Home > Encyclopedia of Cancer > Xerostomia

Description

Xerostomia, also known as dry mouth, is marked by a significant reduction in the secretion of saliva. Signs and symptoms of xerostomia include:

• dryness of the mouth
• cracked lips, cuts, or cracks at the corners of the mouth
• taste changes
• a burning sensation of the tongue
• changes in the surface of the tongue
• difficulty wearing dental appliances (like dentures)
• difficulty swallowing fluids accompanied by an increase in thirst

Xerostomia makes the mouth less able to neutralize acid, clean the teeth and gums, and protect itself from infection. This can lead to the development of gum disease and cavities.

Saliva is necessary for carrying out the normal functions of the oral cavity, such as taste, speech, and swallowing. Saliva provides calcium and phosphate,...