患者，女，45岁，<img src="/Image1/dd/dd6a78f9eb4336afffc2d35426824b2e.gif" />缺失，<img src="/Image1/1b/1be7dcdfff231bdb55652324107bdab3.gif" />近中倾斜低位阻生，<img src="/Image1/24/240afe2c5b44a963dd3732888addde61.gif" />缺失，<img src="/Image1/6c/6cc02b258d4689292e136b19098ce88e.gif" />为基牙做开面冠固位体形式的固定桥修复，固定桥区域牙龈红肿，牙石（++），基牙松动Ⅰ度，<img src="/Image1/c0/c0014bb2518d43aa3c026537d6feef87.gif" />牙体完整，无叩痛，均有Ⅰ度松动。缺牙区最佳修复方法（）<br>A:<img src="/Image1/ef/ef5c99e8a5d93915a48bea58dd444ec9.gif" />为基牙活动修复<br>B:<img src="/Image1/89/893b3bddcbc055474616d6422f3f5fd1.gif" />为基牙活动修复<br>C:<img src="/Image1/32/32d95a0773861ab296da5b0023aa479b.gif" />为基牙固定修复<br>D:<img src="/Image1/c0/c0014bb2518d43aa3c026537d6feef87.gif" />为基牙固定修复<br>E:<img src="/Image1/d2/d2831f81f98d91c917102c171f5e0cb1.gif" />为基牙固定修复