The TFF3 and salivary flow rates between both groups were comparable (TFF3 non‐OSA 61.06 vs. OSA 96.00 ng/mg; p = .276 and flow rate non‐OSA 0.40 vs. OSA 0.35 mL/min; p = .320, respectively). The gene discussed is TFF3; the disease is obstructive sleep apnea syndrome.