구강 내 누공이 있는 낭성 병소와 제 3대구치의 병적 이동
Cystic Lesion with Sinus Tract and Pathologic Migration of the Third Molar
이은희, 김대훈, 장효원, 박광호, 허종기,
소속 상세정보
이은희 ( Lee Eun-Hee ) - 연세대학교 치과대학 강남세브란스병원 구강악안면외과
김대훈 ( Kim Dae-Hoon ) - 연세대학교 치과대학 강남세브란스병원 구강악안면외과
장효원 ( Jang Hyo-Won ) - 연세대학교 치과대학 강남세브란스병원 구강악안면외과
박광호 ( Park Kwang-Ho ) - 연세대학교 치과대학 강남세브란스병원 구강악안면외과
허종기 ( Huh Jong-Ki ) - 연세대학교 치과대학 강남세브란스병원 구강악안면외과
Abstract
There are many case reports about cysts within the bones of the jaws associated with impacted third molars. When osmotic pressure is introduced into a cyst, the cyst expands and displaces the third molar. If continuity of cyst wall is lost, cystic expansion cannot occur, and the cyst cannot displace the third molar. This study analyzed four cases of pathologic migration of the third molar in ruptured cystic lesions that had formed bone tunnels and intraoral fistulas to identify the causes and factors contributing to this migration. Authors hypothesized that closure of fistulas repeated generation of pressure, it may temporarily increase the osmotic pressure within a cyst that has lost its continuity, causing displacement of the third molar. A cyst that has lost its continuity due to fistula formation within the oral cavity can cause ectopic displacement of the adjacent impacted teeth.
키워드
Third molar; Pathologic migration; Cyst; Sinus tract
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