无牙

Methods30 nonextraction patients treated in the department of orthodontics in Shandong University in the same time period were enrolled in this study. The threepoint bending test was used to measure the strain and stress of arch wires at 37?℃.

方法选取山东大学口腔医学院正畸科同一时期内收治的30例上颌后牙段基本无拥挤的非拔牙矫治患者，利用三点弯曲试验装置（MTS Tytron 250， USA），检测未经使用、使用4周、8周及12周的镍钛弓丝在37？

This study finds that there is good effect on restoring the large defect in pulpless teeth body with retention form and resistance form prepared by zinc phosphate cements, matching dental amalgam restoration.

而利用锌汀制备一定的固位形和抗力形，配合银汞合金修复无髓牙牙体大面积缺损。

Still have, notice to see wound, if have a the row thin tooth to print, bite for the not poisonous snake, there is no problem;If there are two deeper tooths print, be a snake to bite, have to press the above-mentioned processing.

还有，注意看伤口，如果有一排细牙印，为无毒蛇咬伤，没有什么问题；如果有两颗较深牙印，就是毒蛇咬伤，必须按上述处理。

Methods Separately adopted porcelain- biscuit coronal with traditional metal margin and non- noblemetal, and with Jiantai porcelain margin and non- noble metal to restore the damaged teeth, and defective teeth, thenobserved whether the color of the gingival margin changed or not, checked the intensity of the tooth margin restored.

分别采用传统金瓷边缘非贵金属烤瓷冠和肩台瓷边缘非贵金属烤瓷冠两种方法修复牙体、牙列缺损，随访观察牙龈缘变色现象有无，检查修复体边缘密合度。

Supply contact group, were positive,, mountain hafnium, butt Qi, Wang main parts such as automatic lathes, table lathes have, belts, steam-driven chuck Block, Grinding, open closed claw, Tool,òsmall motors, clutches, cam blanks, chuck, drilling chuck, cam, cam Events, cam thimble, tools, wheel discs, retaining materials arm, S plate, rolling round silk flower attack, attack left tooth wire, drill bits, L-drill, round bars, tungsten steel round bars, die, plate braces, dental regulation, cone, non-ditch attack silk, silk YAMAWA attack Japan, Japan OSG silk attack.

供应洽群、名阳、昌勇、山铪、錡夆、王主等自动车床零配件，有桌上车床、皮带、汽动夹头座、磨刀机、开闭爪、车刀、打油小马达，离合器、凸轮毛胚、夹头、钻尾夹头、凸轮、活动凸轮、凸轮顶针、车刀、砂轮碟，挡料臂、S型板、滚花轮丝攻，左牙丝攻、钻头、左旋钻头、圆棒，钨钢圆棒、板牙、板牙套、牙规、牙轮、无沟丝攻、日本YAMAWA丝攻、日本OSG丝攻。

gap by law easy to use, easy to grasp, apply to the relatively high crown boneless resistance, resistance to a small adjacent teeth, the roots for the integration of the root or the root bifurcation cases, such as low lower the removal of impacted wisdom teeth; split crown law Requirements, flexibility in operation, more suitable for medium and low impacted significantly ditch and development, the root fork or a higher resistance to a larger adjacent teeth, and other cases, the lower-third-molar extraction.

结论增隙法操作方便、易于掌握，比较适用于高位、冠部无骨阻力、邻牙阻力小、根部为融合根或根分叉很低等情况下下颌阻生智齿的拔除；劈冠法要求条件高、操作灵活，比较适用于中、低位阻生且发育沟明显、根分叉较高或邻牙阻力较大等情况下下颌阻生智齿的拔除。

The stabilization splint is effective for treating sleep bruxism in short term,but can not affect the sleep structure and the incidence of micro-arousal.

稳定牙合垫对夜磨牙患者的牙齿磨动有所改善，但对于睡眠结构和睡眠微觉醒的发生无影响。

Results The bruxism episodes per hour decreased after wearing stabilization splint for 2 weeks,but the incidence of micro-arousal and the sleep stage did not change.

结果 使用稳定牙合垫2周后，每小时磨牙事件比治疗前有所减少，微觉醒指数、睡眠结构变化差异无统计学意义。

Swayig begnawing unleashmy paper paper teeth in, call the static state, to ensure the accuracy of the paper begnawing, still are counting on "" on adjusting screw to control, when swayig begnawing paper teeth rockers "" rock the block and if connecting rod in hand on the cam roller should be the minimum surface, gap 0.03 ~ 0.05mm, if less than 0.03mm or no gap is at rest time is too short or simply not still be in an inconsistent state, more likely to result in bilateral irregular misregister.

摆动咬纸牙在咬纸时，答在遨游状况下举行，以包管咬纸的不确性，遨游工夫是由&背景&上的调度螺丝来把持的，当摆动咬纸牙摆杆块与&背景&隔绝时，连杆牵手上的滚子答处于凸轮的最小背，间隙为0.03~0.05mm，如果小于0.03mm或底子操纵间隙不离表明遨游工夫太不幼或底子不离操纵遨游工夫，不兵处于不稳不退状况，较便当变成双边无法规套印禁绝的障碍。

Methods: Two hundred fifty five ill teeth of one hundred twenty three patients were veneered aesthetically, jacket crown, dowel crown, fixed bridge prosthesis by using Germany new type of restorative material Artglass.

应用无金属基底冠的Artglass前牙美容修复技术对123例患者255颗患牙进行美容贴面、全冠、桩冠、双端固定桥修复治疗。

They weren't aggressive, but I yelled and threw a rock in their direction to get them off the trail and away from me, just in case.

他们没有侵略性，但我大喊，并在他们的方向扔石头让他们过的线索，远离我，以防万一。

In slot 2 in your bag put wrapping paper, quantity does not matter in this case.

在你的书包里槽2把包装纸、数量无关紧要。