机器人辅助微创治疗下颌侧切牙钙化1例

IF 3.7 3区医学 Q1 DENTISTRY, ORAL SURGERY & MEDICINE

International dental journal Pub Date : 2025-09-03 DOI:10.1016/j.identj.2025.103884

Yuxin Liu, Bo Lv, Zhiming Cui, Ming Xue, Liu Qu

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引用次数: 0

摘要

由于其狭窄的解剖结构和对程序错误的最小容忍度，在下颌前牙中引入和修复钙化根管提出了重大的治疗挑战。本案例报告展示了机器人辅助导航与超细传感器的成功结合，以解决这些挑战。方法一名44岁男性患者在接受正畸治疗20年后，表现为慢性根尖牙周炎伴下颌侧切牙髓钙化。自主机器人系统通过结合锥束计算机断层扫描和口内扫描数据，在动态三维坐标系内实现实时跟踪。超精细器械（牙尖：0.28 mm）在入路过程中保留了更多的颈周牙本质，而随后的根管准备通过连续锥形形成消除了应力集中的边缘。结果术后根尖周x线片证实入路准确，无医源性错误。6个月的随访显示无症状和根尖周愈合。结论和临床意义该方法通过自动路径执行减少了操作者的依赖性，并建立了可复制的框架来平衡管的可协商性和结构保存。未来的研究必须验证5年的结果，并为更广泛的临床应用探索降低成本的策略。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

查看原文本刊更多论文

Robot-assisted Minimally Invasive Management of a Calcified Mandibular Lateral Incisor: A Case Report

Introduction and aims

Calcified root canals in mandibular anterior teeth present significant therapeutic challenges due to their narrow anatomy and minimal tolerance for procedural errors. This case report demonstrates the successful integration of robot-assisted navigation with an ultra-fine bur to address these challenges.

Methods

A 44-year-old male presented with symptomatic chronic apical periodontitis and pulp calcification in a mandibular lateral incisor, 20 years after orthodontic treatment. An autonomous robotic system achieved real-time bur tracking within a dynamic 3D coordinate system through combined Cone-beam computed tomography and intraoral scan data. Ultra-fine instrumentation (bur tip: 0.28 mm) preserved more pericervical dentin during access, while subsequent canal preparation eliminated stress-concentrating ledges through continuous taper formation.

Results

A postoperative periapical radiograph confirmed precise access without iatrogenic errors. A 6-month follow-up demonstrated asymptomatic and periapical healing.

Conclusion and Clinical Relevance

This approach reduced operator dependence through automated path execution and established a replicable framework for balancing canal negotiability with structural preservation. Future studies must validate 5-year outcomes and explore cost-reduction strategies for broader clinical adoption.

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来源期刊

International dental journal 医学-牙科与口腔外科

CiteScore

4.80

自引率

6.10%

发文量

159

审稿时长

63 days

期刊介绍： The International Dental Journal features peer-reviewed, scientific articles relevant to international oral health issues, as well as practical, informative articles aimed at clinicians.