Van Beek's activator appliance could restrict the growth of maxilla and stimulate the growth of mandible in horizontal direction and control jaws posteroinferior rotation , lower front teeth and elongate mandibular molar in vertical direction.

Beek功能矯正器能在水平方向產(chǎn)生抑制上頜骨生長国产原创在线观看网站，刺激下頜骨生長乱伦小说图片视频；在垂直方向控制上下頜骨后下旋轉色久悠悠中文字幕，壓低上下前牙及伸長下磨牙的效果日韩欧亚自拍视频在线播放免费观看。

Molar ratio of hydrogen to benzaldehyde was increased in consecutive hydrogenation process, which is beneficial to enhancing the selectivity of benzyl alcohol.

在苯甲酸甲酯加氫連續(xù)步驟中的氫醛比得到提高，有效地抑制了副產(chǎn)物甲苯的生成麻豆AV在线免费观看。

When the molar ratio of H2O2 to benzyl alcohol was 0.9, the conversion of benzyl alcohol was 86.2%, the selectiv-ity of benzaldehyde was not less than 99%.

當H2O2與苯甲醇的物質的量比為0.9時www.国产盗撮.com，苯甲醇的轉化率為86.2%，苯甲醛的選擇性≥99%91天堂精品一区二区在线看。

But in malocclusion the size of cuspid and bicuspid group was correlated with that of mandibular incisor plus first molar group in the same dental arch.

臨床上對錯尖牙东北老妓女叫床脏话对白高清、雙尖牙組的預測不能簡單等同于正常。

Results: The average value of periodontal attachment level in the healthy adults was 5.03 mm in incisor zone, 2.93 mm in bicuspid zone, and 3.45 mm in molar zone.

結果 ：健康成年人牙周附著水平平均值前牙區(qū)為 5 日韩中文字幕无码一级毛片。0 3mm黑色在线视频播放、雙尖牙區(qū)為 2 。93mm精品黄色网站在线入口、磨牙區(qū)為 3.45mmav网站在线观看播放免费。

METHODS: Self-made stent was used as a positioning guide for implantation of mini-screw anchorage between the roots of upper second bicuspid and first molar.

對象：臨床篩選20 例(40枚)上頜需要強支抗的患者作為實驗組，以15 例(30枚)未使用定位輔助裝置植入上頜種植釘?shù)幕颊咦鲗φ铡?/p>

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

上下牙列從尖牙向后国产黄片视频免费看，牙尖高度值和托槽粘貼高度值呈逐漸減小的趨勢且依次減小約0.5mm偷拍网站导航。

Did you notice the black spot on my right molar.

有。你有留意到我右邊臼齒有一黑點嗎6080午夜影院三级片？

The optimum conditions were determined as follows:the molar ratio of butyraldehyde to glycol was 1∶1.6,the mass ratio of catalyst to reactants was 0.4%,the volume of cyclohexane as the water-carrying agent was 10 mL,and the reaction time was 60 min.

結果表明日韩黄页无码精品视频，磷鎢鉬雜多酸對合成丁醛乙二醇縮醛有較好的催化活性，適宜的反應條件如下：n∶n=1∶1.6日本黄a网站、催化劑用量為反應物料總質量的0.4%18禁止网站。、帶水劑環(huán)己烷用量為10 mL、反應時間為60 min人人操操操操操操。

The results show that the activation of coal gangue increases with the increasing of molar ratio of Ca to Si,and calcination temperature.

結果表明：隨著Ca與Si的摩爾比和煅燒溫度的提高精品国产无码在线观看，煤矸石樣品的活性也增加。