PREVALENCE AND ASSOCIATED RISK FACTORS OF DENTAL STAINS AMONG SCHOOL-GOING CHILDREN IN TALASH DIR (LOWER) KHYBER PAKHTUNKHWA. Ann Allied Health Sci. [Internet]. 2021 Dec. 31 [cited 2026 Nov. 1];7(2):52-5. Available from: http://www.aahs.kmu.edu.pk/index.php/aahs/article/view/121