The purpose of this study was to indicate change in an auricular prosthesis resulting from environmental factors. An auricular prosthesis was made from a commercially maxillo-facial dental materials. The patient used this prosthesis. After one year, the auricular prosthesis was changed, it was nonesthetic. The prosthesis was made over again from the beginning. The prosthesis was changed from environmental factors such as sunlight, wetting and drying, cleaning and secretions. Facial prosthesis was fabricated anew because of color changes and surface changes.