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임플란트 피개의치 환자에서 구강 병원성 미생물 분포에 관한 임상연구

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* 본 문서는 한글 2005 이상 버전에서 작성된 문서입니다. 한글 2002 이하 프로그램에서는 열어볼 수 없으니, 한글 뷰어프로그램(한글 2005 이상)을 설치하신 후 확인해주시기 바랍니다.

목차

국문 초록
감사의 글
목차
표 차례
그림 차례

Ⅰ. 서론

Ⅱ. 연구재료 및 방법

Ⅲ. 연구결과
논문사진 부도

Ⅳ. 토의

Ⅴ. 결론

참고문헌
외국어 초록

본문내용

Ⅰ. 서론
최근 의학과 기술의 발달로 인한 노인 인구의 증가는 무치악 환자의 증가로 이어지나 모든 무치악 환자가 다수의 임플란트를 심을 수 있는 상황은 아니므로 비교적 예지성 있고 성공적인 결과를 보이는 것으로 알려진 임플란트 피개의치 치료법이 주목을 받고 있다(1).
다수의 치아 상실로 무치악 환자의 경우 잔존치조제의 흡수, 구강 안면지지의 상실, 저작 기능의 저하 등이 초래된다(2, 3). 치아를 다수 상실하는 것과 의치를 사용해야 한다는 것, 무엇보다도 의치의 불안정성은 환자에게 실망감을 줄 수 있다(2, 3). 이러한 무치악 환자의 치료에 있어서 총의치를 이용한 수복은 심미성과 기능을 어느 정도 회복시킬 수 있지만, 안정성과 유지력은 특히 오래된 무치악 하악의 경우에 좋지 않다. 임플란트를 이용하여 의치의 유지 및 지지를 향상시키면 저작, 심미의 개선뿐 아니라 일상생활에서 정신적 안정감을 줄 수 있으며, 임플란트 식립은 잔존치조제의 흡수를 늦출 수 있다는 장점을 갖는다고 보고되었다 (1, 4, 5). 또한 환자의 만족도, 저작력의 개선, 의치의 안정성 면에서 임플란트 피개의치가 전통적인 의치를 대체하는 매우 성공적인 치료법이라는 것에 대해서는 많은 연구결과가 보고되었다 (6-8).
그 동안 치과 임플란트 술식의 보편화와 더불어 구강 내 임플란트 주위 감염과 연관된 세균총에 대한 연구는 비교적 활발히 진행되어 왔다 (22, 24, 26). 기존의 연구에 따르면 건강한 상태의 치주조직에서는 치주질환에 이환된 조직과 비교하여 적은 수의 세균이 치은 열구 내에 존재하며, 분포 세균 군에 있어서 다른 양상을 보인다 (44, 45). 정상조직에서는 주로 그람 양성 통성균인 Streptococcus (Streptococcus sanguinis, Streptococcus mitis)가 존재하며 (9, 10), 적은 양의 그람 음성균인 Prevotella intermedia, Fusobacterium nucleatum, Capnocytophaga등이 존재하는 것으로 보고되었다 (11).

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