It usually takes about a month to recover from periodontitis scraping. 1. Periodontitis is a chronic infectious disease of the periodontal tissues, the cause of which is complex, with a variety of factors, such as genetic factors, traumatic factors, plaque factors and so on. 2. Periodontal scraping is one of the effective ways to treat periodontitis, through local anesthesia, the use of special scraping instruments, thoroughly remove the plaque under the gums, calculus, to reduce its stimulation of the periodontium, the whole periodontal scraping is generally divided into 2 ~ 4 areas, can be divided into scraping, so the general periodontitis scraping needs a month of recovery. Periodontitis scraping, need to consult a doctor, under the guidance of the doctor to carry out a detailed scraping plan, standardized treatment, to avoid delays in the condition, the adverse consequences.