Edentulism is considered a poor health outcome and may compromise the quality of life. Although the number of adult losing their natural teeth is diminishing, there are still large numbers of edentulous adults in the population. Many patients experience difficulties in wearing or using dentures. In some cases they may not be prepared to accept the limited efficiency of dentures when compared to natural teeth they replace. Patient satisfaction is critical determinant in the success or failure of complete denture therapy. The prosthodontist needs a thorough knowledge of anatomy, physiology,...