Estimation of Salivary Copper, Zinc, Iron, and Copper-to-zinc Ratio in Oral Submucous Fibrosis Patients: A Case-control Study.

Aim: The present study was conducted to test the salivary levels of Cu, Zn, Fe, and Cu/Zn ratio in oral submucous fibrosis (OSF) patients.

Materials And Methods: Thirty-eight patients, aged 18-60 years who were clinically diagnosed with OSF, were considered as cases (group A). Thirty-eight patients without any signs of OSF were considered as controls (group B).