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Film-forming properties and viscosities of saliva substitutes and human whole saliva
Malmö högskola, Faculty of Odontology (OD).ORCID iD: 0000-0003-3602-9449
Malmö högskola, Faculty of Odontology (OD).
Malmö högskola, Faculty of Health and Society (HS).
2000 (English)In: European Journal of Oral Sciences, ISSN 0909-8836, E-ISSN 1600-0722, Vol. 108, no 5, p. 418-425Article in journal (Refereed) Published
Abstract [en]

Hypo-salivation, related to medical remedies, is an increasing clinical problem. Studies report a weak correlation between subjective mouth dryness and objective sialometry. This indicates that both quantity and quality of saliva are important for the surface-associated functions of saliva, such as lubrication and hydration, to be expressed. Film-forming properties and viscosities of three saliva substitutes were compared to human saliva. Adsorption to surfaces was measured by ellipsometry, infrared spectroscopy and drop-volume technique. Viscosity measurements were carried out using an oscillating rheometer. Saliva, with the lowest viscosity value and the highest protein content, presented superior film retention on both hydrophilic and hydrophobic surfaces. The carboxymethylcellulose-based MAS 84 showed intermediate values of viscosity, poorest ability to reduce surface tension, and negligible film-forming capacity. The porcine mucin-based Saliva Orthana showed about twice the viscosity of saliva and film-forming capability on preferably hydrophobic substrates. Salinum, a linseed extract, possessed the highest viscosity value and an initial surface tension close to that of saliva. The film retention on hydrophilic surfaces was not as effective as for saliva. The results indicate that the film-forming capacity of saliva substitutes is a property also to be considered in the exploration of clinically effective artificial salivas.

Place, publisher, year, edition, pages
2000. Vol. 108, no 5, p. 418-425
Keywords [en]
saliva, saliva substitutes, viscosity, film formation, adsorption
National Category
Dentistry
Identifiers
URN: urn:nbn:se:mau:diva-14858DOI: 10.1034/j.1600-0722.2000.108005418.xISI: 000089850000009PubMedID: 11037758Scopus ID: 2-s2.0-0034304254Local ID: 4065OAI: oai:DiVA.org:mau-14858DiVA, id: diva2:1418379
Available from: 2020-03-30 Created: 2020-03-30 Last updated: 2024-02-05Bibliographically approved

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Christersson, CeciliaLindh, LiselottArnebrant, Thomas

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