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Inicio  /  Applied Sciences  /  Vol: 13 Par: 21 (2023)  /  Artículo
ARTÍCULO
TITULO

Long-Term Stability of Er:YAG Laser Non-Surgical Periodontal Treatment

Blagovesta Yaneva    
Georgi Tomov    
Emiliya Karaslavova and Georgios E. Romanos    

Resumen

Background: Nonsurgical periodontal therapy is the first step of periodontal diseases treatment. It could be performed with various instruments and in recent years lasers have been tested too. The aim of the present study is to evaluate the long-term clinical effectiveness of Er:YAG laser monotherapy in the treatment of moderate chronic periodontitis. Methods: 451 teeth (1099 periodontal pockets) from 30 patients with moderate chronic periodontitis are allocated for subgingival scaling and root planing into two groups?hand instrumentation (control) and Er:YAG laser instrumentation with 100 mJ/15 Hz (test). Patients are examined for probing pocket depth, gingival recession, clinical attachment level, bleeding on probing, plaque presence at baseline, 1, 3, 6 and 12 months after instrumentation. Results: One year after therapy significant reduction of all clinical parameters examined is observed. The pocket depth decreases with 1.55 mm for the control group and 1.70 mm in the test group. The attachment level gain reveals 1.09 mm for hand instrumentation and 0.59 for laser instrumentation. The bleeding on probing reduces more significantly in the test group, where one year after treatment the index is 19.1%, whereas in the control group, it is 33.8%. Conclusions: The Er:YAG laser demonstrates similar clinical effectiveness to hand instrumentation in the non-surgical periodontal treatment. Better long-term stability is observed in the test group.

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