1. Denture preparation: according to the situation of tooth loss, prepare the denture according to the principle of restoration, and keep the appropriate inverted recess of the abutment teeth.
2. Preparation of working mold: take the impression and turn it into a plaster model, design the range of abutment and the position of snap ring, fill in part of the inverted recess with wax.
3. Wax modeling: according to the design, the wax model of the carabiner is made first and then the artificial teeth are arranged, or the teeth are arranged first and then the carabiner is made, and then the wax model is completed.
4. Casing: The inverted method is used to fully expose the abutment, retaining ring and artificial tooth and install the injection channel.
5. Casting: The cassette is placed in a casting press and injected with elastic resin material to form the denture under pressure.
6. Grinding and polishing: After removing the injection channels, the denture is polished with tools such as grinding heads and rubber wheels to make the denture more beautiful and comfortable.