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Volume 20 , Issue 6
November/December 2000

Pages 561-565


A Clinical Study of Root Surface Conditioning with an EDTA Gel. I. Nonsurgical Periodontal Treatment

Leif Blomlöf, DDS, PhD/Ewa Bergman, Dent Hyg/Åsa Forsgårdh, Dent Hyg/Lena Foss, Dent Hyg/Anita Larsson, Dent Hyg/Barbro Sjöberg, Dent Hyg/Lillianne Uhlander, Dent Hyg/Björn Jonsson, BA, PhD/Johan Blomlöf, DDS, PhD/Sven Lindskog, DDS, PhD


PMID: 11203592
DOI: 10.11607/prd.00.0386

The present study was undertaken to investigate if subgingival administration of an EDTA gel has any adjunctive effect to subgingival and supragingival root debridement. The investigation was performed in one study center involving 6 clinical investigators and 91 patients. The patients were selected from 2 patient populations: 41 were included from a consecutive referral material on a voluntary basis, and 50 were included from a maintenance care material at the clinic. No significant differences were found between the EDTA-treated and control groups with respect to clinical attachment gain or probing pocket depth reduction. The referral patients showed a significant improvement of pocket depth and attachment gain compared to maintenance care patients at the clinic. In multiple regression analyses, it was found that patients with small attachment losses at baseline responded better to treatment than patients with severe periodontitis. Also, in multivariate analyses, referral patients responded better than maintenance patients when controlling for other predictors.


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