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首页> 外文期刊>Journal of prosthodontics: official journal of the American College of Prosthodontists >The Use of CAD/CAM Technology for Fabricating Cast Gold Survey Crowns under Existing Partial Removable Dental Prosthesis. A Clinical Report
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The Use of CAD/CAM Technology for Fabricating Cast Gold Survey Crowns under Existing Partial Removable Dental Prosthesis. A Clinical Report

机译：CAD / CAM技术在现有部分可拆卸牙科假肢下制造铸造金调查冠的使用。 临床报告

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摘要

The fabrication of a survey crown under an existing partial removable dental prosthesis (PRDP) has always been a challenge to many dental practitioners. This clinical report presents a technique for fabricating accurate cast gold survey crowns to fit existing PRDPs using CAD/CAM technology. The report describes a technique that would digitally scan the coronal anatomy of a cast gold survey crown and an abutment tooth under existing PRDPs planned for restoration, prior to any preparation. The information is stored in the digital software where all the coronal anatomical details are preserved without any modifications. The scanned designs are then applied to the scanned teeth preparations, sent to the milling machine and milled into full-contour clear acrylic resin burn-out patterns. The acrylic resin patterns are tried in the patient's mouth the same day to verify the full seating of the PRDP components. The patterns are then invested and cast into gold crowns and cemented in the conventional manner.
机译：在现有部分可移除牙科假肢（PRDP）下的调查冠始致对许多牙科从业者来说都是一个挑战。该临床报告提供了一种制造精确的铸造金调查冠，以使用CAD / CAM技术适合现有的PRDP。该报告描述了一种技术，该技术将在任何制备之前在计划恢复的现有PRDP下进行数字扫描铸造金调查表冠和抵壳牙齿的技术。信息存储在数字软件中，其中保留所有冠状解剖细节而无需任何修改。然后将扫描的设计应用于扫描的齿制剂，送到铣床上并铣削成全轮廓透明丙烯酸树脂烧坏图案。亚克力树脂图案在患者的口中试图在同一天验证PRDP组件的完整座位。然后将该图案投入并浇铸成金冠并以常规方式粘合。

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