Pain or soreness in the back of the mouth
Swollen, red, or tender gums near the back molars
Jaw stiffness or discomfort
Pressure or aching in the back teeth
Difficulty opening your mouth fully
Bad breath or a bad taste in the mouth
Gum tissue partially covering a tooth
Crowding or shifting of nearby teeth
Headache or earache on the same side as the pain
A new tooth or part of a tooth visible behind the last molar
Food getting trapped more often in the back of the mouth
Tenderness when chewing
Swelling in the jaw or cheek
Signs confirmed by a dentist on an X-ray