Related Experiment Video
Updated: Jul 2, 2026
10:23
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.
The British Journal of Oral & Maxillofacial Surgery
|September 2, 2008
Summary
Cephalometric measurements are often misleading due to head posture variations. A modified laser technique simplifies achieving natural head position for accurate facial assessments in orthognathic planning.
Area of Science:
- Dentistry
- Orthodontics
- Medical Imaging
Background:
- Cephalometric analysis is crucial for facial morphology assessment.
- Variability in head posture complicates accurate cephalometric measurements.
- Natural head position (NHP) is ideal but often impractical due to complexity and time.
Observation:
- Existing methods for determining NHP are time-consuming and require complex equipment.
- A modified level laser approach was developed to simplify NHP acquisition.
- This technique aims to be a practical adjunct for routine orthognathic planning.
Findings:
- The modified level laser approach provides a simple and straightforward method for acquiring NHP.
- This technique overcomes the practical limitations of traditional NHP determination methods.
- It offers a viable alternative for enhancing the accuracy of cephalometric analysis.
Implications:
- The developed method can improve the reliability of cephalometric measurements in orthognathic surgery.
- It may lead to more precise facial aesthetic assessments and treatment planning.
- This technique has the potential to be widely adopted in clinical practice for routine use.
Related Concept Videos
01:11Anatomical Positions
In anatomy, several standard anatomical positions are used as references for describing the position and orientation of different body parts. These positions help provide a common frame of reference when discussing anatomical structures. The anatomical position is the standard reference point for describing the body's position and orientation. In this position:
The body is upright, facing forward, and standing erect.
The feet are parallel and flat on the floor.
The arms are hanging by the...
The body is upright, facing forward, and standing erect.
The feet are parallel and flat on the floor.
The arms are hanging by the...
01:22Cardiopulmonary Resuscitation II: ACLS Airway Management
Airway management is a key skill in emergency and critical care settings, as maintaining a clear airway is essential for adequate oxygenation and ventilation.Head Tilt-Chin Lift TechniqueThe head tilt-chin lift maneuver is an essential technique primarily used in patients without suspected cervical spine injuries. To perform this maneuver, one hand is placed on the patient’s forehead, and gentle pressure is applied backward to tilt the head. The fingertips of the other hand are positioned under...
01:19Muscles that Move the Head
The muscles that move the head are a dynamic and complex group of structures that work together to facilitate a wide range of head movements, including rotation, flexion, extension, and lateral bending.
The bilateral sternocleidomastoid, or SCM, and the suprahyoid and infrahyoid muscles are significant head flexors. The SCM muscles originate at the sternum and clavicle and attach to the mastoid process of the temporal bone. The SCM contracts bilaterally to bend the head forward, whereas...
The bilateral sternocleidomastoid, or SCM, and the suprahyoid and infrahyoid muscles are significant head flexors. The SCM muscles originate at the sternum and clavicle and attach to the mastoid process of the temporal bone. The SCM contracts bilaterally to bend the head forward, whereas...