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对５例含牙囊肿进行扫描电镜观察，其中３例为合开囊肿伴感染。无感染含牙囊肿的上皮村里表面较平滑，上皮细胞表面有许多突起和凹陷．感染含牙囊肿上皮衬里表面结构不连续，部分区域有上皮村里消失，上皮下的结缔组织外露．在囊腔表面有大量的炎性细胞，主要是Ｔ－淋巴细胞，有散在的球状菌杆状菌以及脱落的上皮细胞残片．作者认为由于上皮衬里不连续，炎性细胞、细菌，特别是厌氧菌进入囊腔，导致含牙囊肿的增大与感染的加剧．
Five cases of dental cysts were observed by scanning electron microscopy, of which three cases were complicated by cyst with infection. Infected with cyst-containing epithelial village surface smoother, there are many protrusions and dents on the surface of epithelial cells. Infection with dental cyst epithelial lining surface structure is discontinuous, some areas disappear epithelial village, epithelial connective tissue exposed. In the cystic cavity surface a large number of inflammatory cells, mainly T-lymphocytes, Bacillus spores bacteria scattered and shedding of epithelial cell debris. The authors believe that due to the discontinuous epithelial lining, inflammatory cells, bacteria, especially anaerobic bacteria into the cysts, resulting in increased cyst containing cysts and infection intensified.