后牙

Then, it is gradually decreased from first bicuspid to second bicuspid, first molar, which are 3.96mm, 3.62mm and 2.95mm, respectively.

上下牙列从尖牙向后，牙尖高度值和托槽粘贴高度值呈逐渐减小的趋势且依次减小约0.5mm。

The length, width, axial gradient for the crowns,the heigh of gingival line,the width of anterior dentition and the ratio of crista marginalis of their teeth were measured and analysed in their photographs and dental casts after orthodontic treatment.

测量关于正畸治疗后上颌第一前磨牙和对侧尖牙的龈缘线高度和牙齿形态的6项指标：龈缘线高度、临床冠长度、宽度、单侧前牙列宽度、轴倾度和近远中边缘嵴比，进行两均数配对t检验，观察分析两组的差异。

Methods A total of 147 patients with dentin hypersensitivity were randomly divided into two groups, 74 patients with 215 teeth in treatment group were treated with GLUMA desensitizer, and 73 patients with 186 teeth in control group were treated with 750 g/L sodium fluoride.

选取牙齿感觉过敏症病人147例401个牙，随机分为两组：治疗组74例215个牙，用GLUMA系统处理剂脱敏；对照组73例186个牙，用750g/L氟化钠甘油脱敏，观察两组即刻，1个月，3个月后的疗效。

All ICOI Diplomates must also accumulate one hundred fifty (150) hours or more of "implant education" within five (5) years of becoming an ICOI Diplomate.

在成为ICOI植牙院士后，所有ICOI植牙院士必须要在5年内累计接受150小时或更长时间的"植牙教育"。

Results:Results of HE staining after pulsed CO2 laser irradiation: statistical results of vacuole change of the odontoblast and vascular engorgement, hemorrhage of dental pulp were as following: there were statistical difference between A and C, A and D, A and N P

结果：脉冲CO_2激光照射后HE染色结果：成牙本质细胞空泡性变和牙髓血管充血和出血情况的数据经统计学分析后得出：A组和C组、D组、N组差异有统计学意义P

Four nights out of teeth or missing teeth, some children are not one-half-year-old teeth, the former delayed fontanel closure, often in one half-year-old is still not closed.

四、出牙晚或出牙不齐，有的小儿1岁半时仍未出牙，前囱门闭合延迟，常在1岁半后仍不闭合。

We always instal the crowns 2 to 3 months after the operation.

在植牙完成后，通常在2至3个月后安装牙冠。

The rest 4 cases were distracted by rigid distraction and extraoral hooks at the beginning.

结果显示，牵引后，上切牙前移距离为5-11mm（平均7.8mm）；牵引结束后，前牙反〓全部解除。

After functional appliance treatment of Angle class two division one subdivision malocclusion with mandibular retrusion , the trace of condylar movement is changed obviously, following the change of overbite, overjet and the suitable condylar rebuilding after functional appliance treatment.

下颌后缩型安氏Ⅱ类1分类错牙合在功能矫治结束后，髁状突发生了适应性改建，其覆牙合、覆盖较功能矫治前减小，髁突运动轨迹也发生了相应的改变。

Sea perch embryos were cryopreservated in liquid nitrogen for 0.5~24h, 4 survival embryos were also obtained and one of them hatched, furthermore the fry without feeding survived for 3 days.

其中妒鱼胚胎成活4枚，孵化1枚，孵化后的妒鱼苗在没有投喂饵料的情况下存活了3天(在液氮中保存了28h)；牙醉胚胎成活5枚，孵化4枚，孵化后其中l尾牙虾苗在没有投喂饵料的情况下存活了6天(在液氮中保存了24h)。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。