Root canal treatment and no root canal treatment should be determined according to the tooth, so there is no good or bad, if it meets the indications of root canal treatment should be timely root canal treatment, on the contrary, do not need root canal treatment. 1. Root canal treatment: If there is acute or chronic pulpitis, acute or chronic periapical inflammation, pulp infection or necrosis, pulp exposure, etc., root canal treatment can be carried out to remove the inflamed pulp and solve the painful situation. However, after root canal treatment, the tooth loses its blood supply and is not as resistant to fracture as before. When chewing hard foods, the tooth may be at risk of cracking. 2. No Root Canal: If the dental disease has not invaded the pulp, then you can not carry out root canal treatment, only ordinary treatment can be done, and at the same time pay attention to maintain oral hygiene. It is recommended to consult a doctor in time for dental problems and choose the appropriate treatment according to the doctor’s advice, so as not to delay the condition.