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2018 Vol.22, Issue 2 Preview Page
June 2018. pp. 88-98
Abstract

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 of the 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 of residual 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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Information
  • Publisher :The Korean Academy of Oral & Maxillofacial Implantology
  • Publisher(Ko) :대한구강악안면임플란트학회
  • Journal Title :IMPLANTOLOGY
  • Journal Title(Ko) :대한구강악안면임플란트학회지
  • Volume : 22
  • No :2
  • Pages :88-98
  • Received Date :2018. 05. 31
  • Accepted Date : 2018. 06. 29