J Endod:利用CBCT及CAD/CAM系统引导上颌磨牙的髓腔入路

2018-04-09 lishiting MedSci原创

这篇报道描述的是通过髓腔指引技术提高磨牙钙化根管进入的效率。

这篇报道描述的是通过髓腔指引技术提高磨牙钙化根管进入的效率。

1名61岁的女性患者因上颌左侧磨牙区疼痛前来就诊。患者的第二和三磨牙具有根尖周炎的症状,并经患者初诊时的锥束CT(CBCT)扫描结果确认。基于定位根管存在困难,作者没有继续常规的牙髓治疗方案。而是通过口内扫描和CBCT扫描并结合implant planning软件的应用设计钙化根管的入路。引导路线通过原型速成后焊接制成,它能够允许柱状车针通过钙化区域形成正确路线。第二步,使用往返旋转的预备器械对根管进行预备并在根管内封药2周。随后,使用液压加压法通过锥核牙胶充填根管,再进行髓腔的最终修复。通过体层摄影影像的比对,术者在治疗3个月后观察到根尖损伤的明显减弱以及疼痛症状的消失。这种状态进行了持续1年的随访。

结论:上颌磨牙的引导髓腔入路技术是一种快速、安全和可预测的疗法,它可以被视作寻找钙化根管入口的更佳选择,避免复杂病例中治疗的失败。

原始出处:

Lara-Mendes STO, Barbosa CFM, et al. Guided Endodontic Access in Maxillary Molars Using Cone-beam Computed Tomography and Computer-aided Design/Computer-aided Manufacturing System: A Case Report. J Endod. 2018 Mar 20. pii: S0099-2399(18)30088-8. doi: 10.1016/j.joen.2018.02.009.

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    2018-11-14 whmdzju
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