结扎丝

方法将Begg矫正技术中的有后倾弯的唇弓改良，放于方丝弓托槽的龈方，结扎丝将其悬吊于托槽上，再通过适当Ⅱ类牵引和下颌的颌内牵引，打开咬合。

Materials and methods Begg tip-back arch wire was ligated to the gingival side of edgewise brackets and Class ⅱ elastics were used .

方法：选择10例上前牙外伤致松动的患者，应用直径为0.25mm金属结扎丝加光固化复合树脂固定，消除咬合创伤，随访观察6-24个月。

Methods To choose more than 10 cases that the patients'anterior teeth loosened traumatically , apply medical metal wire (Φ 0.25mm ) to ligate and light curing Microglass composite to splint , relieve the occlusive trauma and observe 6-24 months .

正畸结扎丝结扎大鼠左上第一磨牙，建立牙周炎动物模型。

Establish the animal model of periodontitis by orthodontic ligature . 4 .

结扎丝与结扎圈在正畸应用中的比较研究

A comparative study of stainless steel ligature and elastometric rings in fixed appliance

托槽-弓丝-结扎丝结构的磨擦力研究

A Study of the Frictional Force of Bracket - wire - ligature Structure

1个月后拆除结扎丝，术后3年随访追踪观察。【结果】150例患牙经术后3年复查，总有效率为96.67%；

One hundred and fifty cases were followed-up for 3 years postoperatively , total effective rate was 96.67 % ;

方法67例4～16岁的116颗外伤松牙，常规粘结托槽、方丝及结扎丝8字结扎固定，3个月后拆除。

Methods : Sixty-seven patients with 116 trauma teeth were fixed with edgewise appliance . The appliance were removed after 3 months .

镍铬合金是目前应用最多的金属，正畸用托槽、结扎丝、烤瓷牙基底冠、铸造冠等大部分牙科用金属材料的成分为镍铬合金。

We make use of Ni-Cr alloy to make bracket , orthodontic wire , porcelain fused to metals crown , cast crown and so on .

结果：裂隙临时采用结扎丝、带环、临时冠固定后治疗和修复的成功率分别是69.44%、88.57%、93.88%，临时冠固定与结扎丝固定的差异有显著性，与带环固定的差异无显著性；

88.57 % ? 93.88 % . Fixation with temporary crown is obviously different from fixation with ligation wire , but there 's no significant difference between fixation with temporary crown and with band .

结果采用釉质粘合剂辅助结扎弓丝的直丝弓矫治器固定的16例患者中，固定的总牙数是31颗，成功30颗，失败1颗；

Results Used the straight-wire correcting with enamel bonding agent fixed 31 teeth of 16 patients , succeed 30 examples , were defeated 1 examples .

为了克服在更换火腿肠生产规格时调整包装设备存在操作复杂效果差的缺点，建立了火腿肠自动充填结扎机铝丝定长输送机构优化数学模型。

A mathematical model to adjust aluminium silk conveying mechanism of sausage packing machine was developed to overcome the complex course and bad effects during changing the specification of sausage .

结扎组采用正畸结扎丝结扎上颌第一磨牙，并给予高糖饮食建立牙周炎动物模型，低氧组置于低压氧舱建立模拟高原牙周炎动物模型，常氧组置于正常环境饲养。

Ligation group was performed ligation on first molar of upper jaw and high carbohydrate diet was given to establish animal model of periodontitis . The highland group was put at low pressure oxygen chamber and plain group put under normal environment and diet . 3 .

目的：通过摩擦力实验，研究各种托槽-弓丝组合、结扎方式与结扎力对托槽-弓丝-结扎丝结构摩擦力的影响，探讨对托槽-弓丝-结扎丝结构摩擦力影响最显著的因素。

Objective To study the effect of brackets , wires and ligatures on the frictional force of bracket-wire-ligature , and to investigate the most significant factor that affected it by the friction experiment .

结论在150g和300g结扎力下，唾液增大了托槽-弓丝-结扎丝结构的摩擦力。

Conclusion At 150 g and 300 g ligation force , the frictional force of bracket-wire-ligature structures was increased in the saliva .