牙周膜

生理载荷作用下上颌中切牙牙周膜应力分布的三维有限元研究

community periodontal index for treatment needs, CPITN

periodontal adamantoblastoma

periodontal membrane, periodontal ligament ?

periodontal epithelial rest, Malassez epithelial rest ?

periodontal chart【口腔】

periodontal flap surgery

periodontal disease index, PDI

periodontal pocket【口腔】