“Gingival Pigmentation and Its Association With Skin Complexion and Periodontal Status Among Patients Attending a Tertiary Hospital in Nigeria: A Cross-Sectional Study”. Nigerian Dental Journal 34, no. 1 (March 18, 2026). Accessed March 18, 2026. https://www.nigeriandentaljournal.ng/index.php/ndj/article/view/408.