上颌侧切牙Ⅲ型双牙内陷伴根尖周炎非手术治疗1例  

Non-surgical treatment of maxillary lateral incisor double dens invaginatus type Ⅲ with apical periodontitis

作　　者：陈红 张荣华 赵媛[1] Chen Hong;Zhang Ronghua;Zhao Yuan(Dept.of Cariology and Endodontics,School/Hospital of Stomatology,Lanzhou University,Lanzhou 730000,China)

机构地区：[1]兰州大学口腔医(学)院牙体牙髓科,兰州730000

出　　处：《华西口腔医学杂志》2024年第3期409-414,共6页West China Journal of Stomatology

摘　　要：牙内陷是牙胚发育期成釉器或上皮根鞘过度增殖,卷叠入牙乳头引起的牙冠或牙根发育异常。严重内陷的患牙内陷通道与牙髓和牙周组织相通,常引起牙髓病和根尖周病,其复杂的解剖形态为术前诊断和临床操作增加了难度。本文报道了1例上颌侧切牙Ⅲ型双牙内陷伴根尖周炎的病例,在锥形束CT和显微镜辅助下行非手术治疗,随访1年,患牙无症状,根尖周病变明显缩小。Dental invagination is an abnormality of the crown or root development induced during tooth germ development when the enamel-forming apparatus or epithelial root sheath overpopulates and folds into the papilla.In severe cases,the invaginated channels are connected to the pulp and periodontal tissues,often causing endodontic and periapical diseases.The complex anatomical pattern of this disease adds difficulty in its preoperative diagnosis and clinical operation.In this paper,we report a case of non-surgical treatment assisted by cone beam CT and microscopy for maxillary lateral incisor double dens invaginatus typeⅢ(Ⅲa andⅢb)with apical periapical infection.After 1-year follow-up,the affected tooth was asymptomatic and the periapical lesion was significantly reduced.

关 键 词：双牙内陷 根尖周炎 显微根管治疗 锥形束CT 

分 类 号：R781.05[医药卫生—口腔医学]