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Different types of alloplastic implants are currently being utilized in performing mentoplasty. A review of the literature points out the number of prostheses that have been used. Each type of material has inherit physical properties which determine its characteristics for use as a chin implant. The type of implant and method selected in chin augmentation depends upon accurate preoperative evaluation and full understanding of the properties of alloplastic substances. Five hundred and thirty-nine cases of chin augmentation utilizing different materials and methods were reviewed over a nine year period. The limitations of mentoplasty as well as the advantages, disadvantages, and in selected cases, the indications for the use of a particular implant are discussed.