查询词典 tooth cement

Mainly be applicable to and arrange tidy, the lightly mid-degree tooth body of quality integrity changes countenance, whole the tooth light degree arrive mid-degree fluorine spot tooth, whole the tooth light degree four wreaths plain tooths, individual the tooth changes countenance, because the age increases the tooth color that the dentine change causes and delivers Huang and wants to become more white healthy buff tooth, heavy degree four wreaths plain tooth enamels sticks a noodles creation the bleach of front can make and whet in addition to of tooth quantity decrease, the effect is better.

主要适用於排列整齐、质地完整的轻中度牙体变色、全口牙齿轻度到中度氟斑牙、全口牙齿轻度四环素牙、个别牙齿变色、因年龄增长牙质改变引起的牙色发黄，想变得更白的健康浅黄色牙齿、重度四环素牙瓷贴面制作前的漂白可以使磨除的牙齿量减少，效果更佳。

Once was applicable to a small tooth, ex- tooth tooth cleft(the ≤ 2 mms), the whole the tooth light degree arrives to weigh a degree a fluorine spot tooth, whole light degree and mid-degree four wreaths plain toothses, whole tooth heavy degree four wreaths plain tooths match with bleach to also attain better effect, the tooth changes countenance separately, the tooth light degree arranges not and together and needs to change shape separately, and the external injury tooth breaks.

适用於过小牙齿，前牙牙齿间隙（≤2mm ），全口牙齿轻度到重度氟斑牙，全口轻度、中度四环素牙，全口牙齿重度四环素牙配合漂白也可以达到较好的效果，个别牙齿变色，个别牙齿轻度排列不齐，需要改变形状，外伤牙齿折断。

If the tooth leads small, ex- tooth tooth cleft(the ≤ 2 mms), the whole the tooth light degree arrives a mid-degree fluorine spot tooth, the whole the tooth light degree is four wreaths plain tooths, the tooth changes countenance separately, the tooth light degree arranges not and together separately, and the external injury tooth jot breaks.

如牙齿过小，前牙牙齿间隙（≤2mm ），全口牙齿轻度到中度氟斑牙，全口牙齿轻度四环素牙，个别牙齿变色，个别牙齿轻度排列不齐，外伤牙齿少量折断。

Serve main By : of project Polishing , the root canal cure , the periodontal disease cures the dentistry , clean tooth + establishing the tooth , tooth cosmetology , tooth flattening , fixing an artificial tooth , exercising the artificial tooth , children, extract a tooth , fill a tooth, health care and consult about.

服务项目主要为：植牙，牙齿美容，牙齿矫正，固定假牙，活动假牙，儿童牙科，洁牙+抛光，根管治疗，牙周病治疗，拔牙，补牙，保健与咨询。

objective: to evaluate the clinical application of helical ct for the location or treatment of maxilla embedded tooth in the dental orthopaedics.method: 18 cases with embedded tooth of maxilla were made with clinical examination, dentomaxillary pantomography, submaxilla lateral projection and helical ct.the operation be done for supernumerary tooth,distorted teeth,inverted tooth.three embedded tooth of non-inverted tooth were done by orthopaedics.result: among the 18 embedded tooth ,there were 11 palatally and 6 labially presented teeth,1 the 18 patients is mediately with completely inverted supernumerary tooth.all preoperative assessment are one and all in operative or orthopaedics and primary wound healing.

四川大学华西口腔医学院正畸科，四川成都 610041摘要：目的：正畸治疗中对上颌埋伏牙如何定性，定位，并要对此是采取手术拔除［1］或者是正畸治疗进行探讨。方法：对18例（其中1例为2颗多生牙，1颗多生牙已长出，另一颗为完全倒置的多生牙），上颌前部埋伏牙采用临床检查以及拍摄全景片、头侧位片螺旋ct轴位和表面成像等检查［2～4］对埋伏的多生牙、畸形牙和倒置牙共15例采用了相应的手术进路拔除，对形态正常且不倒置的3颗埋伏牙采用了正畸治疗。

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？

Experiment studied the possibility of substituting Portland cement for alumina cement to make low cement castable refactory. The results indicated that Portland cement may definitely substitute the alumina cement to make low cement castable with good performance, within the scope of low cement content of the modern low cement castable system.

试验研究了硅酸盐水泥替代矾土水泥制造低水泥耐火浇注料的可能性，结果表明在低水泥掺量的现代低水泥耐火浇注料体系中，硅酸盐水泥完全可以替代矾土水泥配制性能良好的低水泥耐火浇注料。

Investment project of municipal government of Tongliao Trade: building material industry No: 028 Project name Unique cement producing line Cooperation Mode Joint-venture cooperation individual Sum- mary Products Scheme Scale of Operation Forecasting Scales The need of cement is balanced at present, but the special cement (white cement, cement for dam, cement for road) of it is hard-to-get, the condition of it is advanced, the resources of the limestone for producing cement is one billion in Kulun County, and the calcium percentage is over 53%. The resource for producing cement of it will be one hundred million tons in the zone of project. The traffic and electricity power system for the project is plenty.

通辽市人民政府招商引资项目行业：建材 No：028 项目名称特制水泥生产合作方式合资、合作、独资均可项目概述产品方案经营规模销售预测目前，水泥市场呈供求平衡态势，但特种水泥（白水泥、大坝水泥、道路水泥）供应偏紧，而且对原材料的要求极高，库伦旗境内用于生产水泥的石灰石储量达10亿吨，CaC含量达53%以上，项目区符合生产特种水泥的石灰石储量达亿吨以上，项目区内交通便利，电力供应充足。

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。

Cable dampener cannot be rolled up but must be hung over the cable.

缆帆不能被卷起，必须保证处于展开状态

"This skylark is a present from my master," he says.

"这只云雀是我主人献上的礼物。"他说。