Department of Dentistry, College of Dental Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan.
Department of Dentistry, College of Dental Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan; Department of Dentistry, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan.
Kaohsiung J Med Sci. 2018 Jan;34(1):56-64. doi: 10.1016/j.kjms.2017.08.011. Epub 2017 Dec 8.
No study has investigated the effect of learning curves on the accuracy of dental implant navigation systems. This study evaluated the accuracy of the dental implant navigation system and established the learning curve according to operation site and operating time. Each dental model was used for drilling 3 missing tooth positions, and a patient tracking module was created. The same dentist performed the drilling test for 5 sets of dental models. CT back scanning was performed on the dental models. Customized implants based on the drilled holes were inserted. The relative error between the preoperative planning and actual implant was calculated. Using the dental navigation system could help dentists position implants more accurately. Increasing the frequency with which a dentist used the navigation system resulted in shorter operations. Longitudinal and angular deviation were significantly (P < 0.0001 and P = 0.0164). We found that the same level of accuracy could be obtained for the maxilla and mandible implants. The Student's t test demonstrated that the longitudinal error, but not the total or angular error, differed significantly (P = 0.0012). The learning curve for the dental implant navigation system exhibited a learning plateau after 5 tests. The current system exhibited similar accuracy for both maxillary and mandibular dental implants in different dental locations. The one-way ANOVA revealed that the total, longitudinal, and angular errors differed significantly (P < 0.0001, P < 0.0001 and P = 0.0153). In addition, it possesses high potential for future use in dental implant surgery and its learning curve can serve as a reference for dentists.
尚无研究调查学习曲线对牙种植导航系统准确性的影响。本研究评估了牙种植导航系统的准确性,并根据手术部位和手术时间建立了学习曲线。每个牙模型用于钻 3 个缺牙位,并创建一个患者跟踪模块。同一名牙医对 5 组牙模型进行了钻牙测试。对牙模型进行 CT 后扫描。根据钻孔插入定制植入物。计算术前规划与实际植入物之间的相对误差。使用牙导航系统可以帮助牙医更准确地定位植入物。增加牙医使用导航系统的频率会导致手术时间缩短。纵向和角度偏差具有显著差异(P<0.0001 和 P=0.0164)。我们发现上颌和下颌植入物可以达到相同的精度水平。学生 t 检验表明,纵向误差而不是总误差或角度误差具有显著差异(P=0.0012)。牙种植导航系统的学习曲线在 5 次测试后呈现出学习平台。当前系统在不同的牙位显示出对上颌和下颌牙种植体相似的准确性。单因素方差分析显示总误差、纵向误差和角度误差差异显著(P<0.0001、P<0.0001 和 P=0.0153)。此外,它在牙种植手术中有很大的应用潜力,其学习曲线可以为牙医提供参考。