Abstract : Periodontitis is a chronic inflammatory and destruction disease caused by periodontal pathogens in the surrounding periodontal tissues.
摘要 牙周炎是由牙周致病菌所致的牙周组织慢性炎症性，破坏性疾病。
2
It is a chronic inflammatory condition that leads to irreversible tissue destruction involving loss of attachment between the tooth and periodontal-supporting tissue.
长期发炎的状况引起不可逆组织破坏，包括对牙齿和牙龈组织的粘附的丧失。
3
Conclusions the concentration of CRP in GCF may correlate with the degree of periodontal tissue destruction, the levels of CRP reduced after nonsurgical therapy in diseased sites.