Dry mouth, or xerostomia, occurs when there is not enough saliva (or "spit") to lubricate the tongue, gums ... They then make small cuts or changes to the tissue to stimulate saliva flow.

Folic acid or vitamin B12 deficiency can cause your tongue to appear red or glossy. This change could also just be from red foods or beverages or hot soup that burned your mouth. Keep in mind that ...

A numb mouth or tongue can point to several conditions ... They will then carry out a thorough examination of the mouth. A person should see a doctor if they experience persistent numbness ...

Medically reviewed by Brian T. Luong, DMD You may need to treat a cut in your mouth after playing sports, biting your cheek ...