有以下两种早萌现象，一种称诞生牙（natal tooth），另一种称新生牙（neonatal teeth）。诞生牙是指婴儿出生时口内已有的牙齿，新生牙是指出生后不久萌出的牙齿。
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研究人员发现，这种凝胶不仅能触发新细胞生长，也有助于形成一种附着机制让新生的牙细胞相互‘锁定’。
The researchers found the gel triggered the growth of new cells and also helped with adhesion - the process by which new dental cells 'lock' together.
结论用钛-镍记忆合金牵张器牵张，增高犬下颌后牙区牙槽嵴，新生骨质量可以满足种植等后期修复的要求。
Conclusions the canines mandibular posterior alveolar ridge could be augmented by distraction osteogenesis using Ti-Ni SMA distractor, and the new bone is strong enough for implant placement.
目的探讨新生儿期手术修复先天性唇裂及牙槽突裂的可行性。
Objective To discuss the possibility of surgical repair of congenital cleft lip and alveolar process cleft in neonate stage.
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