Dental films do not allow the nerve to be seen. Dental radiographs are a common form of oral examination that checks for the presence of dental and periodontal disease and does not allow the nerve to be seen. If nerve pain occurs, a dental radiograph can be taken to see how much decay has occurred and whether it has reached the pulpal cavity. If the decay reaches the pulpal cavity, the nerve is infected. If there is any dental abnormality, it is recommended to go to the dental clinic of a regular hospital for appropriate examination and diagnosis by a professional dentist. For example, dental film, CBCT, etc., to clarify the specific type of oral disease, in order to take targeted treatment measures. Usually pay attention to oral hygiene, do morning and evening brushing, rinse mouth before and after meals, regular oral examination, to ensure oral health.