目的 :评价盐酸奥布卡因凝胶在牙科畏惧症患儿中的应用。方法 :110例患儿随机分成2组。实验组56例,采用盐酸奥布卡因凝胶联合阿替卡因肾上腺素注射液局部浸润麻醉;对照组54例,采用阿替卡因肾上腺素注射液局部浸润麻醉。比较两组患儿改...目的 :评价盐酸奥布卡因凝胶在牙科畏惧症患儿中的应用。方法 :110例患儿随机分成2组。实验组56例,采用盐酸奥布卡因凝胶联合阿替卡因肾上腺素注射液局部浸润麻醉;对照组54例,采用阿替卡因肾上腺素注射液局部浸润麻醉。比较两组患儿改良疼痛行为量表(modified behavioral pain scale,MBPS)评分和改良儿童牙科焦虑面部表情量表(a face version of the modified child dental anxiety scale,MCDASf)评分。结果 :实验组55例完成治疗,对照组48例完成治疗,对照组患儿的评分明显高于实验组,且差异有统计学意义(P<0.001)。结论:盐酸奥布卡因凝胶降低了注射麻药时的疼痛,缓解了儿童牙科畏惧心理,适合临床推广应用。展开更多
An improved level set approach for computing the incompressibletwo-phase flow with significantly de- formed free interface ispresented. The control volume formulation with the semi-implicitmethod for pressure-linked e...An improved level set approach for computing the incompressibletwo-phase flow with significantly de- formed free interface ispresented. The control volume formulation with the semi-implicitmethod for pressure-linked equations consistent (SIMPLEC) algorithmincorporated is used to solve the governing equations on a staggeredgrid. Several improvements concerning the computational grid,interface update, reinitialization procedure etc. are tested Andfound to be effective in promoting the convergence and numericalstability.展开更多
文摘目的 :评价盐酸奥布卡因凝胶在牙科畏惧症患儿中的应用。方法 :110例患儿随机分成2组。实验组56例,采用盐酸奥布卡因凝胶联合阿替卡因肾上腺素注射液局部浸润麻醉;对照组54例,采用阿替卡因肾上腺素注射液局部浸润麻醉。比较两组患儿改良疼痛行为量表(modified behavioral pain scale,MBPS)评分和改良儿童牙科焦虑面部表情量表(a face version of the modified child dental anxiety scale,MCDASf)评分。结果 :实验组55例完成治疗,对照组48例完成治疗,对照组患儿的评分明显高于实验组,且差异有统计学意义(P<0.001)。结论:盐酸奥布卡因凝胶降低了注射麻药时的疼痛,缓解了儿童牙科畏惧心理,适合临床推广应用。
基金Supported by the National Natural Science Foundation of China (No. 29836130).
文摘An improved level set approach for computing the incompressibletwo-phase flow with significantly de- formed free interface ispresented. The control volume formulation with the semi-implicitmethod for pressure-linked equations consistent (SIMPLEC) algorithmincorporated is used to solve the governing equations on a staggeredgrid. Several improvements concerning the computational grid,interface update, reinitialization procedure etc. are tested Andfound to be effective in promoting the convergence and numericalstability.