牙醫學(三)（包括齒內治療學、牙體復形學、牙周病學等科目及其相關臨床實例與醫學倫理）題庫下載題庫

The back-action chisel is used with a pull motion Figure 54-10, whereas the straight chisel (e.g., Wiedelstadt, Ochsenbein #1-2) is used with a push motion (Figure 54-11). he Ochsenbein chisel is a useful chisel with a semicircular indentation on both sides of the shank that allows the instrument to engage around the tooth and into the interdental area. he Rhodes chisel is another popular back-action chisel.

The back-action chisel is used with a pull motion Figure 54-10, whereas the straight chisel (e.g., Wiedelstadt, Ochsenbein #1-2) is used with a push motion (Figure 54-11). he Ochsenbein chisel is a useful chisel with a semicircular indentation on both sides of the shank that allows the instrument to engage around the tooth and into the interdental area. he Rhodes chisel is another popular back-action chisel.