【名词&注释】
玻璃离子水门汀(glass ionomer cement)、牙周炎(periodontitis)、乳牙滞留(deciduous tooth retention)、灵长类动物(primate)、乳牙根尖周炎(periapical periodontitis primary teeth)、氧化锌丁香油糊剂(zinc oxide-olive oil paste)、牙周袋(periodontal pocket)、乳牙早失(early loss of deciduous molars)、磷酸锌水门汀(zinc phosphate cement)、乳牙列(deciduous dentition)
[单选题]患者男,7岁。诉上颌前牙松动。口腔检查见:松动Ⅲ度,牙冠有深龋洞,已从舌侧萌出,诊断()
A. 乳牙滞留
B. 乳牙早失(early loss of deciduous molars)
C. 乳牙根尖周炎
D. 乳牙牙周炎
E. 乳牙外伤