The utility model relates to a dental diagnosis and treatment chair, which comprises a base, in which a storage part is arranged, an operation platform is arranged on one side of the base, and a plurality of positioning holes are arranged on the base.A seat is arranged on the base, and the console is located on one side of the seat.The back of a chair can be flexibly pivoted to one end of the chair seat.A plurality of therapeutic devices provided on the operating platform, each of which includes a device head, a catheter and a coiling element, one end of which is connected to the device head, and part of the catheter is wound around the coiling element. The device head is positioned on the operating platform, and can be used for pulling to drive the catheter to rotate the coiling element to positioning. When the device head is pulled again, the coiling element The element rotates and retracts the conduit to the inside of the console.一種牙科用診療椅，包括基座，其內設有一儲藏部，該基座之一側設有一操作台，其上設有複數定位孔。一椅座設於該基座上，該操作台位於該椅座之一側。一椅背，其可活動地樞接於該椅座之一端。設於該操作台上之複數治療器械，每一治療器械包括一器械頭、一導管及一捲引元件，該導管之一端連接至該器械頭，且該導管之部分纏繞於該捲引元件，該器械頭定位於該操作台上，並可供拉引帶動該導管轉動該捲引元件至定位，當再次拉引該器械頭，則該捲引元件轉動並使該導管捲收至該操作台的內部。
