PROBLEM TO BE SOLVED: To provide a dental treatment device capable of performing drive control for a cutting tool that can cut a root canal of a tooth irrespective of a type of the cutting tool attached to a head part.SOLUTION: In a dental treatment device, a control unit performs twist drive, normal rotation drive, and reverse rotation drive at least once for each drive in a prescribed period. The control unit further executes control so that an accumulative normal rotation angle that is an accumulation of the rotation angle in a clockwise direction of the twist drive and the normal rotation drive becomes the same as an accumulative reverse rotation angle that is an accumulation of the rotation angle in an anti-clockwise direction of the twist drive and the reverse rotation drive.SELECTED DRAWING: Figure 8COPYRIGHT: (C)2017,JPO&INPIT【課題】本発明は、ヘッド部に取付ける切削工具の種類に関わらず、歯牙の根管を切削することができる切削工具の駆動制御を実施できる歯科用治療装置を提供する。【解決手段】本発明に係る歯科用治療装置では、制御部が、予め定められた期間において、ツイスト駆動、正転駆動および逆転駆動のそれぞれの駆動を少なくとも一回駆動する。さらに、制御部は、ツイスト駆動および正転駆動の時計回り方向の回転角度を累積した正累積回転角度と、ツイスト駆動および逆転駆動の反時計回り方向の回転角度を累積した逆累積回転角度とが同じになる制御を行う。【選択図】図8
