牙周病作为2012世界爱牙日的主题,得到了广泛的关注。牙周病是口腔中最常见的疾病,成年人中患病率高达90%,牙周病给人造成极大的痛苦,损害健康,影响生命质量。现代医学证明,患牙周病后,轻者牙龈发炎、出血,疼痛,口臭,重者牙周组织被破坏,使牙齿与牙龈分离,导致牙齿松动移位,牙齿酸软,咀嚼无力,甚至脱落,而且,还可以诱发许多疾病,如风湿、抑郁症、心 Periodontal disease as the theme of 2012 World Day of Dental, has received widespread attention. Periodontal disease is the most common oral disease, the prevalence of up to 90% of adults, periodontal disease caused great pain, damage to health and affect the quality of life. Modern medicine shows that after suffering from periodontal disease, light gum inflammation, bleeding, pain, bad breath, severe periodontal tissue is destroyed, the separation of teeth and gums, resulting in loose teeth shift, teeth soft, chewing weakness, or even fall off, Moreover, it can also induce many diseases, such as rheumatism, depression, heart