The purpose of this paper is to discuss the indication. treatment procedure. prognosos and complication of autogenous transplantation in treating impacted teeth of orthodontic patient. Autogenous transplantation is indicated, in cases of rejecting orthodontic treatment due to the visible orthodontic appliance, the relatively long treatment time, unfavorable tooth position for orthodontic repositioning, unrestorable advanced detal caries. advanced periodontitis and ankylosed tooth. Most process related to the decision of the prognosis is dependent on the careful surgical technique. In comparison to other orthodontic and surgical procedure, the application of the autotransplantation is limited, although its success rate is markedly increased today. Therefore we must we must pay attention to the treatment planning and cooperation with other specialties is needed.

정부는 막대한 투자를 통해 정보고속도로를 구축하는 프로젝트를 발표했고 국민 PC를 보급하는 등 컴퓨터 없는 생활은 상상하기도 힘들 정도가 됐다. 치과계에서도 정보화와 함께 인터넷에 각종 관련 자료를 업그레이드하고 있다. e-business를 본딴 e-dentistry라는 용어를 사용할 정도로 치과계에서도 인터넷이 일상생활에 밀접하게 됐다. 치과계에서 활용할 수 있는 유용한 홈페이지를 살펴보고 치과계에서 활용되고 있는 사이트에 대해 총괄해 본다.

Water fluoridation in conjunstion with wide use of fluoride dentifrices has been a major factor responsible for the decline in dental caries during the second half of the 20th century throughout the world. The history of water of water fluoridation is a classic public health program leading to epidemiologic investigation and community-based public health dentistry program. Although other fluoride-containing products are available, water fluoridation remains as the most safe and cost-effective method of delivering fluoride to omost communities. regardless of age. educational attainment. or income levels,. This review deals with pros and cons of water fluoridation and prospective analysis of state-of-the-art on issues related to the use of fluoride. An "optimal" fluoride concentration of 0.7-1.2 ppm has been recommended for preventing dental caries with a minimal dental fluorosis and no systemic health consequences.