“…The comparison of salivary LDH levels between OSMF and healthy subjects was statistically significant (p < 0.001). Our study findings were consistent with the study conducted by Sivaramakrishnan et al, 3 Kallalli et al, 1 Bhambal et al, 2 Shetty et al, 16 Rathore et al, 9 Pereira et al, 6 and Muralidhar et al 14 According to WHO 2005, oral leukoplakia is defined as a predominantly white patch or plaque that cannot be characterized clinically or pathologically as any other disorder; oral leukoplakia carries an increased risk of cancer development either in or close to the area of leukoplakia or elsewhere in the oral cavity or the head and neck region. 17 Malignant transformation rate of oral leukoplakia varies from 0.13 to 34%.…”