Question

which plastic is used to making artificial teeth? 1)pvc 2)plaster of paris 3)pu
4)poly acrelic​

Answer 1

Answer:

Poly acrylic is the right answer.

Answer 2

The plaster of paris is widely used in making the artificial teeth.

Explanation:  

They are also called as dental plaster Or laboratory type 2 plaster. They mixture of plaster of paris and water is placed in an impression and pressed in tissue which forms the edentulous jaws. The plaster of paris forms the calcium sulphate hemihydrate, they are widely used to make dental casts and dies. But usually dental stones are calcined gypsum.