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Volume 33 , Issue 6
November/December 2013

Pages 733-741


Effect of the Color of Intraradicular Posts on the Color of Buccal Gingiva: A Clinical Spectophotometric Evaluation

Goran I. Benic, Dr Med Dent/Karin Wolleb, Dr Med Dent/Christoph H.F. Hämmerle, Prof Dr Med Dent/Irena Sailer, PD Dr Med Dent


PMID: 24116358
DOI: 10.11607/prd.1514

The primary aim of this study was to test whether intraradicular posts of different colors induce different amounts of color change of the buccal gingiva. Twentythree patients in need of a post-and-core buildup at one endodontically treated incisor, canine, or premolar were included. Titanium (Ti), zirconia (Zi), and glass fiber (Gf) posts were consecutively inserted in each test tooth. Spectrophotometric color measurement of the buccal gingiva was performed prior to post bed preparation and after insertion of Ti, Zi, and Gf posts. For control purposes, the gingival color at the contralateral vital tooth was assessed. The differences of color components ΔL, Δa, and Δb and the total color difference (ΔE) between different experimental conditions were obtained. ΔE value of 3.7 was considered the threshold value for intraoral color distinction. The gingival thickness at test teeth was measured. No difference occurred with regard to the amount of gingival discoloration induced by different posts. In the majority of cases, posts did not exhibit a visible influence on the color of buccal gingiva. The gingiva at endodontically treated teeth presented a visible discoloration compared to the gingiva at vital teeth. The degree of gingival discoloration at endodontically treated teeth was correlated with the gingival thickness, with more pronounced discolorations in cases of thinner soft tissue. (Int J Periodontics Restorative Dent 2013;33:733–741. doi: 10.11607/prd.1514)


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