adj.牙周的；齿根膜的
Many bioactive factors have important effects on the periodontal regeneration. 许多生物活性因子对牙周组织的再生有重要影响。
Most people with lung abscess will be found to have periodontal disease. 多数肺脓肿患者可发现有牙周
Shrinkage of gums or gum itself is the performance of periodontal disease. 牙龈萎缩本身就是牙龈或者牙周疾病的表现。
Adjunctive therapy is another important means for periodontal disease. 全身调节治疗是牙周病治疗的另一个重要方面。
