Application of a Dental CAD/CAM System to the Production of All-ceramic Crowns

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  • Nakamura Takashi
    Department of Fixed Prosthodontics, Osaka University Graduate School of Dentistry
  • Wakabayashi Kazumichi
    Department of Fixed Prosthodontics, Osaka University Graduate School of Dentistry
  • Kinuta Soichiro
    Department of Fixed Prosthodontics, Osaka University Graduate School of Dentistry
  • Tanaka Hideaki
    Department of Fixed Prosthodontics, Osaka University Graduate School of Dentistry
  • Nishida Hisataka
    Department of Fixed Prosthodontics, Osaka University Graduate School of Dentistry
  • Yatani Hirofumi
    Department of Fixed Prosthodontics, Osaka University Graduate School of Dentistry

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Purpose : This article introduces the procedure for fabricating CAD/CAM all-ceramic crowns using the DECSY system in combination with the DECSY Scan and ProCAD blocks.<br>Materials and Methods : A working model is manufactured after preparing the abutment tooth in the usual manner. Occlusal data are obtained using soft resin occlusal registration material. By using the DECSY Scan, the abutment tooth and occlusal record are measured, and the design of the crown is calculated. Data for the completed crown are transferred to the DECSY unit, and the ProCAD ceramic block is milled. After the milling is finished, the crown is polished, and the stain porcelain fired.<br>Results : The CAD/CAM all-ceramic crowns were fabricated and luted. The patients were satisfied with their crowns.<br>Conclusion : The use of both the DECSY Scan and ProCAD blocks is recommended for the fabrication of CAD/CAM all-ceramic crowns with the DECSY system.

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