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.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2017.8
- 수록면
- 256 - 261 (6page)
이용수
초록· 키워드
오류제보하기
Objectives: The concept of natural head position (NHP) was first introduced by Broca in 1862, and was described as a person’s stable physiologic po-sition “when a man is standing and his visual axis is horizontal.” NHP has been used routinely for clinical examination; however, a patient’s head posi-tion is random during cone-beam computed tomography (CBCT) acquisition. To solve this problem, we developed an accelerometer to record patients’ NHP and reproduce them for CBCT images. In this study, we also tested the accuracy and reproducibility of our accelerometer. Materials and Methods: A total of 15 subjects participated in this study. We invented an accelerometer that measured acceleration on three axes and that could record roll and pitch calculations. Recorded roll and pitch data for each NHP were applied to a reoriented virtual image using three-dimen-sional (3D) imaging software. The data between the 3D models and the clinical photos were statistically analyzed side by side. Paired t-tests were used to statistically analyze the measurements. Results: The average difference in the angles between the clinical photograph and the 3D model was 0.04o for roll and 0.29o for pitch. The paired t-tests for the roll data (P=0.781) and the pitch data (P=0.169) showed no significant difference between the clinical photographs and the 3D model (P>0.05).Conclusion: By overcoming the limitations of previous NHP-recording techniques, our new method can accurately record patient NHP in a time-efficient manner. Our method can also accurately transfer the NHP to a 3D virtual model.
목차
등록된 정보가 없습니다.
참고문헌 (28)
참고문헌 신청
Broca M / 1862 / Sur les projections de la tète, et sur un nouveau procède de cephalometrié [The projections of the head and a new procedure in cephalometry] / Bull Soc Anthropol Paris 3:514~544
Moorrees CFA / 1958 / Natural head position, a basic consideration in the interpretation of cephalometric radiographs / Am J Phys Anthropol 16:213~234
Weber DW / 2013 / Three-dimensional reproducibility of natural head position / Am J Orthod Dentofacial Orthop 143:738~744
Huggare JA / 1997 / Nasorespiratory function and head posture / Am J Orthod Dentofacial Orthop 112:507~511
Lundström A / 1990 / Natural head position/a discussion of concepts / Br J Orthod 17:249~250
Moorrees CFA / 1958 / Natural head position, a basic consideration in the interpretation of cephalometric radiographs / Am J Phys Anthropol 16:213~234
Weber DW / 2013 / Three-dimensional reproducibility of natural head position / Am J Orthod Dentofacial Orthop 143:738~744
Huggare JA / 1997 / Nasorespiratory function and head posture / Am J Orthod Dentofacial Orthop 112:507~511
Lundström A / 1990 / Natural head position/a discussion of concepts / Br J Orthod 17:249~250
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