Ravi, .D.D.K. , Shunmugavelu, K. and Vijayaselvam, B.S. 2026. Biochemical perspective of gingival crevicular fluid: a diagnostic tool for the detection of periodontal health and diseases – a systematic review. Student’s Journal of Health Research Africa. 7, 3 (Mar. 2026), 14. DOI:https://doi.org/10.51168/sjhrafrica.v7i3.2472.