Gum scraping and bleeding a few weeks after the general need for active follow-up for the second periodontal treatment, and pay attention to the maintenance of oral hygiene. 1. Secondary periodontal treatment: after gum scraping, such as poor maintenance of their own oral hygiene, a few weeks after the periodontitis is easy to recur, thus showing bleeding gums, redness and swelling, etc., you need to actively consult a doctor for a second periodontal treatment, if the symptoms are not serious, cleaning and medication can be; if the symptoms are more serious, redness, swelling and inflammation, in addition to scaling, you need to scrape, root leveling, and even the need to Flap surgery for treatment. 2. Oral hygiene maintenance: in addition to active medical treatment for secondary treatment, the maintenance of their own oral hygiene is also very important for the prevention of periodontitis, such as brushing carefully, twice in the morning and evening, each time for 3 minutes; rinsing after meals to maintain oral hygiene, on the neighboring surfaces is not easy to remove the plaque, soft tartar, with dental floss or gap brush for cleaning; regular oral examination, every 6 months for a dental scaling.