7 The use of indirect restorations can be facilitated with the chairside CAD/CAM technologies, which reduce chair-time and laboratory steps. 8 The evolution of CAD/CAM systems has stimulated the development of new ceramic materials, guiding the choice based on the translucency, brightness value, available space in the buccal area and the degree of tooth discoloration to optimize the aesthetic results. 6−9 Another important factor to consider when using indirect techniques for closing diastemas or correcting misaligned teeth is the clinical long term success provided by enamel bonding in minimally invasive preparations. 7 Additionally, chairside CAD/CAM technologies are helpful on determining the exact areas for removing teeth retention during preparation. Therefore, this article describes the clinical and laboratory steps of a diastema esthetic rehabilitation using chairside CAD/CAM system and emphasizes the possibilities of this technology to guide conservative preparations in retentive areas of teeth in order to create an insertion direction to thin laminate veneers and preserve enamel to achieve optimal ceramic-tooth bonding.
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