PROBLEM TO BE SOLVED: To make it possible to easily perform a switching operation for a position of a suction member in a work or a dentistry technic desk equipped with the suction member.SOLUTION: A dentistry technic desk comprises: a work bench 2 on which a user performs cutting operation a suction member 11 which sucks powder dusts generated by the cutting operation a support member 12 which moves the suction member 11 from a storage position at which the suction member is stored below the work bench 2 to an opposite position facing the work bench 2 a guide member 13 and a rail member and a grip 102 which is operated by a user for moving the suction member 11 by the support member 12, the guide member 13 and the rail member.SELECTED DRAWING: Figure 3COPYRIGHT: (C)2017,JPO&INPIT【課題】吸引部材を備える作業机または歯科技工机において、吸引部材の位置の切り替え操作を容易にする。【解決手段】歯科技工机は、ユーザが切削作業を行う作業台2と、切削作業により生じた粉塵を吸引する吸引部材11と、吸引部材11を作業台2の下方に収納された収納位置から作業台2に対向する対向位置まで移動させる支持部材12、案内部材13およびレール部材と、支持部材12、案内部材13およびレール部材により吸引部材11を移動させるためにユーザが操作する取っ手102とを備える。【選択図】図3