Nd:YAG laser clinical assisted in class II furcation treatment.
The Nd:YAG laser efficacy associated with conventional treatment for bacterial reduction has been investigated throughout literature. The purpose of this study was to evaluate the bacterial reduction after Nd:YAG laser irradiation associated with scaling and root planning in class II furcation defects in patients with chronic periodontitis. Thirty-four furcation lesions were selected from 17 subjects. The control group received conventional treatment, and the experimental group received the same treatment followed by Nd:YAG laser irradiation (100 mJ/pulse; 15 Hz; 1.5 W, 60 s, 141.5 J/cm(2)). Both treatments resulted in improvements of most clinical parameters. A significant reduction of colony forming unit (CFU) of total bacteria number was observed in both groups. The highest reduction was noted in the experimental group immediately after the treatment. The number of dark pigmented bacteria and the percentage of patients with Porphyromonas gingivalis, Prevotella intermedia, and Actinobacillus actinomycetemcomitans reduced immediately after the treatment and returned to values close to the initial ones 6 weeks after the baseline for both groups. The Nd:YAG laser associated with conventional treatment promoted significant bacterial reduction in class II furcation immediately after irradiation, although this reduction was not observed 6 weeks after the baseline.
de Andrade
Ana Karina Pinto
AK
Stomatology Department, Periodontics Discipline, School of Dentistry, University of São Paulo, Av Prof Lineu Prestes 2227, Cep 05508-900 Cidade Universitária, São Paulo, Brazil. akpandrade@yahoo.com
Feist
Ilíria Salomão
IS
Pannuti
Cláudio Mendes
CM
Cai
Silvana
S
Zezell
Denise Maria
DM
De Micheli
Giorgio
G
D055113:Chronic Periodontitis / Q000382:microbiology / Q000601:surgery*; D015169:Colony Count, Microbial; D012534:Dental Scaling / Q000295:instrumentation / Q000379:methods; D004311:Double-Blind Method; D005260:Female; D006801:Humans; D053844:Lasers, Solid-State; D028022:Low-Level Light Therapy / Q000295:instrumentation / Q000379:methods*; D008297:Male; D008875:Middle Aged; D009354:Neodymium; D010514:Periodontal Pocket / Q000628:therapy*; D016745:Root Planing / Q000295:instrumentation / Q000379:methods*
D009354:Neodymium