另一个持久的症状通常是牙釉质发育不全。
发育畸形常见的为釉质发育不全，斑釉牙及过小牙等。
Development deformation is enamel commonly depauperate, spot glair tooth and too small tooth.
四环素变色牙、釉质发育不全、死髓变色牙、牙体间隙及牙体缺损缺失等因素均能够影响牙体或牙列的功用和美观，后者在前牙区尤其突出。
Objective To compare the esthetic effect and the change of periodontal tissue in restoring anterior teeth with porcelain fused to metal crown and all ceramic crown.
溶解度研究发现发育不全的釉质溶解度大，且达到平衡的时间短。
It took shorter time for the hypoplastic enamel powder to attain an equilibrium than the normal did.
溶解度研究发现发育不全的釉质溶解度大，且达到平衡的时间短。
It took shorter time for the hypoplastic enamel powder to attain an equilibrium than the normal did.
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