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Volume 38 , Issue 4
July/August 2018
Pages 527–532

Comparison of Gingival Troughing by Laser and Retraction Cord

Xian Tao, MDS/Jiang-Wu Yao, Prof Dr Med/Hom-Lay Wang, DDS, MSD, PhD/Cui Huang, DDS

PMID: 29889917
DOI: 10.11607/prd.3551

This study was aimed at comparing the most common two methods for gingival troughing: presaturated cord and lasers (including diode, Nd:YAG, and Er:YAG). A total of 108 anterior teeth (58 maxillary and 50 mandibular) in 50 patients were included in this study. Gingival treatment was carried out in the following four groups: presaturated cord, diode laser, Nd:YAG laser, and Er:YAG laser. The gingival width and gingival recession (GR) were measured at different times (at the time of treatment, after 1 week, and after 4 weeks). The presaturated cord resulted in significantly higher (P < .05) GR than lasers and narrower gingival sulci. Er:YAG laser resulted in the quickest and most uneventful wound healing when compared to diode and Nd:YAG lasers.

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