Abstract
Estimates of the concentration of soluble substances in the oral fluids have generally been obtained by the analysis of whole saliva, either mixed in the mouth or obtained directly from the salivary duct. Such values may give little indication of concentrations at any particular site in the mouth. This is partly because substances do not always move easily about the mouth and also because there are large regional differences between the rates of oral clearance or retention of substances dissolved in saliva. Differential patterns therefore develop and are related, via the patterns of salivary flow, to the anatomy and physiology of the mouth. There are general features in these patterns common to all mouths and variations, which relate to characteristics of the individual, which may influence the rates of reactions occurring at different sites. The patterns may be associated with the site-specific patterns of dental disease, and they may have implications with regard to the best use of pharmaceutical agents. This paper describes some of the more recent data, problems and future possibilities in this hitherto unexplored area of oral physiology
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Weatherell, J., Robinson, C. & Nattress, B. Site-specific variations in the concentrations of substances in the mouth. Br Dent J 167, 289–292 (1989). https://doi.org/10.1038/sj.bdj.4807003
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DOI: https://doi.org/10.1038/sj.bdj.4807003
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