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VOLUME 20 , ISSUE 8 ( August, 2019 ) > List of Articles


Study of the Role of Salivary Lactate Dehydrogenase in Habitual Tobacco Chewers, Oral Submucous Fibrosis and Oral Cancer as a Biomarker

Tejashree Mantri, Vijayalaxmi Male, Renu Yadav, Girija R Adsure

Keywords : Lactate dehydrogenase, Oral cancer, Oral submucous fibrosis, Saliva, Tobacco pouch keratosis

Citation Information : Mantri T, Male V, Yadav R, Adsure GR. Study of the Role of Salivary Lactate Dehydrogenase in Habitual Tobacco Chewers, Oral Submucous Fibrosis and Oral Cancer as a Biomarker. J Contemp Dent Pract 2019; 20 (8):970-973.

DOI: 10.5005/jp-journals-10024-2619

License: CC BY-NC 4.0

Published Online: 01-04-2019

Copyright Statement:  Copyright © 2019; The Author(s).


Aim: To evaluate the salivary lactate dehydrogenase (LDH) levels in clinico-pathologically confirmed oral submucous fibrosis (OSMF), oral cancer and clinically diagnosed tobacco pouch keratosis patients. Materials and methods: A prospective, comparative study was carried out in a tertiary healthcare centre located in Loni from October 2013 to January 2014. A total of 120 patients were separated into 4 groups depending upon the clinical diagnosis as follows. Group I: healthy control (with no addictions and diseases). Group II: oral cancer. Group III: oral submucous fibrosis. Group IV: habitual tobacco chewers (tobacco addiction without any disease). Substantiation was done using biopsy. The samples were inspected for salivary LDH levels by the technique in line with the recommendations of the International Federation of Clinical Chemistry with the help of Erba Chem semi auto analyser. Results: The mean salivary LDH levels in the control, oral cancer OSMF and habitual tobacco chewer group were 86.12 ± 7.05 IU/L, 592.09 ± 28.57 IU/L, 350.43 ± 5.90 IU/L and 125.19 ± 13.42 IU/L, respectively. Out of 4 groups, LDH activity was increased in saliva of patients with tobacco pouch keratosis, OSMF, and oral cancer consistently. Notable difference was found in the mean salivary levels of the above groups. Results were subjected to appropriate statistical analysis: one-way ANOVA, Student's unpaired t test for group-wise comparison followed by post hoc Tukey's test. Conclusion: We observed congruous higher levels of salivary LDH in oral precancer and cancer, and hence it could be a future marker.

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