Lumineers by Cerinate Lumineers by Cerinate Porcelain Veneers Two Visit Procedure. The first visit an impression is made, and the mold is sent to the Cerinate Smile Design Studios. On the second visit, Lumineers are attached over natural teeth. If tooth reduction is needed, often only minimal contouring is done and the sensitive part of the tooth is not touched. Pain free smile. Cover chips and stains, spaces and gaps. A pain free smile that is stain free and lasts for about 2o years.