-kholani. 2026. “Validation of a Portable Digital Skin Tone Sensor Compared to Fitzpatrick Skin Type Scale for Tooth Shade Matching in Esthetic Dentistry”. Sana’a University Journal of Medicine and Health Sciences 20 (1):485-88. https://doi.org/10.59628/jchm.v20i1.2516.