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Functional Classification of Joints

Functional Classification of Joints

Functional Classification of Joints
The functional classification of joints is determined by the amount of mobility between the adjacent bones. Joints are functionally classified as a synarthrosis or immobile joint, an amphiarthrosis or slightly moveable joint, or as a diarthrosis, a freely moveable joint. Fibrous and cartilaginous joints can be functionally classified as either synarthroses or amphiarthroses, whereas all synovial joints are classified as diarthroses.
Synarthrosis
An...

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Alar Preservation Principles: Alar Hinge Flaps.

Amir A Sazgar¹

¹Division of Facial Plastic & Reconstructive Surgery, Department of Otolaryngology, Head and Neck Surgery, Tehran University of Medical Sciences, Vali-Asr Hospital, Dr. Gharib Avenue, Keshavarz Boulevard, Tehran 1419733141, Iran.

Facial Plastic Surgery Clinics of North America

|April 19, 2025

Summary

This summary is machine-generated.

Preservation rhinoplasty techniques, including alar preservation, maintain natural nasal structures for improved outcomes and fewer complications. This approach refines older methods using new anatomical insights.

Keywords:

Alar cartilage Alar preservation Lower lateral cartilage Preservation rhinoplasty Rhinoplasty Scroll complex Scroll ligament Upper lateral cartilage

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Area of Science:

Plastic Surgery
Otolaryngology
Facial Anatomy

Background:

Preservation rhinoplasty is gaining global acceptance among surgeons.
The core principle involves maintaining existing nasal structures over removal and reconstruction.
This leads to more natural results and reduced long-term complications.

Purpose of the Study:

To highlight the advancements and principles of preservation rhinoplasty.
To discuss the specific techniques of alar preservation.
To explain the evolution of these procedures based on anatomical research.

Main Methods:

Review of current preservation rhinoplasty techniques.
Focus on alar preservation, maintaining cartilaginous integrity and nasal tip ligaments.
Integration of recent anatomical studies to refine surgical approaches.

Main Results:

Preservation techniques yield more natural aesthetic outcomes.
Reduced incidence of long-term complications compared to traditional methods.
Alar preservation specifically maintains critical tip support structures.

Conclusions:

Preservation rhinoplasty offers significant advantages in achieving natural aesthetics and patient satisfaction.
Alar preservation is a key component, evolving with anatomical understanding.
This approach represents a paradigm shift in nasal surgery.