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Updated: Jul 2, 2026

Three-Dimensional Cephalometric Landmark Annotation Demonstration on Human Cone Beam Computed Tomography Scans
Published on: September 8, 2023
Simple technique to achieve a natural head position for cephalography
Chun-Ming Chen1, Steven Lai, Y C Tseng
1Department of Oral and Maxillofacial Surgery, College of Dental Science, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan.
Abstract:
The cephalometric measurement of the face in terms of aesthetics can be difficult and misleading due to the variability of the intra-cranial reference lines according to diversity of head posture. Natural head position (NHP) has been proposed as a preferred reference position for assessing facial morphology. Even though natural head position is more proper and valid, it is still abandoned by reasons of time-consumption and additional and necessary complex equipment. Hence, we developed a modified level laser approach to acquire the natural head position. This method was a simple and straightforward technique which may be of value as and adjunct to routine orthognathic planning.
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