倾斜牙刷是的刷毛指向龈线。
Tilt the brush so the bristles are pointing at your gum line.
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.
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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