Conclusion: the use of knitted retraction cord during fixed prosthodontictreatment 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。
2
This case report describes prosthodontic complications resulting from the surgical placement of a single implant and treatment following these complications.
本个案报告描述修复并发症引起的手术安置一个单一的种植和治疗下列并发症。
3
Both the surgical and prosthodontic procedures are described for the treatment of a 57-year-old man who had previously received a single implant for the replacement of a missing molar.