为了深入了解牙内陷的奥秘，苏州大学附属第九人民医院口腔科等机构的研究人员开展了一项针对上颌侧切牙罕见 II 型牙内陷的研究。他们希望通过对这一特殊病例的详细分析，找到更好的诊断和治疗方法，为广大患者带来福音。

Let’s start with a curiosity. Who said the newborn is completely split? Sometimes, albeit rarely, as soon as the child ...

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