title: [Developmental abnormality of the teeth in children: IV: the early clinical treatment principle for the impacted maxillary young permanent incisors with dilaceration].
authors.forename: Shu-Guo
authors.initials: SG
authors.lastname: Zheng
authors.forename: Yan
authors.initials: Y
authors.lastname: Si
mesh_terms: D002648:Child; D006801:Humans; D007180:Incisor / Q000002:abnormalities*; D008437:Maxilla; D019558:Occlusal Adjustment; D050793:Orthodontic Extrusion; D014071:Tooth Abnormalities / Q000175:diagnosis / Q000209:etiology / Q000628:therapy*; D014095:Tooth, Impacted / Q000175:diagnosis / Q000209:etiology / Q000628:therapy*