患者女，42岁。5|缺失一年要求固定义齿修复。口腔检查：5|缺隙大小正常，牙槽嵴无特殊；64|不松动，活髓，无龋损。为该患者实施了⑥5④|全冠烤瓷桥修复。该患者固定义齿戴用3个月后，修复体龈缘处龈组织充血，水肿疼痛，易出血。主要原因不包括（　　）。

[单选题]患者女，42岁。5|缺失一年要求固定义齿修复。口腔检查：5|缺隙大小正常，牙槽嵴无特殊；64|不松动，活髓，无龋损。为该患者实施了⑥5④|全冠烤瓷桥修

[单选题]What is apartheid? It is the policy of keeping African 　1　, and separate 　2

[单选题]What is apartheid? It is the policy of keeping African 　1　, and separate 　2

[单选题]What is apartheid? It is the policy of keeping African 　1　, and separate 　2

[单选题]What is apartheid? It is the policy of keeping African 　1　, and separate 　2

[单选题]What is apartheid? It is the policy of keeping African 　1　, and separate 　2

[单选题]What is apartheid? It is the policy of keeping African 　1　, and separate 　2

[单选题]What is apartheid? It is the policy of keeping African 　1　, and separate 　2

[单选题]What is apartheid? It is the policy of keeping African 　1　, and separate 　2

[单选题]What is apartheid? It is the policy of keeping African 　1　, and separate 　2