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임플랜트를 위한 하악골 측정시 전산화단층사진상의 정확도에 관한 연구: 하악 위치와 gantry각이 미치는 영향 : Accuracy of CT image in measuring the mandible for implant : Effect of mandibular position and gantry angle
DC Field | Value | Language |
---|---|---|
dc.contributor.author | 최순철 | - |
dc.contributor.author | 최항문 | - |
dc.contributor.author | 박래정 | - |
dc.contributor.author | 이삼선 | - |
dc.contributor.author | 박태원 | - |
dc.contributor.author | 유동수 | - |
dc.date.accessioned | 2011-10-12T08:13:53Z | - |
dc.date.available | 2011-10-12T08:13:53Z | - |
dc.date.issued | 1998-02 | - |
dc.identifier.citation | 대한구강악안면방사선학회지 1998;28:225-234 | en |
dc.identifier.issn | 0389-9705 | - |
dc.identifier.uri | https://hdl.handle.net/10371/74063 | - |
dc.description.abstract | We used five adult dog mandibles embedded in resin block and six different
cross-sectional planes for each mandible were choosen. According to the angle of mandibular occulsal plane to vertical plane(mandibular angle) and gantry angle of CT machine, we classified 4 experimental groups and 1 control group. The control group images were taken at the mandibular angel 0º and gantry angle 0º . The experimental images were taken at the mandibular angle 15º and gantry angle 0º(group 1); 30º and 0º(group 2); 15º and 15º(group 3); 30º and 30º(group 4), respectively. Using the reformatted cross-sectional images, the distance from the mandibular canal to the alveolar crest and the distance from the mandibular canal to the buccal cortex and to the lingual cortex was measured and compared. The obtained results were as follows : 1. The distance from the mandibular canal to the alveolar crest of group 1 and 2 was larger than control group, but the distance of group 3 and 4 was smaller. The distance from the mandibular canal to the buccal cortex and to the lingual cortex of all experimental groups was smaller than control group. 2. The distance from the mandibular canal to the alveolar crest showed the largest difference from control group in all experimental groups, especially in group 2 and 4(p<0.05). 3. In the distance from the mandibular canal to the alveolar crest, the number of deviation value under 1 ㎜ was 20 in group 3 and was 11 in group 2 and 4, respectively. 4. The deviation value of the distance from the mandibular canal to the buccal cortex and to the lingual cortex was under 1 ㎜ in most cases. | en |
dc.description.sponsorship | 이 논문은 1997년도 서울대학교병원 일반연구비(04-95-44) 지원에 의해 이루어진 것임. | en |
dc.language.iso | ko | en |
dc.publisher | 대한구강악안면방사선학회 | en |
dc.title | 임플랜트를 위한 하악골 측정시 전산화단층사진상의 정확도에 관한 연구: 하악 위치와 gantry각이 미치는 영향 | en |
dc.title.alternative | Accuracy of CT image in measuring the mandible for implant : Effect of mandibular position and gantry angle | en |
dc.type | Article | en |
dc.contributor.AlternativeAuthor | Choi, Soon-Chul | - |
dc.contributor.AlternativeAuthor | Choi, Hang-Moon | - |
dc.contributor.AlternativeAuthor | Park, Rae-Jeong | - |
dc.contributor.AlternativeAuthor | Lee, Sam-Sun | - |
dc.contributor.AlternativeAuthor | Park, Tae-Won | - |
dc.contributor.AlternativeAuthor | You, Dong-Soo | - |
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