For 10 years, clinicians have been able to provide patients with a proven aesthetic and functional restoration that exhibits wear-compatibility, durability, and marginal integrity. This leucite-reinforced, pressed ceramic (IPS Empress, Ivoclar Williams, Amherst, NY) presents to patients and dentists the option of a metal-free alternative which retains the functional advantages of a porcelain-fused-to-metal restoration. This article illustrates the importance of sound laboratory communication in the utilization of this restorative material, focusing upon three aspects: midline and incisal edge inclination, elimination of open gingival embrasures, and incisal edge translucency. Techniques are also presented in order to efficiently communicate details of each case presented to the laboratory.
Today's dental practice is experiencing an evolution in the manner through which new materials and techniques are marketed and introduced. An increasing concern among the patient population regarding aesthetics contributes to the acceptance of a commodity dental philosophy, without questioning the reliability of the technique or new material. A principle-centered practice differentiates the product marketing from the viability of a restorative material in vivo. This article discusses the concept of a principle-centered practice and describes how to place quality products in a balanced system in which harmony exits between all components of the masticatory system: the teeth, the muscles, and the temporomandibular joints.
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