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本研究采用HE、Mallory、派若宁染色和酸性非特异性酯酶染色观察增生性龈炎组织内的炎症细胞和炎症状况。据观察多数病例的沟内上皮有溃疡,下方炎症细胞密集浸润。结果表明,轻度炎症中沟内上皮糜烂溃疡少,重度炎症中糜烂溃疡多。T淋巴细胞多位于上皮内和结缔织浅层,而结缔织深层主要是浆细胞浸润,深部坏死灶由浆细胞残屑和胶原纤维碎片组成。故可认为增生性龈炎的发生发展基本类似单纯性龈炎,但增生表现更为突出。
In this study, HE, Mallory, Pyrrrodine staining and acid nonspecific esterase staining were used to observe inflammatory cells and inflammatory conditions in proliferative gingivitis tissues. It is observed in most cases of ditch epithelial ulcers, infiltration of inflammatory cells below. The results showed that mild inflammation in the ditch less epithelial erosion ulcer, severe inflammation, erosion and more ulcers. T lymphocytes are mostly located in the epidermis and connective tissue superficial layer, while connective tissue is mainly plasma cell infiltration, deep necrotic lesions by plasma cells debris and collagen fiber fragments. Therefore, the occurrence and development of hyperplastic gingivitis can be considered similar to simple gingivitis, but the performance of hyperplasia is more prominent.