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首页> 外文期刊>Journal of Clinical and Diagnostic Research >Retention of Implant Supported Metal Crowns Cemented with Different Luting Agents: A Comparative Invitro Study
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Retention of Implant Supported Metal Crowns Cemented with Different Luting Agents: A Comparative Invitro Study

机译：固着有不同诱剂的植入物支持的金属牙冠的保留：比较性体外研究

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Introduction: To overcome limitations of screw-retained prostheses, cement-retained prostheses have become the restoration of choice now a days. Selection of the cement hence becomes very critical to maintain retrievability of the prostheses. Aim: The purpose of this study was to assess and compare the retention of base metal crowns cemented to implant abutments with five different luting cements. Materials and Methods: Ten implant analogs were secured in five epoxy resin casts perpendicular to the plane of cast in right first molar and left first molar region and implant abutments were screwed. Total of 100 metal copings were fabricated and cemented. The cements used were zinc phosphate, resin modified glass ionomer cement, resin cement, non-eugenol acrylic based temporary implant cement & non-eugenol temporary resin cement implant cement. Samples were subjected to a pull-out test using an Instron universal testing machine at a crosshead speed of 0.5mm/min. The load required to de-cement each coping was recorded and mean values for each group calculated and put to statistical analysis. Results: The results showed that resin cement has the highest retention value 581.075N followed by zinc phosphate luting cement 529.48N, resin modified glass ionomer cement 338.095 N, non-eugenol acrylic based temporary implant cement 249.045 N and non-eugenol temporary resin implant cement 140.49N. Conclusion: Within the limitations of study, it was concluded that non-eugenol acrylic based temporary implant cement and non-eugenol temporary resin implant cement allow for easy retrievability of the prosthesis in case of any failure in future. These are suitable for cement retained implant restorations. The results provide a possible preliminary ranking of luting agents based on their ability to retain an implant-supported prosthesis and facilitate easy retrieval.
机译：简介：为了克服螺钉固定假体的局限性，如今，水泥固定假体已成为人们选择的修复体。因此，水泥的选择对于维持假体的可回收性变得非常关键。目的：本研究的目的是评估和比较用五种不同的路牙胶粘剂固定在种植体基台上的贱金属牙冠的保持力。材料和方法：将十个植入物类似物固定在垂直于右第一臼齿和左第一臼齿区域的五个环氧树脂铸模中，并旋入种植体基台。总共制造并粘合了100个金属顶盖。所使用的水泥是磷酸锌，树脂改性的玻璃离聚物水泥，树脂水泥，非丁香酚丙烯酸基临时植入物水泥和非丁香酚临时树脂水泥植入物水泥。使用Instron万能测试机以0.5mm / min的十字头速度对样品进行拉出测试。记录减少每次应对的所需负荷，并计算每组的平均值并进行统计分析。结果：结果表明，树脂胶泥的保留值最高，为581.075N，其次是磷酸锌胶凝水泥529.48N，树脂改性的玻璃离聚物胶泥338.095 N，非丁香酚丙烯酸基临时植入物水泥249.045 N和非丁香酚类临时树脂植入物140.49N。结论：在研究范围内，得出的结论是，非丁香酚丙烯酸基临时种植体水泥和非丁香酚临时树脂种植体水泥可在将来发生任何故障的情况下轻松修复假体。这些适用于水泥固位的种植体修复。该结果基于诱剂保持植入物支撑的假体并易于取回的能力，为诱剂提供了可能的初步排名。

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