WHEN TO CALL THE DENTIST Call your dentist if you have symptoms of a cavity that include: Pain in the tooth that occurs for no reason or is caused by food, beverages, brushing or flossing Sensitivity to hot or cold foods or drinks Get early treatment for gum disease. Call your dentist if you have symptoms of gum disease that include: Red or swollen gums Bleeding in the gums when you brush your teeth Bad breath Loose teeth Drifting teeth Dental Clinic in Kothrud.