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Growth of Cartilage and Bone Tissue01:27

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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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Updated: Jun 23, 2025

Treatment of Osteochondral Defects in the Rabbit's Knee Joint by Implantation of Allogeneic Mesenchymal Stem Cells in Fibrin Clots
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Condylar Osteochondroma: A Rare Case Report.

Bhranti Shah1, Anil Managutti2, Shailesh Menat3

  • 1Department of Oral & Maxillofacial Surgery, Narsinhbhai Patel Dental College & Hospital, Sankalchand Patel University, 36, Krishnakunj society, Athwalines, Surat India.

Indian Journal of Otolaryngology and Head and Neck Surgery : Official Publication of the Association of Otolaryngologists of India
|June 17, 2024
PubMed
Summary

Osteochondroma (OC) of the mandibular condyle causes facial asymmetry and limited mouth opening. Surgical removal and rehabilitation effectively corrected these symptoms in a case study.

Keywords:
Benign jaw tumorMandibular condyleOsteochondroma

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Area of Science:

  • Oral and Maxillofacial Surgery
  • Orthodontics
  • Radiology

Background:

  • Osteochondroma (OC) is a rare cause of excessive mandibular condyle growth, typically unilateral.
  • It presents as a cartilage-covered bony projection, often leading to facial asymmetry and temporomandibular joint (TMJ) dysfunction.
  • Symptoms include pain, malocclusion, hearing loss, trismus, and limited jaw mobility.

Purpose of the Study:

  • To report a case of mandibular condyle osteochondroma.
  • To describe the clinical presentation, diagnostic imaging, and surgical management.
  • To evaluate the treatment outcomes in terms of functional and aesthetic recovery.

Main Methods:

  • A 40-year-old male patient presented with a 10-year history of reduced mouth opening and facial asymmetry.
  • Diagnostic imaging included Orthopantomogram (OPG) and CT scans, revealing a large mass over the right condyle.
  • Surgical excision was performed using the pre-auricular Alkayat-Bramley technique, followed by occlusal correction and physiotherapy.

Main Results:

  • Pre-operative examination showed gross facial asymmetry, a hard swelling over the right TMJ, jaw deviation, 3mm mouth opening, and malocclusion.
  • Imaging confirmed an irregular radiopaque mass obliterating the sigmoid notch and extending medially.
  • Post-operative follow-up demonstrated correction of facial deviation and achievement of adequate mouth opening.

Conclusions:

  • Mandibular condyle osteochondroma can cause significant facial deformity and functional impairment.
  • Early diagnosis through clinical examination and advanced imaging is crucial.
  • Surgical intervention combined with post-operative rehabilitation offers effective management for this condition.