Evaluating the ability of dental technician students and graduate dentists to match tooth color

Statement of problem The ability of dental technician students to match tooth shade with the Vita 3D-Master shade guide and Toothguide Training Box has not been investigated. Purpose The purpose of this study was to evaluate and compare the shade-matching ability of dental technician students and gr...

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Bibliographic Details
Published in:The Journal of prosthetic dentistry 2014-12, Vol.112 (6), p.1559-1566
Main Authors: Sinmazisik, Gulden, DDS, PhD, Trakyali, Goksu, DDS, PhD, Tarcin, Bilge, DDS, PhD
Format: Article
Language:English
Subjects:
Adult
Color
Color Perception
Dental Prosthesis Design - instrumentation
Dental Technicians - education
Dentistry
Dentists
Female
Humans
Male
Prosthesis Coloring - instrumentation
Students
Teaching - methods
Tooth - anatomy & histology
Young Adult
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Summary:Statement of problem The ability of dental technician students to match tooth shade with the Vita 3D-Master shade guide and Toothguide Training Box has not been investigated. Purpose The purpose of this study was to evaluate and compare the shade-matching ability of dental technician students and graduate dentists using the Vita 3D-Master shade guide. Material and methods Twenty-nine dental technician students (DTS group) and 30 graduate dentists (GD group) participated in this study. The Toothguide Training Box (TTB) was used to train the participants and test their shade-matching abilities. Shade-matching ability was evaluated with 3 exercises and a final test, all of which are components of the TTB. The number of mistakes for each participant for value (L), chroma (c), and hue (h) were recorded during the exercises and the final test, and the mistake ratios were calculated. Color difference (ΔE) values for each shade were calculated from the L*, a*, and b* values of the Vita 3D-Master shade guide for each participant in both groups. The Mann-Whitney U test was used to determine statistically significant differences between the L, c, and h mistake ratios of the 2 groups, and the Student t test was used to determine statistically significant differences between the final test scores and the ΔE values of the groups (α=.05). Results The mistake ratio for L in the GD group was significantly higher than that of the DTS group ( P
ISSN:0022-3913
1097-6841
DOI:10.1016/j.prosdent.2014.05.024