crowding of teeth 中文意思是什麼
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Tooth crowding occurs if there is inadequate room for all permanent teeth to erupt or when the permanent premolars erupt and the growth of the jawbone stablizes
牙齒排列不整齊由於恆齒的體積比乳齒大，恆齒長出時可能不夠空位，引致牙齒排列參差不齊。
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