Robert S. Turnbull

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Xerostomia or dry mouth is a condition that is frequently encountered in dental practice. The most common cause is the use of certain systemic medications, which make the elderly at greater risk because they are usually more medicated. Other causes include high doses of radiation and certain diseases such as Sjogren's syndrome. Xerostomia is associated with(More)
A method has been developed for successfully maintaining for 4 days in organ culture the first molar and supporting tissues of adult mouse. The explant, which comprises the tooth, periodontal ligament, bone and, on occasions, gingiva, was cultured in a modified New circulator in Waymouth's medium MB 752/1 supplemented with ferrous sulfate, ascorbic acid,(More)
OBJECTIVES The purpose of this cross-sectional study was to identify risk markers and risk indicators for periodontal attachment loss in a remote Canadian community. Of special interest was the association between smoking and periodontal disease experience. METHODS Data were collected from a convenience sample of 187 adult patients attending a dental(More)
In addition to its plaque-inhibiting effect, chlorhexidine possesses other properties beneficial for use in dentistry. These effects are outlined, and specific recommendations are given regarding chlorhexidine's use by general practitioners. The side effects of long-term use, such as staining, and the availability of chlorhexidine also are discussed.
The purpose of this study was to ascertain whether porcine skin grafts are incorporated by the host or act as temporary dressings which are sloughed and to determine the host reaction in terms of inflammatory response. A split-thickness 5-mm square recipient bed was prepared in the cheek pouches of 20 hamsters. Previously frozen, irradiated porcine skin was(More)