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:: Volume 5, Issue 2 (September- 2016) ::
Caspian J Dent Res 2016, 5(2): 30-36 Back to browse issues page
Influence of different light sources on visual shade matching performance
Romina Roodgarian, Toloo Jafari, Soraya Khafri , Faezeh Abolghasemzadeh *
,Dental Materials Research Center, Department of Operative Dentistry, Faculty of Dentistry, Babol University of Medical Sciences, Babol, Iran. , f.abolghasemzade@gmail.com
Abstract:   (10480 Views)

Introduction: The shade selection ability of dentists is a necessary element in natural tooth color recreation. Visual shade selection is affected by light source variables. The aim of this study was to compare the results of shade matching under three light conditions.

Materials &Methods: The Ishihara test was doneon58 volunteers participated in this study: 40 dental interns, 10 Postgraduate students of restorative dentistry, 8 Postgraduate students of prosthodontics. Totally, 9 classical vita shade tabs were randomly chosen and their codes were covered. The participants matched these 9 shades with a complete classical vita shade under the lighting condition in the dental office, natural light and corrected light source. Matching scores were computed and the mean of the color differences between the citation shades and the chosen shades counted with ΔEab* formula. The data were analyzed using Mann-Whitney, Friedman and Wilcoxon test.

Results: The average of shade matching scores with correcting light (7.87) was higher than the lighting conditions in the dental office (3.94) and natural light(5.53). Comparison of ΔE between three light conditions was significant (P<0.05). No significant difference was found in shade matching scores by sex (P>0.05).There was a significant difference between scores of under-graduate and post-graduate students (P<0.05).

Conclusion: To achieve successful shade matching, it is recommended to use the corrected light source. The combination of using corrected light and training can improve shade matching performance.

Keywords: Dental student, Lighting, Color
Full-Text [PDF 777 kb]   (4064 Downloads)    
Type of Study: Research Paper | Subject: Restorative Dentistry
* Corresponding Author Address: Faculty of Dentistry, Babol University of Medical Sciences, Babol, Iran.
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Roodgarian R, Jafari T, Khafri S, Abolghasemzadeh F. Influence of different light sources on visual shade matching performance. Caspian J Dent Res 2016; 5 (2) :30-36
URL: http://cjdr.ir/article-1-192-en.html


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Creative Commons License This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.
Volume 5, Issue 2 (September- 2016) Back to browse issues page
مجله تحقیقات دندانپزشکی کاسپین Caspian Journal of Dental Research
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