Oral dryness and Sjogren's: an update.

Oral dryness is a very common condition presenting to a general dental practitioner or hospital specialist. The most common cause of oral dryness is drug related, however, patients with Sjogren's syndrome, a multisystem autoimmune condition, may present to their dentist rather than their GP complaining of dry mouth and dry eyes. This update article explores the causes of oral dryness and how to manage it. The update on Sjogren's syndrome explains the latest relevant diagnostic criteria, presenting signs, symptoms, investigations and management principles.