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Snuff-induced lesions of the oral mucosa: an experimental model in the rat
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Surgical Sciences, Oral and Maxillofacial Surgery.
1981 (English)In: Journal of oral pathology, ISSN 0300-9777, Vol. 10, no 5, 342-353 p.Article in journal (Refereed) Published
Abstract [en]

An experimental model in the white rat has been developed in order to study the influence of snuff on oral mucosa. A test canal in the lower lip, with one orifice buccally to the incisors and one on the lip side, was created by surgical means. The connection between the canal and the oral cavity was made to ensure the presence of saliva in the canal so that physiological conditions resembling those of the oral cavity were obtained. The canal was filled with snuff morning and night 5 days a week. The mean value for the maximal retention time of the snuff was 6 h. The animals tolerated the dose and time of exposure without signs of severe toxic symptoms. Histological examination of the canals after 9 months of exposure to snuff showed a mildly to moderately hyperplastic epithelium with hyperorthokeratosis. Locally deep proliferations of epithelium with acanthotic rete pegs could be seen. In the stratum basale hyperplasia with disturbed polarity and hyperchromatic nuclei and single mitosis were noted.

Place, publisher, year, edition, pages
1981. Vol. 10, no 5, 342-353 p.
National Category
Medical and Health Sciences
Identifiers
URN: urn:nbn:se:uu:diva-222027PubMedID: 6801232OAI: oai:DiVA.org:uu-222027DiVA: diva2:710556
Available from: 2014-04-07 Created: 2014-04-07 Last updated: 2014-11-18Bibliographically approved

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Hirsch, Jan M

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