Sore red gums around tooth
Sore, red gum tissue around one tooth may come from plaque, trapped food, trauma, decay, or infection and needs an examination if it persists.
The short answer
Sore red gums around one tooth are often caused by local plaque or trapped food, but trauma, decay, a cracked tooth, or infection can also inflame the tissue.
What is the direct answer?
What does this question mean?
Pain from the tooth itself can be felt near the gum when decay reaches dentin or the pulp, and a gum boil or swelling may indicate infection. Brushing injury, floss snapping into the gum, a sharp appliance, or a foreign body can create localized soreness without being the original disease. Gently brush the area with a soft brush and clean between the teeth without forcing floss into swollen tissue. Rinse with plain water after meals, avoid picking the gum, and arrange an examination if it does not settle or keeps returning.
What can you do next?
Seek prompt care for increasing swelling, pus, fever, facial swelling, difficulty swallowing, reduced mouth opening, or severe toothache. A dentist may inspect the gum, test the tooth, remove trapped material, take an X-ray, or treat decay or infection. Ask whether the problem is in the gum or tooth, whether an X-ray or pulp test is needed, and how to clean the area. Ask what signs would mean the infection is spreading.
Frequently asked questions
Can trapped food make one gum sore?
Yes. A fragment can press into the gum and allow local plaque buildup, but persistent soreness needs assessment.
Should I pop a gum bump?
No. A bump may be a drainage point from an infected tooth or gum and should be examined.
Why does the gum bleed around one tooth?
Local inflammation, trauma, a rough margin, or infection can cause bleeding; the cause is found by examining both gum and tooth.