Effects of Estrogen Status and Aging on Salivary Flow Rates in Healthy Caucasian WomenStreckfus C.F. · Baur U. · Brown L.J. · Bacal C. · Metter J. · Nick T.
a University of Mississippi Medical Center, School of Dentistry, Jackson, Miss., USA; b German Academic Exchange Service (DAAD), Bonn, Germany; c Johns Hopkins Bayview Medical Center, Baltimore, Md., d Gerontology Research Center, National Institute of Aging, National Institutes of Health, and e DEODP, National Institute of Dental Research, National Institutes of Health, Bethesda, Md., USA
A comparison of salivary flow rates was made between three groups of female individuals according to their menopausal status. The three groups consisted of healthy, dentate, nonmedicated women (with the exception of the use of estrogen) from the Baltimore Longitudinal Study of Aging. One group consisted of premenopausal women (n = 51), their mean age was 39 years. Another group (n = 26) was perimenopausal with a mean age of 48 years. A third group (n = 76) was postmenopausal with a mean age of 69 years. The groups were evaluated for unstimulated (UPAR) and stimulated parotid gland flow rates (SPAR), unstimulated (USUB) and stimulated submandibular/sublingual gland flow rates (SSUB), and stimulated whole-saliva flow rates (SWHOLE). The parotid flow rates were determined using a Carlson-Crittenden cup, while the submandibular/sublingual flow rates were determined using the National Institute of Dental Research collector. A 2% citrate solution was used for stimulation in glandular collections. Chewing a 1-cm3 cube of paraffin was used to stimulate whole saliva. The results showed no significant differences in UPAR, SPAR, and SWHOLE between the three groups. However, the premenopausal women had higher USUB than the postmenopausal group. The premenopausal women also had higher SSUB than perimenopausal and postmenopausal groups. There were no differences in salivary flow rates between those taking estrogen and those that were not medicated.
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