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Objectiveβ2 microglobulin one of the biomarkers which are used to oral malignancy and pre-malignance lesion diagnosis. The components of the microglobulin system can help in growing and development of tumors directly or indirectly. The current study aims to evaluate the salivary β2- microglobulin level in malignance and pre-malignance lesion. The statistical population of research consists of 75 people which 25 people were healthy, 25 were infected by oral Lichen Planus (OLP) and remaining were infected by squamous cell carcinoma (SCC). The salivary data was performed by none –stimulated spitting method. The sample was performing during 9-12 AM and samples were transmitted to the laboratory immediately and salivary beta2microglobin was recorded based on the factory instructions by ELISA optical density method with 45Nm wavelength for each sample. Data analysis was performed by SPSS 24 software and ANOVA and post-hoc least significant difference (LSD) test.ResultsThe salivary β2 microglobulin level in squamous cell carcinoma (SCC) and oral lichen plan (OLP) patient is significantly higher than the healthy group. Therefore, we can use this index as a modern treatment protocol for malignancy and a pre-malignance oral lesion.

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Objectives β2 microglobulin, as a biomarker, is used for the diagnosis of oral malignant and pre-malignant lesions. The components of the microglobulin system can directly or indirectly help grow and develop tumors. The present study aims to compare beta-2 microglobulin levels in patients with lichen planus of the esophagus, oral squamous cell carcinoma, and healthy individuals. Further, it evaluated the salivary β2-microglobulin level in malignant and pre-malignant lesions. Oral lichen planus (OLP) is a chronic skin-mucus disorder. Of the total 75 patients referred to Oral Medicine at Dentistry School of Zahedan University of Medical Sciences, 25 were healthy and 25 had oral lichen planus (OLP) and the rest had squamous cell carcinoma (SCC). To collect the saliva samples, unstimulated spitting was used. They were collected between 9 and 12 a.m. Salivary beta2 microglobulin was recorded based on the factory instructions by ELISA optical density method with 450 nm wavelength for each sample. The data were analyzed using descriptive, Kruskal–Wallis and Mann–Whitney and Pearson’s correlation coefficient (SPSS 21). Results The salivary β2 microglobulin level in patients with squamous cell carcinoma (SCC) and oral lichen plan (OLP) is significantly higher than that in healthy group. Thus, this index is used for assessing early malignant transformation and oral pre-malignant lesion.

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