Wisdom tooth extraction does not have to be done with a hammer, the application of a hammer is only one method of wisdom tooth extraction and is relatively a traditional method. In the traditional wisdom tooth extraction, the gingival flap is cut and then the bone obstructed by the buried wisdom tooth is targeted. The bone should be removed firstly with a bone chisel and hammer, and secondly, for buried wisdom teeth, the wisdom teeth should also be split with a chisel and hammer and then extracted. But now there is a special surgical application of the dental power system, the application of the power system can be better applied turbo drill for bone and tooth splitting. Therefore, the hammer is currently used less and less, but in special cases, the hammer is still needed for re-gaping.