下颌牙根尖孔外器械断针取出1例

2018-01-28 佚名 中国急救复苏与灾害医学杂志

女,33岁

【一般资料】

女,33岁

【主诉】

于2016年3月29日因左下后牙反复疼痛3月余来本科就诊。

【现病史】

患者半年前曾于外院行左下后牙治疗,近三个月来患牙有进食时的疼痛不适,自行口服消炎药症状未缓解,故来本科就诊。

【体格检查】

37牙合面可见完整白色充填物,探(一),叩痛(++),冷(一),无松动。38近中高位阻生,探(一),叩痛(一),冷(一),无松动,咬合面未见盲袋形成。

【辅助检查】

根尖片可见根管内高密度充填物,根尖区可见一白色针状高密度影,断针周围有骨质低密度影像。CBCT检查可见异物长约3.8mm,位于近中根下方,距离颊侧骨壁约7.5mm,舌侧骨壁约5.4mm,下颌神经管约3.4mm。

【治疗】

①向患者说明患牙37的疼痛原因和拔牙取出异物的治疗方法以及38的治疗方案,患者接受拔除37,拒绝拔除38阻生齿,并签署知情同意书;②嘱患者口服头孢丙烯分散片0.5g,替硝唑1g预防感染;③局麻下拔除37,在CBCT影像指导下从近中牙根下方取出断针;④搔刮牙槽窝,并用双氧水、0.9%氯化钠注射液交替冲洗,牙槽骨复位,止血;⑤嘱患者拔牙后注意事项及如何行缺牙行修复治疗,拍摄曲面断层片观察断针取出情况。


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    2018-11-24 xlysu
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