Minor salivary gland secretion in children and adults

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Minor salivary gland secretion in children and adults

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Publication Article, peer reviewed scientific
Title Minor salivary gland secretion in children and adults
Author(s) Sonesson, Mikael ; Eliasson, Lars ; Matsson, Lars
Date 2003
English abstract
The minor salivary glands are of great importance in the physiology and pathology of the oral cavity. So far, studies of the minor glands have concentrated on adults. In the present study, minor salivary gland secretion was studied in the buccal and labial mucosa of 3-year-old children, adolescents and young adults. In addition, the number of glands per surface area was assessed in the labial mucosa. A total of 90 individuals were included, 30 in each age-group. Saliva was collected on filter paper discs and the salivary secretion rate was measured using a Periotron 8000. The number of secreting labial glands was assessed on PAS-stained filter paper discs under a microscope. Salivary secretion in the buccal mucosa was found to be age-related, with a statistically significant lower rate of secretion (P=0.003) in the 3-year-olds (mean 7.7 microl x cm(-2) x min(-1)) compared with the young adults (11.9 microl x cm(-2) x min(-1)). No significant differences between the sexes were noted. For the labial glands, no age- or sex-related differences were found. In all age-groups, salivary secretion was significantly higher in the buccal than in the labial mucosal area. A statistically significant difference in number of secreting glands was found between all age-groups, with a decreasing number of glands per surface unit with age. The number of glands was significantly lower in males compared with females in the group of adults. The lower rate of buccal salivary secretion in the young children may imply that the oral mucosa is more vulnerable to external injury and that caries protection on the buccal molar surfaces is lower. Previous studies indicate that adults with a reduced rate of minor salivary gland secretion are more susceptible to caries.
DOI http://dx.doi.org/10.1016/S0003-9969(03)00086-4 (link to publisher's fulltext)
Publisher Elsevier
Host/Issue Archives of Oral Biology;7
Volume 48
ISSN 0003–9969
Pages 535-539
Language eng (iso)
Subject(s) Minor salivary glands
Salivary secretion rate
Research Subject Categories::ODONTOLOGY
Handle http://hdl.handle.net/2043/2973 (link to this page)

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