These two materials have their own advantages and disadvantages. If they are big and light, they can be better combined with their own tissues. It is more natural after the operation. However, due to its material reasons, the operation is easy to be infected, and the problems after operation are difficult to repair. Difficult to carve and expensive.

Silica gel has a wide price range, stable material, easy to take out after surgery, and easy to repair problems. .

It is suggested to choose the appropriate way according to the technical and economic conditions of the selected hospitals and doctors.