用人工装置代替牙体的一部分或缺牙，恢复其形态、功能和美观的修复方式，患者不能自由取戴。
目的：观察松动基牙固定修复的临床疗效。
Objective: to observe the clinical therapy effects of loose abutment teeth with the fixed restoration.
目的探讨固定修复术对深龋牙髓健康的影响。
Objective To evaluate the impact of fixed prosthesis on pulp tissue of deep caries.
结论：基牙倾斜角度在70度内可以进行固定修复。
Conclusion: Abutment tilted less than 70 degrees can be fixed and repaired.
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