Dental lasers are a new technology which is revolutionizing the world of traditional drill based dentistry. Drills, used to correct decayed tooth enamel and gums, as well as enamel scissors, cleaning brushes and other traditional tools are being replaced by the laser which is fast effective and painless, and allows for faster recovery with no requirements of anesthesia. The laser is one of the newest developments of dentistry, where light is used to cut and remove material. Lasers emit light of a synchronized wave pattern, with a high energy content, which can be used to cut through teeth and tissue. By varying the wavelength of the light, it can be used to cut through targets of varying types like dental enamel, decayed teeth, gum tissue, and even used to whiten teeth by cutting through deposit layers on teeth. This technique of using lasers for dental applications has been approved by the Food and Drug Association and the American Dentist Association in the United States of America. The FDA studies demonstrated the following features related to Erbium YAG laser: The laser can remove caries completely and effectively. The laser can perform cavity preparation effectively. The laser can etch teeth effectively. The quality of the cavity preparation (before restoration) is equivalent to that obtained with a dental handpiece: scanning electron microscopic and visual assessment show sharpness of walls; dye penetration studies show bonding between composites and tooth structure …
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