Does machine-vision-assisted dynamic navigation improve the accuracy of digitally planned prosthetically guided immediate implant placement? A randomized controlled trial
Does machine-vision-assisted dynamic navigation improve the accuracy of digitally planned prosthetically guided immediate implant placement? A randomized controlled trial
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DOI：
10.1111/clr.13961
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发表时间：
2022-06-16
影响因子：
4.3
通讯作者：
Shi, Jun-Yu
中科院分区：
文献类型：
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作者：
Wei, Shi-Min;Li, Yuan;Shi, Jun-Yu
目的通过随机对照临床试验，比较基于机器视觉(MV)的动态导航(DN)辅助即刻种植与传统徒手种植的准确性。材料与方法将24例需即刻种植上前牙的受试者随机分为对照组(由有经验的外科医生徒手操作，n=12)和试验组(MV-DN，n=12)。比较两组间种植体平台、种植体尖端、角度和深度相对于假体引导数字计划的偏差，以及种植体插入扭矩(ITV)和种植体稳定性商(ISQ)的差异。结果MV-DN使即刻种植体的位置更加准确：整体平台偏差(1.01±0.41 mm比1.51±0.67 mm，p=.038)、平台深度偏差(0.44±0.46 mm比0.95±0.68 mm，p=.045)、全局根尖偏差(0.88±0.43 mm比1.94±0.86 mm，p=.001)，与对照组相比，MV-DN组牙尖偏移(0.68±0.30 mm vs.1.61±0.88 mm，p=0.004)。ITV和ISQ没有观察到显著的组间差异。结论MV-DN可获得更准确的即刻种植体位置和可比的初期稳定性。有必要进行进一步的试验，以评估美容和组织健康/稳定性方面的益处。
Objectives This randomized controlled clinical trial was designed to compare the accuracy of machine-vision (MV)-based dynamic navigation (DN)-assisted immediate implant placement with the conventional freehand technique. Material and methods A total of 24 subjects requiring immediate implant placement in maxillary anterior teeth were randomly assigned to either the control (freehand by an experienced surgeon, n = 12) or the test group (MV-DN, n = 12). Implant platform, implant apex, angular, and depth deviations with respect to prosthetically guided digital planning and differences in implant insertion torque (ITV) and implant stability quotient (ISQ) were compared between the groups. Results MV-DN resulted in more accurate immediate implant position: significantly smaller global platform deviation (1.01 +/- 0.41 mm vs. 1.51 +/- 0.67 mm, p = .038), platform depth deviation (0.44 +/- 0.46 mm vs. 0.95 +/- 0.68 mm, p = .045), global apex deviation (0.88 +/- 0.43 mm vs. 1.94 +/- 0.86 mm, p = .001), and lateral apex deviation (0.68 +/- 0.30 mm vs. 1.61 +/- 0.88 mm, p = .004) were found in MV-DN compared to controls. No significant intergroup differences were observed for ITV and ISQ. Conclusions MV-DN achieved more precise immediate implant position and comparable primary stability. Further trials are necessary to assess the benefits in terms of esthetics and tissue health/stability.