If baby teeth are lost prematurely, the permanent teeth may erupt malpositioned and require orthodontics later on.
如果婴儿过早的失去牙齿，恒牙可能会爆发式的错位长出而需要正畸。
Baby teeth won't fall out until your child's permanent teeth are ready to come in, beginning around age 6.
大概到6岁左右，宝宝的恒牙开始长出来，这时乳牙才会脱落。
That said, there's no evidence that pacifiers cause any permanent damage to baby teeth – they usually return to normal after a few pacifier-free months.
但是，并没有证据显示奶嘴会对宝宝牙齿造成永久性的伤害，一般情况下，在戒掉奶嘴几个月后宝宝牙齿就会恢复正常。
The bigger concern is permanent teeth, which usually start coming in around age 4 to 6.
恒齿通常在4到6岁左右开始长，这时更应引起注意的。
By 7 months: All permanent teeth are in and are white and clean.
7个月，恒牙都长了，又白又齐。
Permanent teeth erupted earlier in females than in males.
女性恒牙萌出时间一般都较男性早；
Palmer notes that tooth decay in baby teeth can result in damage to the developing crowns of the permanent teeth developing below them.
Palmer指出婴儿牙齿蛀牙可能会损害它们下方的恒牙牙冠的生长。
While primary teeth will at one stage be replaced by the permanent teeth, they are very important for several reasons including chewing and speech.
而乳牙会在某一阶段改为由恒牙，他们是很重要的原因有几个，包括咀嚼和讲话。
While primary teeth will at one stage be replaced by the permanent teeth, they are very important for several reasons - including chewing and speech.
虽然乳牙会在某一阶段全部更换为恒牙，他们是非常重要的几个原因，包括槟榔、讲话。
Rabbits have two front teeth of overlap, they are permanent teeth are long, in order to maintain moderate length, need some time to eat hard food, such as bamboo, branches, etc.
小兔子有两对重叠的门牙，它们是恒牙，会不断长长，为了保持长短适中，需要定时给它吃些硬的食物，如竹子、树枝等。
You wished for your child to have all permanent teeth.
你多希望孩子的牙都换成了恒牙。
Baby teeth save space for permanent teeth. It is important to keep baby teeth healthy so they don't fall out early.
乳牙为恒牙占住空间。保持乳牙健康，从而它们不会过早脱落是很重要的。
Most dentists recommend the permanent molars and premolars to be sealed because these are the teeth that have the deepest grooves.
大多数牙医建议封闭恒牙的磨牙和双尖牙，因为磨牙的窝沟比较深，乳牙通常不用做窝沟封闭。
Methods: Measuring 1400 permanent teeth with special dental vernier calliper in vitro.
方法：用牙科专用测量尺测量1400个离体恒牙牙颈曲度。
Kits have what are called "milk teeth" until about 7 to 9 weeks old when their permanent canine teeth begin to come in.
小狗刚开始的时候是乳牙，一直到7至9个星期他们的犬牙才会开始生长。
Objective To observe the effect of pulpotomy in treatment of juvenile permanent teeth lesion.
目的观察活髓切断术在青少年恒牙治疗中临床疗效。
Objective To investigate the status of number and morphology anomalies in the permanent teeth.
目的调查青年人恒牙牙齿形态和数目异常的状况。
Objective To evaluate the maxillary protraction appliance permanent teeth combined rapid expansion of early bone anterior crossbite effectiveness.
目的评价前方牵引器联合快速扩弓矫治恒牙早期骨性前牙反牙合的有效性。
Objective To study the expression and significance of Vascular Endothelial Growth Factor(VEGF) in the development of dogs permanent teeth germs.
目的：探讨犬乳恒牙替换过程中血管内皮生长因子（VEGF）在犬恒牙胚发育中的表达及意义。
METHODS: Digital Technology automatic pulp vitality tester was used to detect 256 permanent anterior teeth of children, and the scores were compared with the X-ray films of the teeth.
方法：采用自动数字显示电活力检测仪对256个儿童恒前牙进行测试，并与X线片进行比较。
Objective: To study the tooth size correlation between permanent cuspid and bicuspid group and other teeth groups in malocclusion.
目的：研究错牙合、正常牙合的尖牙、双尖牙组与其它组牙的相关性，为尖牙、双尖牙组的预测提供科学依据。
The enamel microstructure of 4 permanent teeth of Lufengpithecus lufengensis was observed with SEM.
运用扫描电子显微镜，对4枚禄丰古猿牙齿（恒齿）的釉质结构进行了观察研究。
The eruption of permanent teeth have a certain amount of time and sequence.
恒牙的萌出有一定的时间和次序。
The replacement of primary and permanent teeth is an important part that belongs to the growth and development of animals' teeth and maxillofacial region.
乳恒牙替换是动物牙齿及颌面部生长发育的重要阶段，包含有乳牙根、牙槽骨的吸收、恒牙胚的发育和恒牙萌出等一系列复杂的生理过程。
Conclusion: This method which can survive the root-fractured young permanent anterior teeth is practical and effective for dental clinic.
结论：根管内加齿槽骨钛桩内固定即刻修复年轻恒前牙根折，方法简单可行，临床应用效果好。
This case report illustrates the usefulness of autotransplantation as a viable treatment option in children with missing permanent teeth.
本病例报告说明了有用的自体移植是一种可行的治疗选择与失踪儿童恒牙。
CONCLUSION: It is necessary to observe the concussed mature anterior permanent teeth for 3 months.
结论：成熟恒前牙牙震荡后有必要进行3个月的追踪观察。
Objective: To evaluate the effectiveness of the segmental arch technique in fixing replanted traumatically avulsed permanent teeth.
目的：评价正畸片段弓技术应用于固定外伤脱位再植牙的效果。
Objective: To evaluate the effectiveness of the segmental arch technique in fixing replanted traumatically avulsed permanent teeth.
目的：评价正畸片段弓技术应用于固定外伤脱位再植牙的效果。
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