A breast prosthesis may be formed by forming an outer layer on a mold, and filling the mold with a polymerizable foaming composition. The mold may be formed by forming a computer model of the prosthesis based on scanning a patient. The computer model may be used to form a solid model. A prosthesis may...http://www.google.fr/patents/US7058439?utm_source=gb-gplus-shareBrevet US7058439 - Methods of forming prostheses