Patowary J, Shankar D. Measurement of nickel and chromium level in GCF of patients undergoing orthodontic treatment with or without fluoridated toothpaste. Int. J. of Health Sci. [Internet]. 2022 Mar. 16 [cited 2026 May 24];6(S1):591-6. Available from: https://sciencescholar.us/journal/index.php/ijhs/article/view/4809