The repeatability of an intraoral dental colorimeter

Crown Discoloration Induced by Endodontic Sealers: Spectrophotometric Measurement of Commission International de I'Eclairage's L*, a*, b* Chromatic Parameters

“…16 The disadvantages of colorimeters include the design of the instrument to measure flat but not concave or convex surfaces and the significant edge-loss effects to which small aperture colorimeters are prone. 17,18 In addition, it has been shown [19][20][21] that interinstrument agreement is relatively poor, and colorimeters lack correlation with the visual method.…”

Validation and Reliability of Visual Assessment with a Shade Guide for Tooth-Color Classification

“…13 High cost and complex operation, however, restricts use of these digital systems to laboratory or clinical research. 10,14 Although less accurate than digital systems, visual assessment with a shade guide is still the most common method used for color classification in longitudinal studies involving bleaching agents. [1][2] Nonetheless, there is a lack of peer-reviewed literature regarding validation of this method.…”

Influence of the labial surface irregularity on the measurement of the tooth color by spectrometer

“…이러한 색을 판단하는 여러 가지 문제점들에도 불구하고 현재 치과 영역에서 사용하는 색상 결정 방법은 대부분 특정 재료에 맞추어 제공되는 shade guide를 치아와 직접 육안 으로 비교 판단하는 비색법을 사용하고 있다. 이런 문제점들 을 해결하기 위해 많은 연구가들이 기기를 사용하여 측색하 는 방법들을 제안하고 있으며 1,3,4,7,[10][11][12][13][14] , 실제 객관적 측색이 가능한 colorimeter 등 몇몇 기기들이 소개되고 있다 24) . …”