Karic, VesnaMulder, RiaanMelman, Geoffrey2017-06-262017-06-262017Karic, V. et al (20017). Cavity preparation using hard tissue lasers in operative dentistry. South African Dental Journal, 72(4): 182 - 1831029-4864http://hdl.handle.net/10566/2996A laser is a device that delivers coherent, monochromatic and collimated light as a form of energy. Most dental laser devices emit invisible light in the infrared portion of the electromagnetic spectrum. On May 7, 1997, the Food and Drug Administration (FDA) cleared for marketing in the United States the first erbium: yttrium - aluminum -garnet, or Er: YAG, laser for use in preparing cavities in the teeth of living human subjects.enThis file may be freely used for educational uses. No commercial reproduction or distribution of this file is permitted without written permission of the South African Dental Association (SADA). Note that the SADA retains all intellectual property rights in the article.CavatiesOperative DentistryLasersFood and Drug Administration (FDA)Dental lasersArticle