J Endod:一种通过引导性技术建立严重钙化前牙的最小髓腔入路

2018-09-07 lishiting MedSci原创

这篇研究描述的是一种全新的牙髓治疗技术,它是通过锥形束CT(CBCT)影像和3维引导技术实施的最小髓腔入路,它对牙齿切缘没有任何损伤。

这篇研究描述的是一种全新的牙髓治疗技术,它是通过锥形束CT(CBCT)影像和3维引导技术实施的最小髓腔入路,它对牙齿切缘没有任何损伤。

1名26岁的患者上颌前牙区疼痛,自述13年前受过牙外伤。X线检查显示# 9牙无根管影像,并且根尖牙周膜区域密度轻微增加。牙髓敏感性测试无反应,而叩诊呈阳性。CBCT影像显示,根管影像仅存在于根尖2-mm的区域。引导性髓腔入路是在CBCT扫描全口牙齿表面之后进行设计。通过虚拟种植软件创建一个虚拟模型以设计一个对牙齿切缘没有损伤的手术入路。随后打印结果导板。上障、固定导板,一旦定位根管则对根管进行机械化学预备。根管内封药14天,牙胶充填根管后封闭入路窝洞。在完成治疗1年后随访。患者根尖组织无症状,并且在正常范围之内。

结论:引导性牙髓疗法可以优化治疗,它以一种安全可靠的方式提供一个保守的不损伤切缘的髓腔入路,即便存在严重根管钙化的情况。

原始出处:

Lara-Mendes STO, Barbosa CFM, et al. A New Approach for Minimally Invasive Access to Severely Calcified Anterior Teeth Using the Guided Endodontics Technique. J Endod. 2018 Aug 25. pii: S0099-2399(18)30470-9. doi: 10.1016/j.joen.2018.07.006.

本文系梅斯医学(MedSci)原创编译整理,转载需授权!

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    2019-01-10 LShY0906_98743853

    #前牙#

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