Common reasons for root canal treatment

1. Tooth decay (cavities) reaching the pulp: When tooth decay reaches a certain extent, bacteria invade deep into the tooth, infecting and even killing the pulp, which cannot heal on its own.

2. Dental trauma: Accidentally bumping a tooth in daily life, or suddenly eating hard food that hurts a tooth, can cause the tooth to fracture or break, potentially exposing and infecting the pulp.