April 2004
Gut;Apr2004 Supplement 3, Vol. 53, pA111
Academic Journal
This article investigates the association of pharyngeal pH with dental erosion in suspected patients of distal and proximal gastro-oesophageal reflux (GOR). 31 patients, 19 males; mean age 43.2 years, were recruited. Dental erosion was assessed using a modified version of Smith and Knight tooth wear index with scores from 0-5, the range depending upon the severity of the tooth wear. In patients with suspected proximal reflux, supine GOR may play an important role in dental erosion. The long duration of pH between 4 and 5.5 in the pharynx, particularly in the supine position, may lead to increased chance of developing dental erosion in this group of patients.


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