After growing them, they found their structures had matured into the components that make teeth, including dentin, enamel, dental pulp, blood vessels, and periodontal ligaments.

这些细胞长成后，研究人员发现它们的结构已经分化成熟为各种成分并形成了牙本质、釉质、牙髓、血管及牙周韧带。

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After growing them they found their structures had matured into the components that make teeth including dentin enamel dental pulp blood vessels and periodontal ligaments.

这些细胞长成后，研究人员发现它们的结构已经分化成熟为各种成分并形成了牙本质、釉质、牙髓、血管及牙周韧带。

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CONCLUSION: Injury to dental pulp can take place in enamel caries stage, and it is associated with caries activity.

少量炎症细胞主要为淋巴细胞和单核细胞。结论：釉质龋时牙髓可以出现损伤性变化，且与龋损活动性相关。

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It can be extremely painful, especially if it is extensive enough to wear through the enamel and expose the dentine and tooth pulp underneath.

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