Severe gum recession can be treated with a root canal. Gum recession is irreversible. If the gum recession is simple and there is no damage to the dentin, there is no need for a root canal. If the gum recession is severe and leads to the development of dental diseases such as apical periodontitis and pulpitis, root canal treatment can be considered. At the same time, periodontal systemic therapy is needed to control periodontal inflammation and gum recession. If the gum recession is serious, adequate attention must be paid, and it is recommended to take remedial measures as soon as possible at the dentistry of regular hospitals to avoid more serious dental diseases. You should actively cooperate with professional dentists to conduct examinations and develop effective treatment programs. Normally, we should also pay attention to good oral hygiene, to protect oral health.