Oliver R G, Dummer P M
Department of Child Dental Health, University of Wales College of Medicine, Cardiff.
Dent Update. 1995 Sep;22(7):280-1.
This article reports a case of a maxillary second premolar which on presentation was partially erupted, and which resisted attempts at orthodontic extrusion. The crown of the tooth was eventually restored using an adhesive composite onlay technique. The patient subsequently complained of pain and the root of the tooth showed radiographic evidence of resorption. The root of the extracted tooth had a vital pulp but massive external resorption was evident, with repair with bone-like material.
本文报道了一例上颌第二前磨牙病例，该牙初诊时部分萌出，正畸牵引未成功。最终采用粘结复合嵌体技术修复牙冠。患者随后出现疼痛，影像学检查显示牙根有吸收迹象。拔除的牙齿牙根有活力牙髓，但可见大量外部吸收，并伴有类骨质材料修复。
