スケーリング後の歯面研磨装置の応用について

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  • In vitro study of the effectiveness of the air-powder abrasive system to the scaled root surfaces.

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The purpose of this study was to investigate the effectiveness of the air-powder abrasive system Quick-jet (®, YOSHIDA Co.) to the scaled root surfaces in vitro. Scaled surfaces were treated with the Quick-jet with different time (for 3, 5, 10 and 20 seconds) and angle (60.. and 90..). After treatment, the characteristics of surfaces were observed using scanning electron microscope (SEM) and the roughness was also measured.<BR>The results of SEM observation indicated that the surfaces treated with angle of 90.. were more smoother than those with angle of 60... When this system used more than 10 seconds, the rugged characteristics of the surfaces were disappeared and also the dentin like structure were observed. There was the same tendency in the roughness measurement.<BR>These results suggested that this system seem to represent the effectiveness similar to root planing.

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