#口腔知识小科普小孩牙齿为什么呈锯齿状孩子替换恒牙时,上下门牙萌出时切端呈锯齿状,我们将锯齿称之为牙齿的发育结节,它属于牙齿正常解剖形态,锯齿随着进食的磨耗,逐渐磨平,因此锯齿不是病,不需要处理。 https://twitter.com/DentistLee1/status/1181503397142253568
https://t.me/private_channel_c14370a/2938
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