Comparative Study of Dental Plaque and Calculus Accumulation among Cigarette Smokers, Hookah Users, and Non-Smokers in Taiz City, Yemen. Yemeni J Med Sci [Internet]. 2025 Aug. 31 [cited 2025 Sep. 19];19(9). Available from: https://journals.ust.edu/index.php/yjms/article/view/3149