Correlation of serum trace elements (Fe, Cu, and Zn) in the blood samples of Indian patients with leukoplakia, oral squamous cell carcinoma, and normal subjects.

Context: Trace elements (iron, copper, and zinc), leukoplakia, and oral squamous cell carcinoma.

Aims: To study and correlate serum trace element (iron, copper, and zinc) levels in leukoplakia, oral squamous cell carcinoma, and normal subjects.

Settings And Design: The present study comprised a total of 80 patients, which included 30 patients of leukoplakia, 30 patients of oral squamous cell carcinoma, and the normal control group comprising 20 healthy individuals who were not having any relevant medical, dental, and habit history.