Effect of 0.4 % stannous fluoride gel on streptococci mutans in relation to elastomeric rings and steel ligatures in orthodontic patients .

0.4%氟化亚锡凝胶对正畸患者弹力结扎圈及结扎钢丝上变形链球菌的作用。

Conclusions : monitored the ischemia signs of trumatized limb carefully is very important to the diagnosis of arteries injuries early ; repaired injuried arteries using microsurgical technique is benefit to reduce amputation rate ; controlled bleeding by clamps and ligatures will lead to arteries defect .

结论：严密观察损伤肢体缺血现象对动脉损伤的早期诊断至关重要；应用显微外科技术早期修复损伤动脉有助于降低截肢率；钳夹与结扎止血是动脉缺损原因之一。