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Anatomical Positions

Anatomical 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...

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[Condylar positioning during mandibular orthognatic surgery].

H Bénateau¹, A Chatellier¹, N Leprovost¹

¹Service de chirurgie maxillo-faciale, CHU de Caen, avenue de la Côte-de-Nacre, 14000 Caen, France.

Revue De Stomatologie, De Chirurgie Maxillo-Faciale Et De Chirurgie Orale

|July 9, 2014

Summary

This summary is machine-generated.

Sagittal split osteotomy has evolved from wire fixation to rigid fixation. Accurate condyle positioning is crucial with rigid fixation to prevent relapse and temporomandibular joint issues.

Keywords:

Condyle Mandibulaire Mandibular Osteotomy Ostéotomie Position

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Area of Science:

Oral and Maxillofacial Surgery
Orthognathic Surgery
Biomaterials and Fixation Devices

Context:

Mandibular sagittal split osteotomy is a common orthognathic surgery technique.
Early osteosynthesis used wires, requiring prolonged intermaxillary fixation.
Modern rigid and semi-rigid fixation eliminates the need for intermaxillary fixation but necessitates precise condylar positioning.

Purpose:

To review the evolution of osteosynthesis in sagittal split osteotomy.
To highlight the critical importance of accurate condylar positioning with rigid fixation.
To discuss various methods for achieving optimal condylar positioning.

Summary:

Osteosynthesis in sagittal split osteotomy has transitioned from wire fixation to rigid/semi-rigid systems.
Rigid fixation demands precise condylar positioning to avoid skeletal relapse and temporomandibular joint issues.
Techniques including manual, device-assisted, and adjustable miniplates aim to improve condylar positioning accuracy.

Impact:

Improved understanding of condylar positioning's role in orthognathic surgery outcomes.
Informed selection of fixation and positioning techniques for better surgical results.
Potential reduction in short-term skeletal relapse and temporomandibular joint dysfunction incidence.