J Dent Rehabil Appl Sci.  2020 Jun;36(2):128-137. 10.14368/jdras.2020.36.2.128.

Chairside computer-aided design/computer-aided manufacturing (CAD/ CAM)-based restoration of anterior teeth with customized shade and surface characterization: a report of 2 cases

Affiliations
  • 1Department of Conservative Dentistry, Kyung Hee University Dental Hospital, Seoul, Republic of Korea
  • 2Department of Conservative Dentistry, School of Dentistry, Kyung Hee University, Seoul, Republic of Korea
  • 3GoodWill Dental Hospital, Busan, Republic of Korea

Abstract

Over the last 30 years, the use of chairside computer-aided design (CAD) and computer-aided manufacturing (CAM) systems has evolved and has become increasingly popular in dentistry. Although CAD/CAM restorations have been used in the anterior dentition, satisfying the esthetic requirements of clinicians and patients, where the restorations are limited to the chairside, remains a challenge. To reproduce multi-shades of CAD/CAM restorations in the clinic, a preliminary experiment to express several shades on A2 lithium disilicate (LS2) blocks using a staining kit was performed. After measurement of the CIE L*a*b* value of specimens, it was compared with that of the commercial shade guide. This report presents two cases with individual customization of shade and surface characterization of the CAD/CAM restorations using predictable methods based on the preliminary experimental data. The anatomical shape of restoration was obtained from ‘copy and paste technique’ and ‘mirror image acquisition technique’. All treatment procedures and fabrication of restorations performed in this report were executed in the clinic itself.

Keyword

anterior dentition; computer-aided designing; computer-aided manufacturing; shade; surface characterization; shade characterization
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