The wall of the oral cavity is the oral mucosa, and the friction between the nail and the oral mucosa can be reduced by using orthodontic protective wax, and if the mucosa is already traumatized, local medication can be used as follows.
1. Orthodontic protective wax: take appropriate amount of orthodontic protective wax and stick it on the impingement nail to reduce the friction between impingement nail and oral mucosa.
2. Local medication: If the oral mucosa has been traumatized by friction, gargle chlorhexidine solution, compound boric acid solution, etc., to prevent secondary infection, and use analgesic drugs such as lidocaine gel to relieve pain. Drugs are to be used under the guidance of a doctor.
It is recommended to go to a regular medical institution to receive professional treatment.