지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
이용수
초록· 키워드
오류제보하기
Objective: This study compared three prominent midsagittal planes (MSPs) to identify the MSP that best approximates the true symmetrical MSP. Methods: Forty-three patients (mean age, 23.0 ± 8.20 years) were grouped as follows: group 1 consisted of 10 patients with skeletal Class I and a menton (Me) deviation of < 2 mm; group 2, 11 patients with skeletal Class III and a Me deviation < 2 mm; group 3, nine patients with skeletal Class III and a Me deviation of 2 to less than 4 mm; and group 4, 13 patients with skeletal Class III and an Me deviation ≥ 4 mm. The candidate MSPs were established by three-dimensional (3D) cone beam computed tomography (CBCT) reorientation methods (RMs): (1) the MSP perpendicular to the Frankfort horizontal (FH) plane while passing through the crista galli and basion; (2) the MSP including the nasion, incisive foramen, and basion; (3) the MSP including the nasion, anterior nasal spine, and posterior nasal spine. The mean absolute distances (MADs) to the MSPs were calculated from the coordinates of 1,548 points on 129 CBCT images. The differences in the values of the 3D coordinates among RMs were compared. Results: The MADs of the three RMs showed significant differences (p < 0.05). Most of the differences in values of the coordinates were not significant among RMs. Conclusions: Although the differences in distance among the three MSPs were minor, the MSP perpendicular to the FH plane while passing through the crista galli and basion best approximated the true symmetrical MSP.
목차
INTRODUCTION
MATERIALS AND METHODS
RESULTS
DISCUSSION
CONCLUSION
REFERENCES
참고문헌 (30)
참고문헌 신청
Kim SJ / 2015 / Threedimensional effect of pitch, roll, and yaw rotations on maxillomandibular complex movement / J Craniomaxillofac Surg 43:264~273
Rohr R / 2001 / Landmark-based image analysis: using geometric and intensity models / Kluwer Academic Publishers
Cevidanes LH / 2006 / Image analysis and superimposition of 3-dimensional cone-beam computed tomography models / Am J Orthod Dentofacial Orthop 129:611~618
Andresen PR / 2000 / Surface-bounded growth modeling applied to human mandibles / IEEE Trans Med Imaging 19:1053~1063
da Motta AT / 2010 / Superimposition of 3D cone-beam CT models in orthognathic surgery / Dental Press J Orthod 15:39~41
Rohr R / 2001 / Landmark-based image analysis: using geometric and intensity models / Kluwer Academic Publishers
Cevidanes LH / 2006 / Image analysis and superimposition of 3-dimensional cone-beam computed tomography models / Am J Orthod Dentofacial Orthop 129:611~618
Andresen PR / 2000 / Surface-bounded growth modeling applied to human mandibles / IEEE Trans Med Imaging 19:1053~1063
da Motta AT / 2010 / Superimposition of 3D cone-beam CT models in orthognathic surgery / Dental Press J Orthod 15:39~41
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