The epithelial cells of the follicular medulla differentiated into the reticular epithelial cells, the marginallayer and the core cells.
滤泡髓质区上皮分化为网状上皮,边缘层和芯细胞。
2
There were thin gaps or voids in the hybrid layer between the flowable composite resin and the enamel probably leading to marginal leakage and the adsorption of the germs.