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Growth of Cartilage and Bone Tissue

Growth of Cartilage and Bone Tissue

Chondrocytes form a temporary cartilaginous model by dividing and secreting a thick gel-like extracellular matrix. Once the chondrocytes undergo programmed cell death, osteoblasts enter the site of the cartilaginous model. The process of replacing the temporary cartilaginous model with bone in an ordered manner is called endochondral ossification. In endochondral ossification, not all of the cartilage is replaced by bone tissue. Some cartilage that performs a protective and supportive function...

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Integrated Bone Formation Through In Vivo Endochondral Ossification Using Mesenchymal Stem Cells

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Published on: July 14, 2023

Alar cartilage grafts.

Stephen M Weber¹, Shan R Baker

¹Division of Facial Plastic and Reconstructive Surgery, Department of Otolaryngology and Head & Neck Surgery, Oregon Health & Science University, 3181 SW Sam Jackson Park Road, Portland, OR 97239, USA. webers@ohsu.edu

Clinics in Plastic Surgery

|March 9, 2010

Summary

This summary is machine-generated.

Rhinoplasty often preserves alar cartilage structure for nasal tip support. When existing structure is insufficient, alar cartilage grafts are necessary to rebuild nasal contour and ensure aesthetic and functional outcomes.

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Area of Science:

Plastic Surgery
Otolaryngology
Facial Anatomy

Background:

Alar cartilages are crucial for nasal tip contour and structural integrity.
Current rhinoplasty emphasizes preserving alar structure through sutures or trimming for deformities.

Purpose of the Study:

To evaluate the necessity and application of alar cartilage grafting in rhinoplasty.
To determine when conservative methods are insufficient for nasal tip reconstruction.

Main Methods:

Review of rhinoplasty techniques focusing on alar cartilage preservation and grafting.
Analysis of cases requiring structural augmentation for nasal tip deformities.

Main Results:

Conservative methods (sutures, cephalic trim) are effective when adequate alar structure is present.
Alar cartilage grafting is indicated in cases with inadequate existing tip structure for sound reconstruction.

Conclusions:

Alar cartilage grafting is essential for achieving structural soundness and aesthetic appeal in select rhinoplasty cases.
The decision to graft depends on the adequacy of the native alar structure for desired outcomes.