A new assessment in vitro of human salivary lubrication using a compliant substrate.
The lubrication effect of salivary secretions was assessed in terms of separating a rigid object from a compliant substrate. There was little difference among the various secretions of a single donor. The viscosity of salivas increased as a function of time. Neither the friction testing nor viscometry provided an adequate model of the tissue-coating function ascribed to saliva.
Gans
R F
RF
Department of Mechanical Engineering, University of Rochester, NY 14642.
Watson
G E
GE
Tabak
L A
LA
D000328:Adult; D006801:Humans; D066298:In Vitro Techniques; D008153:Lubrication; D008297:Male; D010306:Parotid Gland / Q000378:metabolism; D012463:Saliva / Q000378:metabolism / Q000502:physiology*; D013361:Sublingual Gland / Q000378:metabolism; D013363:Submandibular Gland / Q000378:metabolism; D014783:Viscosity