Among them , supernumerary teeth and root dilacerations are two common local factors.

此外许多先天的遗传疾病及营养失调也可能会引发或合并有多颗牙齿不能顺利萌出的情形.

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In addition , this will also cause a nutritional imbalance that [ prevents them from having healthy bodies ].

不仅如此, 也会导致营养失调,而无法拥有健康的身体.

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