Laser reduction of specific microorganisms in the periodontal pocket using Er:YAG and Nd:YAG lasers: a randomized controlled clinical study

Lasers in Medical Science
K Grzech-LeśniakBoris Gašpirc

Abstract

The objective of this study was to evaluate the microbiological and clinical outcomes following nonsurgical treatment by either scaling and root planing, combination of Nd:YAG and Er:YAG lasers, or by Er:YAG laser treatment alone. The study involved 60 patients with generalized chronic periodontitis, randomly assigned into one of three treatment groups of 20 patients. The first group received scaling and root planing by hand instruments (SRP group), the second group received Er:YAG laser treatment alone (Er group), and the third group received combined treatment with Nd:YAG and Er:YAG lasers (NdErNd group). Microbiological samples, taken from the periodontal pockets at baseline and 6 months after treatments, were assessed with PET Plus tests. The combined NdErNd laser (93.0%), followed closely by Er:YAG laser (84.9%), treatment resulted in the highest reduction of all bacteria count after 6 months, whereas SRP (46.2%) failed to reduce Treponema denticola, Peptostreptococcus micros, and Capnocytophaga gingivalis. Full-mouth plaque and bleeding on probing scores dropped after 6 months and were the lowest in both laser groups. The combination of NdErNd resulted in higher probing pocket depth reduction and gain of clinical attachme...Continue Reading

References

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Citations

May 20, 2020·Photobiomodulation, Photomedicine, and Laser Surgery·Deniz ErbilAysen G İsik
Sep 27, 2019·International Journal of Molecular Sciences·Marco GiannelliDaniele Bani
Jun 7, 2020·Journal of Clinical Medicine·Claudia DompeMarta Dyszkiewicz-Konwińska
Oct 8, 2020·Photobiomodulation, Photomedicine, and Laser Surgery·Jacek MatysKinga Grzech-Leśniak
Oct 31, 2020·Photobiomodulation, Photomedicine, and Laser Surgery·Kinga Grzech-LeśniakJanina Golob Deeb
Dec 5, 2020·Photobiomodulation, Photomedicine, and Laser Surgery·Amin DavoudiBehnaz Ebadian
Nov 18, 2020·Materials·Jacek Matys, Kinga Grzech-Leśniak
Mar 10, 2021·Clinical Implant Dentistry and Related Research·Aleksandra Križaj DumićGiovanni Olivi
Jul 31, 2021·Lasers in Medical Science·Liying JiaXiaolin Zhang

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