目的:研究三种牙齿根管工作长度测量方法的符合率。方法:选取临床上需进行根管治疗术的患牙153个(358个根管),使用TRI AUTO ZX根管治疗仪确定牙齿工作长度,与X线诊断丝照相法和器械探查法进行对比,研究3种牙齿工作长度测量法的符合率。...目的:研究三种牙齿根管工作长度测量方法的符合率。方法:选取临床上需进行根管治疗术的患牙153个(358个根管),使用TRI AUTO ZX根管治疗仪确定牙齿工作长度,与X线诊断丝照相法和器械探查法进行对比,研究3种牙齿工作长度测量法的符合率。结果:电测法与X线诊断丝照相法比较,符合率为92.46%,电测法与器械探查法比较,符合率为67.88%;X线诊断丝照相法与器械探查法比较,符合率为64.53%。结论:牙齿长度电测法是一种比较准确、客观的测量牙齿工作长度的方法。展开更多
In order to further improve the information disclosure system, provide measures for market members to guard against and avert risks, facilitate transactions and activate the market, the People's Bank of China publ...In order to further improve the information disclosure system, provide measures for market members to guard against and avert risks, facilitate transactions and activate the market, the People's Bank of China publicized the Reply to Admit 18 Securities Companies including Hualong Securities Co. Ltd. into the national interbank funding market on October 25, 2002. It is clearly stipulated that securities companies must regularly disclose such information as their basic situation, the evolutionary history, financial statements, and alternations of equities to other market members through the展开更多
文摘目的:研究三种牙齿根管工作长度测量方法的符合率。方法:选取临床上需进行根管治疗术的患牙153个(358个根管),使用TRI AUTO ZX根管治疗仪确定牙齿工作长度,与X线诊断丝照相法和器械探查法进行对比,研究3种牙齿工作长度测量法的符合率。结果:电测法与X线诊断丝照相法比较,符合率为92.46%,电测法与器械探查法比较,符合率为67.88%;X线诊断丝照相法与器械探查法比较,符合率为64.53%。结论:牙齿长度电测法是一种比较准确、客观的测量牙齿工作长度的方法。
基金financially supported by National Natural Science Foundation of China(U1864209)Shanxi Province Key Research and Development Plan Project(201903D211002)Shanxi Agricultural University Doctorat(SXBYKY2021021,2020BQ80)。
文摘In order to further improve the information disclosure system, provide measures for market members to guard against and avert risks, facilitate transactions and activate the market, the People's Bank of China publicized the Reply to Admit 18 Securities Companies including Hualong Securities Co. Ltd. into the national interbank funding market on October 25, 2002. It is clearly stipulated that securities companies must regularly disclose such information as their basic situation, the evolutionary history, financial statements, and alternations of equities to other market members through the
基金the financial supports from the National Natural Science Foundation of China (No. U1864209)Jincheng Science and Technology Plan Project of Shanxi Province, China (No. 201702014)。