periodiden.[化]高碘化物periodn.一段时间；周期；时期；课时；学时；句号；月经periodontal membrane fibers[医] 牙周膜纤维period doubling bifurcation倍周期分岔periodontal instruments set牙周病用器械包Periodontal initial therapy牙周基础治疗period inspection work card周期检查工作卡period multiplying equipment周期放大设备Periodontal odontogenic cyst牙周牙源性囊肿Period of trees' hibernation[医] 儿童牙科学PERIODONTITIS/TCD therapy牙周炎／中药疗法periodontal adamantoblastoma[医] 牙周成釉细胞瘤