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Related Concept Videos

Anatomical Positions01:11

Anatomical Positions

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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...
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Overview of the Skull01:08

Overview of the Skull

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The cranium (skull) is the skeletal structure of the head that supports the face and protects the brain. It is subdivided into the facial bones and the brain case, or cranial vault. The facial bones underlie the facial structures, form the nasal cavity, enclose the eyeballs, and support the teeth of the upper and lower jaws.
The cranial vault surrounds and protects the brain and houses the middle and inner ear structures. This cavity is bounded superiorly by the rounded top of the skull, which...
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Cranial Bones: Superior and Posterior View01:14

Cranial Bones: Superior and Posterior View

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The superior view of the cranium shows the frontal and paired parietal bones.
The frontal bone is the single bone that forms the forehead. At its anterior midline, between the eyebrows, there is a slight depression called the glabella. The frontal bone also forms the supraorbital margin of the orbit. Near the middle of this margin is the supraorbital foramen, the opening that provides passage for a sensory nerve to the forehead. The frontal bone is thickened just above each supraorbital margin,...
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Cranial Bones: Lateral View01:27

Cranial Bones: Lateral View

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The lateral view of the cranium is dominated by temporal, sphenoid, and ethmoid bones.
The temporal bone forms the lower lateral side of the skull. The temporal bone is subdivided into several regions. The flattened upper portion is the squamous portion of the temporal bone. Below this area and projecting anteriorly is the zygomatic process of the temporal bone, which forms the posterior portion of the zygomatic arch. Posteriorly is the mastoid portion of the temporal bone. Projecting...
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Sutures of the Skull01:22

Sutures of the Skull

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The human skull is composed of several bones that come together to protect the brain and support the structures of the face. The junctions where these bones meet are called sutures.
Sutures are immobile joints between adjacent bones of the skull. The narrow gap between the bones is filled with dense, fibrous connective tissue that unites the bones. The long sutures located between the skull bones are not straight but instead follow irregular, tightly twisting paths. These twisting lines tightly...
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Muscles for Facial Expressions01:14

Muscles for Facial Expressions

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The craniofacial muscles are a collection of approximately 20 thin skeletal muscles situated beneath the skin of the face and scalp. These muscles, primarily responsible for the vast array of human facial expressions, originate from the bones or fibrous structures of the skull and extend outwards to connect with the skin. While most skeletal muscles in the body are enveloped in thick fascia, facial muscles generally have a more delicate fascial covering, with the buccinator muscle being a...
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A Postoperative Evaluation Guideline for Computer-Assisted Reconstruction of the Mandible
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Sagittal spinal posture in relation to craniofacial morphology.

Carsten Lippold1, Gholamreza Danesh, Gloria Hoppe

  • 1Department of Orthodontics, Faculty of Dentistry, University of Müenster, Germany. lippold@uni-muenster.de

The Angle Orthodontist
|July 1, 2006
PubMed
Summary

This study found significant links between jaw alignment and body posture, particularly the cervical spine. The mandible appears to influence posture more than other facial features, requiring interdisciplinary evaluation for severe malocclusions.

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Midface Hypoplasia and Cranial Base Morphology in Syndromic Craniosynostosis: A Comparative Analysis Study Using a Predictive Regression Model

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Area of Science:

  • Orthodontics and Biomechanics
  • Human Posture Analysis
  • 3D Imaging Technologies

Background:

  • Sagittal jaw position is crucial in orthodontics, influencing facial aesthetics and function.
  • Body posture, particularly in the sagittal plane, can be objectively measured using 3D techniques.
  • Understanding the interplay between craniofacial structure and posture is vital for comprehensive patient care.

Purpose of the Study:

  • To investigate correlations between sagittal jaw position and body posture parameters.
  • To utilize rasterstereography for objective 3D dorsal profile measurements.
  • To establish relationships between specific craniofacial angles and spinal/trunk alignment.

Main Methods:

  • Examined 53 adults with Class II or III malocclusions.
  • Measured six angular craniofacial parameters.
  • Assessed sagittal body posture using Fleche Cervicale, Fleche Lombaire, and trunk inclination via rasterstereography.

Main Results:

  • Found statistically significant correlations (P < .05) between Facial Axis and Fleche Cervicale.
  • Identified significant links between Mandibular Plane angle and Fleche Cervicale.
  • Observed a significant correlation between Facial Depth and Fleche Cervicale.

Conclusions:

  • The mandible demonstrates a notable influence on body posture compared to other craniofacial parameters.
  • Interdisciplinary assessment is recommended for patients with severe malocclusions pre-orthognathic surgery.
  • Minimizing postural influence on altered jaw relationships post-surgery is a key clinical consideration.