Tooth essence makes the principal part of tooth body, be located in enamel and tooth osseous lining, not as hard as enamel, there is one cavity to call dental pulp tune inside its. 牙本质构成牙体的主体,位于牙釉质与牙骨质的内层,不如牙釉质坚硬,在其内有一空腔称为牙髓腔。
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. 经培养之后,研究人员发现它们的结构已经成熟成为能够制作牙齿的成分。这些成分包括,象牙质、珐琅质、牙龈、血管和牙齿韧带等。
That's because hydrogen peroxide soaks through the protective outer coating of enamel and into the softer layer of dentin underneath, irritating the nerve-rich dental pulp at the core. 这是因为过氧化氢会渗入釉质的外部保护层并进入牙质下面的较为柔软的一层,刺激神经组织比较多的牙髓。
Outer layer of the tooth enamel and ivory to protect the pulp quality. 牙齿的外层有珐琅质及象牙质来保护牙髓。
Tooth is a special mineralized organ composed of the enamel, dentin, cementum and pulp, of which dentin is the main part of the teeth. 牙齿是特殊的矿化器官,由釉质、牙本质、牙骨质和牙髓组成,其中牙本质构成牙齿的主体。