The main, calcareous part of a tooth, beneath the enamel and surrounding the pulp chamber and root canals.

 
  • 牙質(zhì),齒質(zhì)牙齒主要的鈣質(zhì)部分,在琺瑯質(zhì)下面,牙髓周?chē)?,植根于牙床的管道?/strong>
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