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대한구강악안면임프란트학회지 2018 ; 22 (2) : p.24~34

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한국인 남성 무치악환자에서 파노라마 방사선사진상의 치조골 높이 왜곡에 대한 후향적 연구
Retrospective Study on Distortion of Alveolar Bone Height in Panoramic Radiographs of Edentulous Korean Male Patients

저자 백주현, 송영균*
논문 종류 원저 전문 보기 22-2_16-26.pdf 22-2_16-26.pdf
Purpose: The purpose of this study was to analyze the mean residual alveolar bone height according
to various measuring points of male edentulous patients. And to compare the residual alveolar bone
height differences observed in panoramic and computed tomography images for analyzing the
predictable distortion trends in panoramic radiography.
Materials and Methods: The study used 40 images of the maxilla and mandible, excluding
computed tomography and panoramic images. Based on the anatomical indices, the measurement
values of each image were obtained by setting 7 measuring points of the maxilla and 9 measuring
points ofthe mandible. The significant difference was statistically analyzed by paired t test
comparing the measurement values observed on computed tomography and panoramic radiography
(p<0.05).
Results: The mean residual alveolar bone height was more than 15.5 mm in the maxillary anterior
part, 8.2 mm in posterior part, 27.7 mm in the mandibular anterior part, and the mandibular posterior
part was 11.1 mm. The result of paired t-test comparing the computed tomography and panoramic
images showed that the maxillary right central incisor position, maxillary left second premolar,
maxillary right second premolar, mandibular left first premolar, mandibular right first premolar,
mandibular left second premolar, mandibular right second premolar, mandibular left first molar,
mandibular right first molar positions ofresidual alveolar bone height were significantly different
between two images.(p<0.05).
Conclusion: It is considered that the reliability of the panoramic radiography is low because there is
a significant difference in the residual alveolar bone height observed on computed tomography and
panoramic radiography images.
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