Conclusion: Amalgam post and core technique is conservative in restoring molars for its curved root canal, big root furcation, C-shaped root canal and large pulp chamfer.
结论：对于根管弯曲、分叉大、髓室大、C型根管的磨牙，银汞桩核技术有着明显的优势。
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。
And they were then gradually decreased with fruit grown up. The diameter and density of stone cells near the core and the skin of fruit were larger than that of middle part pulp.
石细胞团的分布特点是以近果心和近果皮处石细胞团分布密度高，直径大，中层果肉中石细胞团密度低，直径小。
And they were then gradually decreased with fruit grown up. The diameter and density of stone cells near the core and the skin of fruit were larger than that of middle part pulp.
石细胞团的分布特点是以近果心和近果皮处石细胞团分布密度高，直径大，中层果肉中石细胞团密度低，直径小。
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