Laser treatment is used for a dentistry clinical treatment to be very wide now, such as environment improvement in a pocket in a periodontal disease, caries removal, melanin removal, and also as an incision technique as application of surgery and excision, relaxation of sharp pain of stomatitis. While laser treatment showing an expanse between dentists in Japan, I would like to report some laser experience from a view point of a beginner of Er:YAG laser remedy.
