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DIAGNOSIS OF PERIAPICAL CEMENTAL DYSPLASIA

Periapical cemental dysplsia의 진단에 대한 치험례

  • Lee, Soon-Young (Department of Conservative Dentistry, College of Dentistry, Yonsei University) ;
  • Lee, Chang-Young (Department of Conservative Dentistry, College of Dentistry, Yonsei University) ;
  • Roh, Byoung-Duck (Department of Conservative Dentistry, College of Dentistry, Yonsei University)
  • 이순영 (연세대학교 치과대학 치과보존학교실) ;
  • 이찬영 (연세대학교 치과대학 치과보존학교실) ;
  • 노병덕 (연세대학교 치과대학 치과보존학교실)
  • Published : 2005.01.01

Abstract

Periapical cemental dysplasia(PCD) is a condition most commonly seen in the mandibular incisor region. Radiographically it passes through the three phases(osteolytic stage, intermediate stage, and mature stage). At osteolytic stage, the lesion is similar to features associated with granuloma or cyst that arise following pulpal necrosis. So, it is important to confirm the vitality of the pulp to diagnosis. In this case, it is difficult to confirm the vitality of involved tooth because the tooth was covered with PFG bridge. And it is unusual that the PCD lesion at mandibular incisors has occurred at first and the lesion of mandibular canine and mandibular premolar were occurred afterward.

치근단 백악질 이형성증은 대부분 하악 전치부에서 발생하는 병소로 시간의 흐름에 따라 3단계의 독특한 방사선 사진상의 변화 양상을 보인다 (방사선 투과성기, 혼합기, 방사선 불투과성기). 특별히 1단계인 방사선 투과성기의 방사선 사진 상의 양상은 치수 괴사로 인해 발생하는 치근단 육종이나 치근단낭과 매우 유사하다. 따라서 이를 감별하기 위해서는 정기적인 방사선 사진 검사와 함께 치수의 생활력을 검사가 매우 중요하다고 할 수 있다. 하지만 본 증례에서는 해당 부위의 치아가 PFG bridge로 수복되어 있는 치수 생확력 검사를 정확하게 할 수 없었다. 또한 병소가 처음에는 하악 전치부에 발생하였으나 뒤이어 하악 견치와 소구치부에서도 연달아 발생한 특이한 소견을 보였다.

Keywords

References

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