查询词典 tooth

Pitch circle diameter: d = mz = 3X12 = 36 Tooth crown heights: ha = m (f0 + x)= 3X (l +0.5)= 4.5 Tooth High: hf = m (f0 + cx)= 3X (l +0.25-0.5)= 2.25 Tooth full height: h = ha + hf = 4.5 +2.25 = 6.75 Addendum circle Chemical pumps diameter: Da = d +2 ha = 36 +2 X4.5 = 45 Fixed string tooth thickness: Sxn = m (π/ 2 * cos2a + xsin2a)= 3X (1.387 +0.6428 X0.5)= 5.125 Fixed string of high gear tooth thickness measurement: hxn = m (π/ 8 * sin2a + xsin2a)= 3X (0.7476X0.117X0.5)= 2.42 Modulus coefficient x0.5 m3 O20 ° pressure angle tooth thickness Sxn5.12 fixed string Addendum Coefficient string f1 fixed gear tooth thickness measurement most high hxn2.42 Teeth z12 2, shaft wear and tear maintenance: Axis gear pump wear is mainly because with the support roller shaft at both ends between the friction and wear, so that smaller shaft diameter.

分度圆直径：d=mz=3X12=36 齿顶高：ha=m（f0+x）=3X（l+0.5）=4.5 齿根高：hf=m（f0+c-x）=3X（l+0.25-0.5）=2.25 齿全高：h=ha+hf=4.5+2.25=6.75 齿顶圆直径：Da=d+2ha=36+2X4.5=45 固定弦齿厚：Sxn=m（π/2*cos2a+xsin2a）=3X（1.387+0.6428X0.5）=5.125 固定弦齿厚测量用齿高：hxn=m（π/8*sin2a+xsin2a）=3X（0.7476X0.117X0.5）=2.42 模数m3变位系数x0.5 齿形角o20°固定弦齿厚Sxn5.12 齿顶高系数f1固定弦齿厚测最齿高hxn2.42 齿数z12 2、轴的磨损维修：齿轮泵中轴的磨损主要是因为轴两端与支撑滚针间的摩擦磨损，使轴径变小。

Inside the source apply color to develop process in the tooth in formative of, such as four wreath vegetables deposition is in the tooth essence, will make tooth yellow, brown or dark gray, be called four wreaths plain tooths;If containing fluorine in the drinking water is excessive, may also cause fluorine spot tooth, the tooth noodles presents a white chalk color, the palm tree brown spot piece;If the tooth nerve is bad clay-cold, hemoglobin and germ resolve an outcome to combine to also make tooth black.

内源性着色是在牙齿发育过程中形成的，如四环素沉积在牙本质内，就会使得牙齿变成黄色、棕色或暗灰色，称为四环素牙；如果饮用水中含氟过多，也可能导致氟斑牙，牙面呈白粉笔色、棕褐色斑块；如果牙神经坏死后，血色素与细菌分解产物结合也可使牙齿变黑。

When tooth week the bag bag form after, alter to make piling up of food remnant, the tooth germ spot and tooth stone calculus etc., this kind of lately piles up the further breakage deeper tooth week film again, the result of thus continuous vicious cycle, eventually go to a tooth to support to organize all breakages for week almost exhausted, but make tooth difficult to escape to pull out of bad luck.

当牙周囊袋形成后，更易使食物残渣、牙菌斑和牙结石等的堆积，这种新的堆积又更进一步的破坏更深的牙周膜，如此不断的恶性循环的结果，终至牙周支持组织全部破坏殆尽，而使牙齿难逃拔除的恶运。

Tooth-correct, because of the reason of the Jiao tooth machine, majority all will the engine gum atrophies of linger effect, correct process in or the Jiao tooth uses tooth gold behind, the tooth gold can make the atrophic gum directly absorbed enough nourishment when contains and make atrophic gum reborn thus and shut to match appear because of tooth-correct of difficult see a gum of blind side, avoid bring because of the tooth-correct of the gum atrophy linger effect.

牙齿矫正，由于矫牙器的原因，多数都会引擎牙龈萎缩的后遗症，矫正过程中或矫牙后使用牙齿黄金，牙齿黄金在口含的时候可以让萎缩的牙龈直接吸收到足够营养，从而令萎缩的牙龈再生，闭合因牙齿矫正而出现的难看牙龈缝隙，避免因牙齿矫正带来的牙龈萎缩后遗症。

The first set of dometic washing tooth products in the world.------haolilai micro-computer tooth instrument , it became the best choice to wash tooth for people .because it completely canceled various worries of tooth and solved the six greateast evil of washing tooth in hospital. It completely absorbed the science result of prehuman. Such as : uesd the most adveanced ultrasonic technology, particular safety frequency of the CHAMPION,design of humanization,super and strong functions,convenient operation. It can compeletly protect tooth health and return your a good tooth,you will feel delightfully fresh in you mouth.!

世界上第一台家用洗牙产品--皓丽来微电脑洗牙仪，完全打消了人们去医院洗牙的种种顾虑，解决了去医院洗牙的六大弊病，成了人们洗牙的最好选择，皓丽来微电脑洗牙仪充分吸收前人科学成果，采用国际最新超声波技术，独特的CHAMPION安全频率，人性化的设计，超强的功能，方便简捷的操作，全心保护您的牙齿健康，还你一口好牙，给你一口清新怡人的口气！

Have the sufferer of tartar should periodical arrive the hospital cure and chase tartar etc. the clearance is clean and get a tooth bag for week, tooth week usually swells and overflows the Nong beard surgical operation treatment, with proud flesh in the clearance tooth week bag organization and the stone calculus in gum, make the tooth supported to organize for week reborn, recover, tooth loose but can adopt steel wire ligation or clipboard fix, make loose move a tooth mutual support, depend on, attain opposite stability, can bear the effect of certain dint.

有牙石的患者应定期到医院去治疗，把牙石等清除干净，患有牙周袋，牙周经常肿胀，溢脓者须手术治疗，以清除牙周袋内的肉芽组织及牙龈下结石，使牙周支持组织再生，恢复，牙齿松却者可采用钢丝结扎或夹板固定，使松动牙相互支持，依靠，达到相对稳定，能承受一定力的效果。

It shows in clinic as tooth sensitivity, pulpitis,periodontitis,food impaction ,deformation of basifacial caused of loss of occlusal height, temporomandibular disorder syndrome, etc. The wear property of artificial tooth material will lead a direct effect to restoration result, when it exists in oral environment. It will cause tooth enamel loss too much in a very short period, if the wear property of artificial tooth superior to tooth enamel; but if it is inferior to tooth enamel, serious wear will occur on restoration occlusions, which will lead to loss of bite functions and even decrease of occlusal vertical dimension, disorder of bite functions, etc. Therefore, it is important to artificialtooth material not only it"s biotic compatibility, mechanical function, chemistry property but also it"s wear property.

当口腔中存在修复体时，人工牙材料的磨耗性能也直接影响临床修复的效果，当其磨耗性能强于天然牙釉质门时，将会引起天然牙釉质过度磨耗；当其磨耗性低于天然牙釉质时，又会在较短时期内引起修复体咬合面磨损过度，失去咬合功能，严重者甚至出现咬合垂直距离降低，咬合功能紊乱等症状因此，对于人工牙材料除了考虑生物相容性、机械性能及化学性能外，还应考虑到材料的磨耗性能，而磨耗率的测定一直是评价天然牙及人工牙磨耗性能的优越指标之一。

The false teeth usually needs good solid Chi to do to prop up, but the part of general imperfection tooth, in addition to on business so collision and cause of drop a tooth, rest regardless is because the tooth week disease or shed off naturally, above 90%s all drops a tooth because the gum atrophies, this has an antinomy, if after cheating, Be roast the porcelain tooth props up of good tooth, gum also because of atrophying but loose how do?

假牙通常需要好的固齿来做支撑，但是一般缺失牙齿的部位，除了因事故碰撞而导致的掉牙，其余无论是由于牙周病或者自然脱落，90％以上都是由于牙龈萎缩而掉牙的，这就有个矛盾，如果做了假牙后，作为烤瓷牙支撑的好牙齿，牙龈也因为萎缩而松脱怎么办？

Roast the porcelain tooth usually needs good solid Chi to do to prop up, but the part of general imperfection tooth, in addition to on business so collision and cause of drop a tooth, rest regardless is because the tooth week disease or shed off naturally, above 90%s all drops a tooth because the gum atrophies, this has an antinomy, if after doing to roast a porcelain tooth, Be roast the porcelain tooth props up of good tooth, gum also because of atrophying but loose how do?

烤瓷牙通常需要好的固齿来做支撑，但是一般缺失牙齿的部位，除了因事故碰撞而导致的掉牙，其余无论是由于牙周病或者自然脱落，90％以上都是由于牙龈萎缩而掉牙的，这就有个矛盾，如果做了烤瓷牙后，作为烤瓷牙支撑的好牙齿，牙龈也因为萎缩而松脱怎么办？

67 of old person latent to split tooth carry on clinical diagnosis, adopt the complex treatment method according to different situations to 63. 4 shallow form latent to split tooth, dental pulp normal having subjective symptoms to be only competent to transfer tooth treat jointly; Have deeper crackle as to 5, the vigor of dental pulp is normal, but there is trouble tooth of dentine irritated symptom, prepares against the hole, is filled with on the crack while adjusting the tooth contract; Pulpitis, 22 58 drops of trouble tooth with the sharp disease, symptom of the root already appear to 36, go ahead of the rest steel wire ring pitch or make, bring ring bonding in order to protect corona, rub except that high sharp abrupt slope, after dispelling the tooth and shutting the wound, the root canal with complete regeneration, observe for 2 weeks, after there is no clinical symptom, preceded and repair completely in time.

对63例老年人67颗隐裂牙进行临床诊断，并根据不同情况采用了综合治疗的方法。4颗浅表的隐裂牙，牙髓正常且无自觉症状仅行调牙合治疗；对于5颗有较深裂纹，牙髓活力正常，但有牙本质过敏症状的患牙，调牙合同时在裂隙处备洞、充填；对36颗已出现牙髓炎、22颗伴有根尖病症状的58颗患牙，先行钢丝环扎或做带环粘结以保护牙冠，磨除高尖陡坡，消除牙合创伤后，再行完善的根管治疗，观察2周，无临床症状后，及时做全冠修复。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失