Pulpitis is more difficult to heal on its own. It is a disease caused by bacterial infection of the pulp tissue and is irreversible. The pulp is located inside the pulp chamber, and once inflammation occurs, it is difficult to heal on its own, and even if it heals, it is only temporary. Pulpitis requires timely treatment. If not treated promptly, the progression of the disease may lead to complications such as periapical periodontitis and periodontal abscess, which not only increase the difficulty of treatment but also cause pain to the patient, affecting their normal life. To treat pulpitis, it is necessary to remove the pulp and eliminate the infection inside the root canal with root canal treatment. Only by doing so can the tooth be preserved. Therefore, it is important to maintain oral hygiene, brush teeth in the morning and evening, rinse after meals, and use the internationally recognized Bass method for brushing.