[en] Background: Mechanical debridement is the gold standard in the periodontitis therapy. However, it is suggested that adjunctive use of lasers can result in a more effective treatment outcome. Objective: Evaluate the efficiency of diode laser-assisted nonsurgical therapy of periodontitis as adjunctive to scaling and root planing (SRP). Methods: One hundred sixty vertical bone defects [pocket depth (PD) at baseline ≥6 mm] had been randomly allocated to receive SRP alone (group C) or SRP coupled to a diode laser (980 nm) protocol (group C+L): SRP, irrigation with hydrogen peroxide solution (3%), de-epithelization of the internal and external gingiva followed by blood stabilization, and coagulation by laser beam were made. Beam parameters: 10 μsec/pulse duration, 10 kHz, pick power of 10 W, average power of 1 W, and fiber diameter of 400 μm. Plaque index (PI), bleeding on probing, gingival recession (GR), clinical attachment level (CAL), and PD were measured at baseline, at 6 weeks, 12 weeks, 18 weeks, 6 months, and 12 months. Microbiological data were collected randomly from 26 pockets from both groups at baseline, 6 weeks, 12 weeks, and 6 months after treatment. Results: At all periods of follow-up, there was a significant difference between both groups in all clinical parameters except in GR. In group C+L, 76% of pockets had PD ≤3 mm after 12 months of follow-up and an average of PD = 1.77 ± 0.46 mm, while 56% of pockets in group control (C) had an average of PD = 5.00 ± 0.83 mm after 12 months of follow-up. Total bacteria count in group C + L was significantly lower compared to group C only at 12 weeks and 6 months of follow-up. Furthermore, there was high significant decrease in the number of Aggregatibacter actinomycetemcomitans, Porphyromonas gingivalis, Tannerella forsythia, and Prevotella intermedia at all the follow-up periods. Conclusions: As adjunctive to SRP, diode laser-assisted nonsurgical therapy of periodontitis has significantly improved clinical parameters of PI and POB and has significantly reduced the clinical attachment loss (CAL) and PD compared to the control group after 1 year of follow-up. A significant reduction in periodontal pathogens has been observed in group C + L only at 12 weeks and 6 months of follow-up.
Disciplines :
Dentistry & oral medicine
Author, co-author :
Namour, Samir ; Université de Liège - ULiège > Département des sciences dentaires
El Mobadder, Marwan; Department of Dental Sciences, Faculty of Medicine, University of Liege, Liege, Belgium
Maalouf, Elie; Faculty of Dentistry, Lebanese University, Beirut, Lebanon
Namour, Mélanie ; Université de Liège - ULiège > Dental biomaterials research unit (d-BRU)
Namour, Amaury; Department of Dental Sciences, Faculty of Medicine, University of Liege, Liege, Belgium
Rey, Gerard; Service formation continue Universités Paris 7 Garancière et Montpellier UFR, Agde, France
Matamba, Patrick; Department of Dental Sciences, Faculty of Medicine, University of Liege, Liege, Belgium
Matys, Jacek; Laser Laboratory, Department of Dental Surgery, Wroclaw Medical University, Wroclaw, Poland
Zeinoun, Toni; Faculty of Dentistry, Lebanese University, Beirut, Lebanon
Grzech-Leśniak, Kinga; Laser Laboratory, Department of Dental Surgery, Wroclaw Medical University, Wroclaw, Poland ; Department of Periodontics, School of Dentistry, Virginia Commonwealth University, Richmond, Virginia, USA
Language :
English
Title :
Clinical Evaluation of Diode (980 nm) Laser-Assisted Nonsurgical Periodontal Pocket Therapy: A Randomized Comparative Clinical Trial and Bacteriological Study.
Publication date :
January 2021
Journal title :
Photobiomodulation, Photomedicine, and Laser Surgery
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