牙周组织病是最常见的口腔疾病,据国内不完全调查资料表明,牙周组织病罹患率为92.89%。发病因素主要是牙周细菌和牙菌斑起主要作用。正常时牙周细菌的数量较少,菌斑较薄,当某些特殊细菌或某些常驻菌的数目相对增加时才导致牙周组织病的发生。牙周组织病的主要症状是牙龈出血、肿胀、溢脓、萎 Periodontal disease is the most common oral diseases, according to incomplete survey data show that the incidence of periodontal disease was 92.89%. The main pathogens are periodontal bacteria and plaque play a major role. Normal periodontal bacteria less, plaque thinner, when some special bacteria or some of the relative increase in resident bacteria lead to periodontal tissue disease occurs. Periodontal tissue disease is the main symptoms of bleeding gums, swelling, overflow pus, wilt