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KMID : 0353420170410030173
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Oral Biology Research
2017 Volume.41 No. 3 p.173 ~ p.179
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Non-surgical periodontal treatment using the erbium, chromium: yttrium-scandium-gallium-garnet (Er, Cr:YSGG) laser in chronic periodontitis: Case reports
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Kim Hyun-Woo
Lee Won-Pyo
Yu Sang-Joun
Kim Byung-Ock
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Abstract
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The medical (or dental) necessity of the application of adjuvant laser therapy after periodontal treatment is debatable, but has many demonstrable advantages. The advantages of laser irradiation are hemostatic effect, calculus ablation, bactericidal effect and detoxification. The purpose of this study was to identify and measure the clinical results obtained with the implementation of adjuvant laser therapy (in addition to and) following scaling and root planing procedures. Three patients (with an overall periodontal probing depth of less than 6 mm) were selected. Patients with systematic disease were excluded. Probing depth, bleeding on probing and full mouth standard radiography were tested at baseline, and then again at three months after treatment. At the time of the first visit, supra-gingival calculus was removed using ultrasonic scaler (Cavitron™ Plus™, Dentsply, Swiss). At the time of the second visit, the laser was irradiated with a radial firing tip (RFPT 5-14) of Er, Cr:YSGG laser (2.78 μm, 1.5 W, repetition rate of 30 Hz, 11% air, 20% water). The laser irradiation on the root surface was approached at 15 to 30 degrees, and without direct contact with the root surface. The total time of irradiation was 30 seconds for buccal (about fifteen seconds) and lingual sides (about fifteen seconds). Calculus ablation was selfevident and could be easily observed on plain radiograph at three months post-treatment. Reduced bleeding was appreciated when probing depth was measured. As well, the clinical attachment level was noted to be improved at three months post-treatment. The results of this study strongly indicate that laser therapy can be effective in improvement of chronic periodontitis and reduction of periodontal pocket depth.
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KEYWORD
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Chronic periodontitis, Er, Cr:YSGG laser, Laser therapy, Non-surgical treatment
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