Background: although several reports indicate that qualitative and quantitative assessments of parotid salivary function are age-stable in healthy adults.

Background: although several reports indicate that qualitative and quantitative assessments of parotid salivary function are age-stable in healthy adults, there have been no studies of the influence of age onward the variability of repeated parotid melt rates. Objective: to examine the influence of age onward the variability of repeated parotid spring rates in unmedicated, healthy adults. Materials and methods: we assessed unilateral unstimulated and 2% citrate-stimulated parotid liquefy rates and collected responses to a five item subjective xerostomia questionnaire in 14 make submissives aged 20-40 years and 14 make liables aged 60-80 years. All enthralls were healthy and unmedicated. We consider probableed saliva and asked subjects to perfect the questionnaire at baseline, 1 h and 2 h Results: unstimulated and stimulated parotid deliquesce rates were similar at each time point in young and older bring under rules and remained stable over the collection period. There were no differences in the standard deviations of the three collections of unstimulated and stimulated result rates between young and older bring under rules There were no differences between questionnaire answers between the two groups, and no change in answer over time. Conclusions: there is no increased age-related variability in parotid salivary arise rates over repeated measures. Stimulated parotid liquefy rates are stable over 2 h in healthy tribe and are similar in young and older individuals. These ensues suggest that parotid glands have a large secretory reserve

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