The Journal of the Korean dental association (대한치과의사협회지)

The Korean Dental Association (대한치과의사협회)
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The thickness of facial and palatal bone of maxillary anterior natural teeth: radiographic analysis using computed tomography

전산화 단층 촬영을 이용한 상악 전치부 자연치의 순측과 구개측 골의 두께 계측

  • Bae, Soo-Yong (Department of Periodontology, Research institute of periodontal regeneration, College of Dentistry, Yonsei University) ;
  • Park, Jung-Chul (Department of Periodontology, Research institute of periodontal regeneration, College of Dentistry, Yonsei University) ;
  • Sohn, Joo-Yeon (Department of Periodontology, Research institute of periodontal regeneration, College of Dentistry, Yonsei University) ;
  • Um, Yoo-Jung (Department of Periodontology, Research institute of periodontal regeneration, College of Dentistry, Yonsei University) ;
  • Jung, Ui-Won (Department of Periodontology, Research institute of periodontal regeneration, College of Dentistry, Yonsei University) ;
  • Kim, Chang-Sung (Department of Periodontology, Research institute of periodontal regeneration, College of Dentistry, Yonsei University) ;
  • Cho, Kyoo-Sung (Department of Periodontology, Research institute of periodontal regeneration, College of Dentistry, Yonsei University) ;
  • Chai, Jung-Kiu (Department of Periodontology, Research institute of periodontal regeneration, College of Dentistry, Yonsei University) ;
  • Kim, Chong-Kwan (Department of Periodontology, Research institute of periodontal regeneration, College of Dentistry, Yonsei University) ;
  • Choi, Seong-Ho (Department of Periodontology, Research institute of periodontal regeneration, College of Dentistry, Yonsei University)
  • 배수용 (연세대학교 치과대학 치주과학교실, 치주조직재생연구소) ;
  • 박정철 (연세대학교 치과대학 치주과학교실, 치주조직재생연구소) ;
  • 손주연 (연세대학교 치과대학 치주과학교실, 치주조직재생연구소) ;
  • 엄유정 (연세대학교 치과대학 치주과학교실, 치주조직재생연구소) ;
  • 정의원 (연세대학교 치과대학 치주과학교실, 치주조직재생연구소) ;
  • 김창성 (연세대학교 치과대학 치주과학교실, 치주조직재생연구소) ;
  • 조규성 (연세대학교 치과대학 치주과학교실, 치주조직재생연구소) ;
  • 채중규 (연세대학교 치과대학 치주과학교실, 치주조직재생연구소) ;
  • 김종관 (연세대학교 치과대학 치주과학교실, 치주조직재생연구소) ;
  • 최성호 (연세대학교 치과대학 치주과학교실, 치주조직재생연구소)
  • Published : 2009.10.01
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Abstract

Purpose : Anterior region is crucial area for esthetic implant restoration. However, the alveolar process undergoes atrophy after removal of teeth and creates unfavorable situation for implant installation. The knowledge of the thickness of alveolar bone is required to estimate and expect the bone resorption after extraction. The aim of this study is to measure facial, palatal and faciopalatal bone thickness on maxillary anterior teeth. Methods : Facial, palatal, and faciopalatal bone thickness were measured on the computed tomography (CT) images from 57 patients, using an image analyzer program (Ondemand$3D^{(R)}$, Cybermed, Seoul, Korea). Results : The thickness of facial bone in incisors, lateral incisors and canines were less than 1 mm. The thickness of facial bone increased from anterior to posterior region and the thickness of palatal bone increased from posterior to anterior region. Conclusion : The measurement can be used for planning implant surgery before extraction. CT has are clinically useful in the evaluation of thickness of alveolar bone.

Keywords

References

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