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Introduction. Complete denture reinforced with metal bases is fabricated in  cases of fracture risk as well as in selected patients with neuromuscular  disorders. The aim of this report was to present different designs of metal  framework for complete denture and their advantages in the treatment of  edentulous patients. Material and Methods. The study included 116 edentulous  patients who received complete dentures. The respondents were divided into  two groups according to the type of denture used. Thirty one patients were  rehabilitated with complete dentures reinforced with metal base, whereas 85  patients received conventional complete acrylic dentures. Metal bases were  fabricated using Co-Cr-Mo alloy. Two designs different in regards to the  vibrating line were fabricated: metal frame extended to the vibrating line  and acrylic resin extended to the vibrating line. After investing and  casting, metal bases were electropolished. Subsequent processes of arranging  artificial teeth, waxing, flasking and finishing completed the fabrication  process of dentures. Results. Denture base fractures were prevented in  majority of patients. The design of upper denture where metal frame was  extended to the vibrating line and metal base with elongation over the convex  edentulous ridge in lower jaw were the most favored and successful in  prosthetic rehabilitation of experimental group of edentulous patients. There  was no need for rebasing of complete dentures reinforced with metal base.  Conclusion. Complete denture reinforced with metal base presents a favorable  design for rehabilitation of edentulous patients with well pronounced  edentulous ridges and low tendency to resorption

Design of complete denture reinforced with metal base