dental disorders
Xerostomia
Introduction
Xerostomia is dry mouth caused by reduced or absent flow of saliva. This condition can result in discomfort, interfere with speech and swallowing, make wearing dentures difficult, cause Halitosis , and impair oral hygiene by causing a decrease in oral pH and an increase in bacterial growth. Long-standing xerostomia can result in severe (See also Introduction to the Approach to the Dental Patient .) 