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The Scientific World Journal
Volume 2014, Article ID 268634, 9 pages
http://dx.doi.org/10.1155/2014/268634
Clinical Study

Sialometry of Upper Labial Minor Glands: A Clinical Approach by the Use of Weighing Method Schirmer’s Test Strips Paper

1Department of Pathology, Faculty of Medicine, University of Brasilia, Campus Universitario Darcy Ribeiro, 70910-900 Brasilia, DF, Brazil
2Department of Dentistry, Faculty of Health Science, University of Brasilia, Campus Universitario Darcy Ribeiro, 70910-900 Brasilia, DF, Brazil
3Private Practice, 65 Hatamar Street Harutzim, 60917 Harutzim, Israel
4Private Practice, SCN Qd.5 No. 50 torre norte sala 1122, 70715-900 Brasilia, DF, Brazil

Received 28 October 2013; Accepted 1 January 2014; Published 9 March 2014

Academic Editors: H.-J. Haga, L. Misery, and I. Tomas

Copyright © 2014 Denise Pinheiro Falcão et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

Objectives. To establish referential values ranges of hyposalivation and normosalivation for the salivary flow rate (SFR) of upper labial (LS) and palatal (PS) mucosa using Schirmer's test strips paper and as a second goal to determine the values ranges of the SFR of palatal (PS) and upper labial (LS) mucosa in subjects with and without xerostomia. Methods. A cross-sectional study was conducted among subjects distributed in three groups according to their unstimulated and stimulated whole saliva. Results. 144 subjects were enrolled in groups as follows: severe hyposalivation ( ), mild hyposalivation ( ), and normosalivation ( ). The mean and the 95% confidence interval for the LS flow rate (μL/cm2/min) were 3.2 (2.46 to 3.94), 5.86 (4.96 to 6.75), and 9.08 (7.63 to 10.53) ( ) for each group, respectively. The PS results were 1.01 (0.68 to 1.34), 1.72 (1.31 to 2.13), and 2.44 (1.66 to 3.22) ( ). Xerostomia complainers presented lower rates of LS (5.17 (4.06 to 6.23)) than non-complainers (7.33 (6.4 to 8.27)) ( ). Conclusions. The test was reliable to provide referential values ranges for LS flow rate measurement and was shown to be valid to distinguish normosalivation from severe and mild hyposalivation and also to predict xerostomia.