后牙

Human jaws are called edentulous jaws when all teeth have been lost, and need to replaced by full dentures.

人类的上下颌牙齿全部缺损后，称为无牙颌，需要全口义齿修复。

Embryologic fusion of facial maxillary processes results in formation of paired epithelial strands that traverse the incisive canals caudally and ventrally connecting nasal and oral cavities.

面部上颌突胚胎期融合导致具有上皮组织的鼻腭导管形成，其横行穿过切牙管的后侧及腹侧，联通鼻及口腔。

This type of decay can eat through enamel and leave a large cavity in a matter of months.

这种类型的龋坏可以通过腐蚀牙釉质在几个月后形成大的龋洞。

John had to see a dentist, as a result, he left the room after excusing himself.

约翰必须去看牙，因此他表示歉意后离开了房间。

Fluorine and phosphorus were measured with electrochemical analysis and spectrophotometry;the ratio of F to P was calculated.

清除结石，用优级纯硝酸冷消化处理后，分别采用电化学分析法和分光光度法测定离体牙氟和磷的含量并计算氟磷含量比。

After four weeks, the fluoride levels in the femora and teeth of fluoride treated group were ten times higher than that of the control group.

尿羟脯氨酸、血清羟脯氨酸含量实验前后两组间未见显著差异，4周后实验组骨和牙氟含量比对照组高十几倍。

Dr. Fosdick has cleaned his teeth after meal for thirteen years and has not had a single decayed tooth.

"Fosdick医生坚持13年每餐后刷牙，结果没有一颗蛀牙"，所以选择选项。

If an abnormal frenulum is left untreated, it can result in marginal tissue recession, diastema, post-orthodontic relapse, may interfere with plaque control, prosthesis fabrication, and wound stability following surgery, and may affect facial esthetics and phonetics.

唇系带的异常附著会拉扯牙龈边缘并限制唇的运动，可能因此引起牙龈退缩、牙间隙、齿颚矫正治疗后复发、影响菌斑控制、假牙制作或术后伤口的稳定，甚至於影响美观与发音。

Because tooth after I am thoroughly pure to brush of will have inside the half an hour the new germ spot forms, can attain the biggest quantity within 30 days, as time passes namely become tooth stone calculus.

因为牙齿在彻底清刷后的半小时内即会有新的菌斑形成，在30天内可达到最大量，久而久之即成为牙结石（就和烧水壶里堆积的软垢一样）。

Fuse tartar therapy:The tooth gold biotechnology product that contains a natural plant through to lift to do has no chemistry additive, just like flavor, don't need into appetite absorption, brush teeth to gargle and then can see obvious effect just after needing through contain, use in brief, safety Gao, belong to have no pain go to stone, principle be pass to refine from the plant but of essence composition, reaction happen with tartar this kind of chemistry derivatives, thus attain thorough gum fuse tartar of effect, the tooth stone calculus sheds off to recover the sheen that tooth surface originally possessed, passing to brush teeth will have been already fused of gums bottom the tartar clean up, after return can plus the 1 F protection film in the tooth surface, make the tartar no longer easily re- adhered to.

溶解牙石疗法：通过口含天然植物提练的牙齿黄金生物科技产品，无任何化学添加剂，无异味，无需进入肠胃吸收，只需要通过口含后刷牙漱口就可以看到明显效果，使用简单，安全性高，属于无痛去石，原理就是通过从植物中提炼而出的精华成份，跟牙石这种化学衍生物发生反应，从而达到深入牙龈溶解牙石的功效，牙结石脱落恢复牙齿表面原有的光泽，通过刷牙可将已溶解的龈下牙石清理出来，之后还能在牙齿表面加上一层保护膜，让牙石不再容易重新附着。

And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

47：5 法老对约瑟说，你父亲和你弟兄们到你这里来了。

Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.

提出了用测地线方程、曲面上两点间短程线来计算膜结构曲面测地线的方法，同时，采用测地线间垂线的中点连线和用无约束极值法进行空间条状曲面近似展开的分析。