High-quality esthetic veneers can be produced in a single treatment session only by means of chairside CAD/CAM technology. With efficient therapy, the duration of the relatively long treatment cycle can be optimized: planning casts and a diagnostic wax-up are steps that simplify therapy decisions, the same as with veneers produced by laboratories. After production of a mock-up and preparation of the teeth, removable composite veneers can be prepared and gradually replaced by ceramic veneers. Modern, three-dimensional presentation by use of the Cerec 3D system facilitates construction of veneers seen in relation to the other teeth. A very helpful aspect is that the mock-ups can be adjusted to patients' needs during the complete production process. After individualization by a dental ceramic technician, there is no recognizable esthetic difference from veneers produced by a laboratory. Schlagwörter: CAD/CAM, chairside technology, veneering