A dental bracket comprises a base and a plate. The base is fixed to a tooth surface. The plate is pivotally disposed at the base. When the plate is moved near the base, the plate and the base define a plurality of through grooves for containing a wire. The invention defines said through grooves for containing the wire by the base and the plate, and no need to use an O-ring.一種牙齒矯正裝置,供矯正牙齒用的固定線材設置以牽引待矯正牙齒至正確位置,包含一基座,及一固定板,該基座黏設於牙齒,該固定板與該基座相樞接,且當該固定板樞轉緊鄰該基座時,該固定板與該基座界定出多個容置該固定線材的穿槽。本發明藉由該基座及固定板的配合界定出多個穿槽以固定該固定線材,因此不需要使用橡皮圈。100‧‧‧基準線2‧‧‧基座200‧‧‧槽道21‧‧‧基壁22‧‧‧固定單元221‧‧‧第一凸塊222‧‧‧第二凸塊3‧‧‧固定板4‧‧‧轉軸400‧‧‧軸線5‧‧‧第一鎖扣件51‧‧‧止動塊6‧‧‧第二鎖扣件61‧‧‧卡槽