[摘要]目的评价森田ROOT ZX根管长度测量仪临床应用价值。 方法 用根管长度测量仪对108例根管 进行根管测量，以此长度进行根管预备后，按测量长度插入牙胶尖摄X线牙片，计算出实际根管长度，求得测量准 确率。 结果 ROOT ZX测量准确率为92.6%。结论 ROOT ZX根管长度测量仪应用安全可靠、准确率高。

     [关键词]根管疗法;根管测量;评价研究

    EVALUATION OF THE ROOT ZX CANAL LENGTH METER IN CLINICAL APPLICATION

    YUAN CHANG-QING， ZHONG DE-YU， DENG JING

    (Department of Stomatology，The Affiliated Hospital of Qingdao University Medical College ，Qingdao 266003， China)

    [ABSTRACT]Objective To assess the value of ROOT ZX canal length meter (ROOT ZX)in clinical practice. Methods The length of 108 root canals was measured by ROOT ZX. The root canals were prepared based on the length detected and X-ray films taken. The actual length was calculated and the accuracy obtained. Results The accuracy rate of the measurement was 92.6 % . Conclusion Clinical application of ROOT ZX is reliable and safe with a high accuracy.

    [KEY WORDS]root canal therapy; root canal length measurement; evaluation studies

    我科自2003年1月采用日本森田医疗器械有 限公司生产的ROOT ZX根管长度测量仪进行根管 长度测量 ......