Abstract
ObjectivesIndirect partial restorations are now very popular as a reconstructive procedure for anterior teeth damaged by trauma, caries or discolorations; CAD/CAM technologies are now available to accomplish all the phases of the restorative treatment. A wide review of the relevant literature on these clinical protocols is presented and analysed in this paper. Materials and methodsAccording to literature evidence, an accurate review was performed of indications for use of veneers in ceramic or comparable aesthetic materials, type of tooth preparation, substrate conditioning and luting materials. Clinical longitudinal studies were taken into account, as well as clinical protocols for materials selection, being ceramics and new machinable composites the existing materials of choice. Adhesive procedures and luting materials were also considered. Results and conclusionsCAD/CAM procedures are today reliable and reproducible; in addition, ceramics, both feldspathic and lithium disilicate glass ceramics, have markedly improved in the last few years and have been modified to reach higher performance values. The outcome of these reconstruction methods depends on several factors; however, the type of preparation, the finishing lines in enamel and the patient's clinical conditions are the main factors that a clinician should pay attention to. The restorations long-term survival rate exceeding 85% justifies the safe use of these techniques to restore severely damaged anterior teeth.
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