What are the common symptoms of dry mouth?
Normal saliva production is 1 to 1.5 L/day. Dry mouth sensation, known as xerostomia, occurs when the salivary flow rate decreases to <50% of the basal flow rate. It may result in a variety of problems including:
• Burning sensation.
• Change in taste (metallic, salty, bitter).
• Difficulty swallowing.
• Disturbed sleep (due to dry mouth and/or nocturia).
• Gastroesophageal reflux symptoms (due to lack of saliva buffer).
• Increase in dental caries, cracked teeth, loose fillings.
• “Lipstick sign” (adherence of patient’s lipstick onto front teeth).
• Predisposition to oral candidiasis (atrophic variant, which presents as an erythematous tongue).
• Problems wearing dentures.