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Open AccessArticle

Digital Computer Matching of Tooth Color

Department of Biologic and Materials Sciences Division of Prosthodontics, University of Michigan School of Dentistry, 1011 North University, Ann Arbor, MI 48109, USA
Author to whom correspondence should be addressed.
Materials 2010, 3(6), 3694-3699;
Received: 10 May 2010 / Revised: 9 June 2010 / Accepted: 11 June 2010 / Published: 18 June 2010
(This article belongs to the Special Issue Dental Biomaterials)
This study aimed to determine the validity of the digital photocolorimetric (PCM) method in matching the color of human teeth. First, two Vitapan Classical shade guides, each containing 16 shade guide teeth, were visually shade matched, and digital photographs of each three pair of shade guide teeth were taken in a color matching booth. Secondly, visual shade matching of the upper central incisors of 48 subjects was performed by two prosthodontists independently in a chair, using the Vitapan Classical shade guide. The three closest shade guide teeth were visually selected and ranked in order of preference, for which digital photographs were taken under ceiling daylight-corrected fluorescent lighting. All digital images were analyzed on a computer screen using software to calculate the color difference between the reference tooth and other teeth in the same digital image. The percent color matching for the shade guide teeth and human teeth was 88% and 75%, respectively. There was no statistically significant difference in matching the tooth color between the shade guide teeth and human teeth. The digital PCM method is valid for the range of human teeth based on the Vitapan Classical shade guide. This method enhances communication with the laboratory personnel in matching the tooth color. View Full-Text
Keywords: visual shade matching; digital photocolorimetric method; dental shade guide visual shade matching; digital photocolorimetric method; dental shade guide
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MDPI and ACS Style

Oh, W.-s.; Pogoncheff, J.; O’Brien, W.J. Digital Computer Matching of Tooth Color. Materials 2010, 3, 3694-3699.

AMA Style

Oh W-s, Pogoncheff J, O’Brien WJ. Digital Computer Matching of Tooth Color. Materials. 2010; 3(6):3694-3699.

Chicago/Turabian Style

Oh, Won-suk; Pogoncheff, John; O’Brien, William J. 2010. "Digital Computer Matching of Tooth Color" Materials 3, no. 6: 3694-3699.

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