Gums are getting less and less, clinically generally refers to the manifestation of gum recession, the most common disease is periodontitis, periodontitis due to alveolar bone resorption gum recession, and finally will cause the teeth to loosen and fall off. For the case of less and less gums, you need to do the treatment of membrane gum surgery, also known as periodontal surgery, by cutting the gums for autogenous gum transplantation, bone grafting and a series of ways, try to make the gums to produce a new attachment, but the surgery itself has a greater risk, and the clinical effect is not 100% sure. The best way to prevent receding gums is to perform scaling and subgingival scraping. If periodontitis is present, early subgingival scaling and cleaning can do everything possible to slow down the progression of the periodontitis so that the gums do not recede.