M. . alhothali, mayar Subahi, T. Nazer, A. . Alzahrani, and A. . Marghalani, “Effectiveness of Oral Hygiene Instructions to Improve Plaque and Gingival Indices. A Randomized Control Trail ”, J Cont Dent Sci, vol. 2, no. 2, pp. 21–25, Jul. 2025.