Periodontal bad can be daily life conditioning, dietary conditioning. 1. Daily life conditioning: If you have bad periodontal disease, you need to do a good job of daily life conditioning, such as brushing and rinsing, you can use dental floss or dental flosser to remove the residual material inside the teeth, and it is best to use a soft-bristled toothbrush when brushing. 2. Diet: usually need to pay attention to personal diet, keep a light diet, you can eat some vitamins, can protect the oral tissues, such as vitamin B, vitamin C, etc., but also need to regularly consult a doctor for dental calculus removal. Usually must observe more personal dental conditions, if you find an abnormal reaction to recommend actively seek medical attention.