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Ab s t r Ac t Aim: To estimate the serum levels of copper (Cu) and zinc (Zn) in oral submucous fibrosis (OSMF) patients residing in the rural area. Materials and methods: The current study included 100 participants after receiving their written consent. The participants were broadly divided into group I (OSMF patients) and group II (Control), comprised of 70 and 30 individuals, respectively. The participants in group I were further categorized into three groups based on their clinical severity into group IA, group IB, and group IC corresponding to clinical stage I, stage II, and stage III OSMF, respectively. Intravenous blood was collected under a sterile environment in the plane bulb. Serum was separated and samples were stored at −40°C until use. The samples were returned to room temperature and serum Cu and Zn levels were estimated by a calorimetric test using Dibromo-PAESA method described in the kit manufactured by Centronic GmbH. Results: There were 30 participants in group IA, 25 participants in group IB, and 15 participants in group IC. Serum Cu level was significantly increased in all OSMF patients (mean = 195.305 μg/dL) in comparison with the control group and there was an increase in serum Cu level with an increase in the disease severity. Zinc level was decreased with a mean value of 80.12 μg/dL in comparison with the control group. Besides, the value decreased with an increased disease severity. Conclusion: This study reveals that these trace elements are involved in the pathophysiology of OSMF. Serum Cu and Zn levels can be used as a diagnostic tool for the early diagnosis of OSMF. Clinical significance: Serum Cu and Zn can be used as a marker to assess the OSMF disease severity. Being an important entity in the pathogenic mechanism of OSMF, their estimation may prove to be useful to dental surgeons in planning the treatment to the patients.

Estimation of Serum Copper and Zinc in Patients of Oral Submucous Fibrosis in Rural Population