Objective: To assess and compare the salivary flow rate (SFR), pH and taste perception among oral submucous fibrosis (OSMF) and apparently healthy subjects. Materials and Methods: Ninety subjects (45 OSMF + 45 controls) were enrolled in the study for estimating and analogizing the SFR, pH, and taste perception executing modified Schirmer, pH, and taste strips. The SFR, pH, and taste perception were evaluated and compared between 14 Stage I and 31 Stage II OSMF subjects. The entered data were analyzed using SPSS 21.0 software. Results: A statistically significant decrease in SFR among OSMF group (23.4 mm at 3rd min) and hypogeusia to salty (62.2%), and dysgeusia to sour taste (40%) when compared to apparently healthy subjects (30.7 mm at 3rd min) was noted. Statistical significance (P rd min) juxtaposing with Stage I OSMF (31.4 mm at 3rd min). Statistically significant hypogeusia to salty (n = 23) and sweet (n = 16) and dysgeusia (n = 14) to sour among Stage II OSMF when differentiated with Stage I OSMF. The mean pH among the OSMF and control groups demonstrated no statistical significance. Conclusion: The findings from the study demonstrated marked decrease of SFR and taste perception to salty and sour among Stage II OSMF when compared to Stage I OSMF subjects.
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