Objective To evaluate the impact of fixed prosthesis on pulp tissue of deep caries.
目的探讨固定修复术对深龋牙髓健康的影响。
To compare the relationship between the artifact of different fixed prosthesis and field strength, scanning sequence.
同时比较不同修复体产生伪影与磁场强度及扫描序列之间的关系。
Objective: To study the clinical effect of dual metal ferrule for on fixed prosthesis in the residual roots and crowns.
目的：探讨双重金属领圈在残根、残冠修复治疗中的临床效果。
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