This study demonstrates that the presence of yeast, but not lactobacillus infection, is related to salivary flow rate. Salivary pH is correlated with the primary infection of both lactobacilli and yeasts. The low output of saliva appears to influence the quantity of lactobacilli more than that of yeasts. The flow rate was lower and the presence of yeasts was higher in females than in males.
No significant influence of age on the stimulated salivary flow rate or pH was observed in a cross-sectional study of unmedicated adults. The females had a lower output than did the males in every age group. A tendency toward higher salivary counts of lactobacilli and yeasts with aging was observed.
Burning mouth syndrome is an oral pain disorder with a prevalence of 5-18% in patient materials. The aim of this study was to determine the prevalence of Burning mouth syndrome in a representative sample of the general adult population. Altogether 431 subjects (237 females, 194 males) participated in the study. Subjects were questioned about the experience of prolonged burning sensation; the site, severity, pattern, duration and possible associations of the onset of the burning sensation, and a thorough clinical examination was performed. In all, 15% of the subjects had experienced prolonged oral burning but a half of them had some clinically observable oral mucosal lesion or oral candidosis. The prevalence of the complaint was significantly higher in females than in males.
Parvinen T, Parvinen I, Larmas M: Stimulated salivary flow rate, pH and lactobacillus and yeast concentrations in medicated persons. Scand J Dent Res 1984; 92: 524-32.Abstract -Flow rate, pH and hu tobacillus and yeast counts of paraflin-stiniulated whole saliva were analyzed in an adult population of 463 medicated persons. Ofthe very large number of drugs only a few groups were found to decrease salivation to such an extent that they can be considered to cause dental harm. Persons using neuroleptics, tricyclic antidepressants or antihypertensives were nevertheless found to produce stimulated saliva at rates significantly lower than unmedicated persons. Age had no influence on the flow rate, but postmcnopausal age seems to predispose medicated women to a decrease in salivary How. Higher microbial counts were found in the medicated men.
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