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VOLUME 12 , ISSUE 1 ( January-February, 2011 ) > List of Articles

RESEARCH ARTICLE

Reliability of Two Color Selection Devices in Matching and Measuring Tooth Color

Carmen Llena, Esther Lozano, Jose Amengual, Leopoldo Forner

Citation Information : Llena C, Lozano E, Amengual J, Forner L. Reliability of Two Color Selection Devices in Matching and Measuring Tooth Color. J Contemp Dent Pract 2011; 12 (1):19-23.

DOI: 10.5005/jp-journals-10024-1004

Published Online: 01-12-2011

Copyright Statement:  Copyright © 2011; The Author(s).


Abstract

Objective

The objective of this study was to investigate the intra and interdevice reliability of two tooth color measurement devices: EasyShade (ES) and SpectroShade Micro (SSM).

Materials and methods

Tooth color was measured in six maxillary and mandibular. L*, a* and b* values and shade matches to VITA Classical and Vitapan 3D-Master shade guide systems were determined for all teeth. ÄE was assessed. Paired t-test and correlation coefficient (ICC) were used.

Results

Intradevices no significant differences (p > 0.05) were found between L*, a*, b*. Interdevice L* and b* were significantly higher for ES (p < 0.05), while a* was significantly higher for SSM (p < 0.05). ÄE showed no significant interdevice difference (p > 0.05). Intradevices ICC values were higher for ES but not significant (p > 0.05).

Discussion

The null hypotheses that they present no differences in their color measuring within devices or shade systems is accepted, but the results allow to reject the null hypotheses that they present no differences in their color measuring or shade systems between devices.

Conclusion

Both EasyShade (ES) and SpectroShade Micro (SSM) show excellent repeatability and so they can be used in office to evaluate tooth color or to assess color changes after treatment.

Clinical significance

Dental color can be diagnosed using dental spectrophotometers, allowing to detect in an objective way therapeutic dental color changes.

How to cite this article

Llena C, Lozano E, Amengual J Forner L. Reliability of Two Color Selection Devices in Matching and Measuring Tooth Color. J Contemp Dent Pract 2011; 12(1):19-23.


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