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目的观察暂时冠在固定冠桥修复中起的作用。方法给146颗准备做固定冠桥修复的基牙备牙后做临时冠并粘固直至最终修复体完成。结果 146颗暂时冠中有3颗孤立、牙冠短的反复脱落外,其余暂时冠在最终固定修复体制作期间无破损、折裂、且固位好。戴暂时冠的活髓基牙无冷热刺激疼,所有基牙保持了邻牙间隙及对()关系。结论对于要做固定冠、桥修复的基牙牙体预备后至最终修复体完成前这段时间无论活髓、死髓都应做暂时冠以保护基牙、保持修复空隙和咬合关系。
Objective To observe the role of temporary crown in the restoration of fixed crown bridge. Methods 146 abutments prepared for fixed crown restoration were temporarily crowned and cemented until the final restoration was completed. Results 146 of the temporary crown in 3 isolated, short repeated crown off, the rest of the temporary crown in the final fixed prosthesis without damage, fracture, and good retention. Temporary crown with temporary crown abutment without hot and cold irritation, all abutments to maintain the adjacent tooth gap and () relationship. Conclusion For fixed crown and bridge to be restored after abutment tooth preparation to the final restoration before the completion of this time regardless of the vital pulp, the dead pulp should be temporarily crowned to protect the abutment to maintain the repair gap and occlusion relationship.