They are used when presenting to the dental office, patients who have lost one or more teeth for various reasons, consequently causing aesthetic and functionality problems. Aesthetic problems are a factor that generates high expectations as to the results that is intended to produce after having completed the appropriate treatment for each individual case. The major concern of partially or totally edentulous patient to receive a removable prosthesis, is the fact that this structure contains metallic elements or "artificial" which are common knowledge and prove unsightly and annoying. For this reason, it has been a great challenge, guide research in order to obtain better results than conventional dentures provide, using new materials that can go unnoticed and provide greater patient comfort. We give priority to these principles, using the best materials and thus satisfy our patients aesthetically and functionally. Another branch of the prosthesis is the making of crowns and bridges. These can be pure porcelain or porcelain to metal. In both cases only quality porcelain is used.