牙髓变性(pulp degeneration):牙髓组织受到长期慢性刺激,或因根尖孔缩窄, 牙髓供血不足,使牙髓组织代谢障碍而出现不同程度和类型的退行性变,称牙髓 变性。
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atrophic pulp degeneration 萎缩性牙髓变性
fibrous degeneration of pulp [口腔] 牙髓纤维性变
pulp regrade degeneration 牙髓退行性变
fibrous degeneration pulp 牙髓纤维性变
calcareous degeneration pulp 齿髓钙化变性
The main changes were pulp inflammation, pulp necrosis and pulp degeneration.
其主要类型为牙髓炎症、坏死和退变。
In recent years have given AKD and fiber degeneration reaction AKD made fiber for the pulp sizing agent to reduce hydrolyzate and enhance sizing effect.
近年来也有先将AKD与纤维反应制成AKD变性纤维，用作浆内施胶剂，以减少产生水解物，并可提高施胶效果。
Results: Hyperemia, swelling, reduction of cell ingredient and variation of blood vessel occurred after refrigeration, The pulp tissue showed vascular degeneration and fibrosis at ultrastructure.
结果：冷冻后的组织病理特点是充血肿胀，细胞成份减少，血管变异。
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