Objective To compare the effect of gingival retraction paste and gingival retraction cord in the immediate restoration of teeth fracture.
目的 比较排龈膏与排龈线在劈裂牙即刻固定修复中的排龈效果。
参考来源 - 两种排龈技术在劈裂牙即刻修复中的临床效果比较·2,447,543篇论文数据，部分数据来源于NoteExpress
图72-20偏斜排龈线与印模排龈线一起置位样。
Figure72-20 Deflection cord and impression cord are in place.
目的分析国产排龈线对冠桥修复后牙体、牙龈、牙周组织、修复体边缘的适合性。
Objective To analyze the adaptability of home-made gingival retraction cords applied to tooth bodies, gums, periodontiums and prosthetic margins in the state of post-fixed prosthodontic.
结论：固定修复中使用排龈线可以明显提高颈缘制备的精度和密合度，具有良好的临床效果。
Conclusion: the use of knitted retraction cord during fixed prosthodontic treatment obviously improves the preparation of cervical margins of teeth with a high degree of precision and adaptation.
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