首页> 外文期刊>Journal of esthetic and restorative dentistry: official publication of the American Academy of Esthetic Dentistry ... [et al.] >Conservative and esthetic cast gold fixed partial dentures-inlay, onlay, and partial veneer retainers, custom composite pontics, and stress breakers: part II: utilization of additional retentive features and fabrication of custom pontic facings.
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Conservative and esthetic cast gold fixed partial dentures-inlay, onlay, and partial veneer retainers, custom composite pontics, and stress breakers: part II: utilization of additional retentive features and fabrication of custom pontic facings.

机译:保守且美观的铸金固定局部义齿-镶嵌,镶嵌和局部贴面固位体,定制复合桥体和应力破坏器:第二部分:利用其他保持特征和定制定制桥齿面。

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Although in today's dental world implant restorations are considered the standard of care in the replacement of missing teeth, clinical contraindications and patient nonacceptance of implant placement can be encountered. Several scenarios are discussed here in which a single missing tooth can be restored with conservative fixed partial dentures (FPD) that employ cast gold retainers; each with a customized design in order to preserve tooth structure, maintain esthetics, and provide a long-term prognosis. The abutment teeth are prepared for conservative partial coverage restorations by using Brasseler burs (Brasseler USA, Savannah, GA, USA). Impressions are taken of the preparations, along with any retentive features, utilizing either the Vented Pin Channel technique or the Shooshan Plastic Pin technique. The latter technique utilizes Kodex twist drills and corresponding impression pins (Coltene Whaledent Inc., Mahwah, NJ, USA). The conservative FPD with non-rigid connectors is fabricated by using type III gold alloy. The pontic cage portion is chemically prepared utilizing the Panavia F2.0 cement kit (Kuraray America Inc., Houston, TX, USA) or other dual-polymerizing resin cement and restored with any type of direct composite resin material. A palette of opaquers and tints are used for chairside characterization of the esthetic pontic facing. The final polish of the pontic is completed by using FlexiDisc and FlexiBuff discs (Cosmedent Inc., Chicago, IL, USA). CLINICAL SIGNIFICANCE In cases where an implant restoration is contraindicated for replacement of a single tooth, a semi-precision FPD is a conservative, functional, and esthetic alternative.
机译:尽管在当今的牙科世界中,植入物修复体被认为是替换缺牙的护理标准,但仍可能会遇到临床禁忌症和患者对植入物放置的不接受。这里讨论了几种方案,其中可以使用采用铸造金固定器的保守的固定局部义齿(FPD)修复单个缺牙。每个都具有定制设计,以保持牙齿结构,保持美观并提供长期预后。通过使用Brasseler牙钻(Brasseler美国,萨凡纳,乔治亚州,美国)为基台牙齿的保守局部覆盖修复做好准备。利用通风销通道技术或Shooshan塑料销技术对准备工作以及任何保持性特征印象深刻。后一种技术利用Kodex麻花钻和相应的压模销(美国新泽西州Mahwah的Coltene Whaledent Inc.)。具有非刚性连接器的保守FPD是使用III型金合金制造的。使用Panavia F2.0水泥套件(美国德克萨斯州休斯顿的可乐丽美国公司)或其他双聚合树脂水泥化学制备桥状笼部分,并用任何类型的直接复合树脂材料进行修复。不透明和浅色调的调色板用于美学桥面的椅子旁表征。通过使用FlexiDisc和FlexiBuff光盘(Cosmedent Inc.,美国伊利诺伊州芝加哥市)完成桥体的最后抛光。临床意义在禁忌使用种植体修复代替单颗牙齿的情况下,半精密FPD是一种保守,功能和美观的选择。

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