Abstract
ABSTRACT Objective: To assess salivary biomarkers for dental caries susceptibility and mental stress in young adults with perceived facial pain. Methods: Males and females who reported facial pain and pain-free controls participated in this study. Facial pain was investigated using the RDC/TMD. Unstimulated saliva was then collected for the evaluation of salivary flow rate (SFR), pH, Streptococcus mutans counts, morning cortisol, and S-IgA. Results: Women with facial pain had significantly lower SFR values, and the facial pain group showed different correlations among biomarkers for caries susceptibility and cortisol levels when compared to controls. Notably, higher SFR values were associated with a lower likelihood of having facial pain. Conclusion: Differences in SFR values, particularly in women, and markedly distinct interactions among the salivary biomarkers analyzed were observed between individuals with facial pain and pain-free controls. Hence, a connection between the dynamics of saliva, stress response, and facial pain perception might exist.
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