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作者报告一例右上颌侧切牙经根管预备后,未得根管充填,3年后其根尖周透射区消失的病例。患者男性,28岁,来院要求结束其右上颌侧切牙的治疗。以往的牙科病历表明该牙在3年前因疼痛只作过牙髓摘除和根管预备,并未交待是否用过根管冲洗药及根管内封药或抗菌素等。之后,病员因故而中断治疗。治疗前的X线片显示该牙根尖周有7mm之圆形透射区。本次检查发现:患牙近中面有复合树脂充填物和舌面有暂封物,无自觉不适,对叩诊、门诊反应正常。龈袋深度在3mm内。X线片显示:根管有经过预备的迹象但未充填治疗,根尖周透射区已完全消失并有完整的
The authors report a case of right maxillary lateral incisors after root canal preparation, not root canal filling, 3 years after the periapical zone disappears. Male patient, 28 years old, came to the hospital to finish the treatment of his right maxillary incisor. Previous dental records showed that the tooth was only treated with endodontic excision and root canal preparation three years ago and did not explain whether it was used for root canal irrigation or root canal sealers or antibiotics. After that, the patient discontinued treatment for some reason. X-ray film before treatment showed that the apical week 7mm circular transmission zone. The inspection found: the teeth near the middle of a composite resin filler and tongue have a temporary seal, no conscious discomfort, percussion, outpatient response was normal. Gingival pocket depth within 3mm. X-ray film shows that the root canal has been prepared for signs but not filled with treatment, the periapical zone has completely disappeared and complete