Abstract
More than any other time period, the past 30 years have witnessed tremendous strides in the field of restorative dentistry. This is true from single-tooth restoration to the comprehensive rehabilitation of the entire dentition using dental implants, guided tissue regeneration, 4 and osseointegration techniques. 20,24 These advances are largely due to the extensive amount of research in restorative materials, bonded restorations, and implantology. The aging dentition presents with the following problems 7 : wear and attrition of natural teeth; teeth discoloration; loss, shifting, spreading, drifting, or migration of one or more teeth; ridge resorption; bite collapse; loss of vertical dimension and excessive freeway space; and wrinkled or collapsed facial characteristics. In the restoration of patients presenting with these problems, the prosthodontist should adhere to some basic principles of reconstruction. In order to achieve aesthetic harmony, attention should be given to the color, size, shape, form, and arrangement of teeth. The prosthodontist also makes sure that once the reconstruction is finished speech and mastication are intact. The reconstruction must also function in harmony with the adjacent anatomy such as the temporomandibular joint and the supporting musculature, and it must not compromise the periodontal health of the individual.
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