超音波スケーラーのチップを用いた歯周ポケット内洗浄による臨床的および細菌学的効果について

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The purpose of this study was to evaluate the effect of subgingival mechanical irrigation using ultrasonic scaler tip to periodontitis patients from moderate to advanced severity. The single-rooted teeth from 7 patients with moderately advanced periodontitis were treated with a split-mouth design. The baseline evaluation included probing pocket depth (PPD), probing attachment level (PAL), gingival bleeding index (GBI) and plaque control record (PCR). One site in each quadrant was sampled for the measurement of dark-field microscopic analysis, subgingival microbial sampling and gingival crevicular fluid (GCF). Four quadrants were consisted of : 1) brushing plus water irrigation using ultrasonic scaler tip (mechanical irrigation group), 2) brushing plus water irrigation using syringe (irrigation-water group), 3) brushing plus 0.2% ethacridine lactate (Acrinol^[○!R]) irrigation using syringe (irrigation-chemical agent group), 4) brushing alone (control group). Subgingival irrigation was repeated one time a week for 4 weeks. And then, second clinical measurement was performed 4 weeks later. The results indicated that PPD reductions were observed in all irrigation groups and control group. Water irrigation using ultrasonic scaler tip was effective in reducing GBI and the percentage of motile bacteria (spirochetes and motile rods). Furthermore, 0.2% ethacridine lactate irrigation using syringe was effective in decreasing GBI. It was demonstrated that water irrigation using ultrasonic scaler tip had some effect in the reduction of GBI and also the improvement of reduction in the subgingival environment. Therefore, it was concluded that the application of water irrigation using ultrasonic scaler tip might be useful in routine periodontal treatment.
九州歯科学会の論文
1997-12-25

超音波スケーラーのチップを用いた歯周ポケット内洗浄による臨床的および細菌学的効果について

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