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Related Concept Videos

Structural Joints: Fibrous Joints01:03

Structural Joints: Fibrous Joints

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Fibrous joints are a type of joint where the bones are connected by fibrous connective tissue. These joints provide stability and minimal to no movement between the articulating bones. There are three types of fibrous joints.
Suture
All the bones of the skull, except for the mandible, are joined to each other by a fibrous joint called a suture. The fibrous connective tissue found at a suture strongly unites the adjacent skull bones and thus helps to protect the brain and form the face. In...
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Ankle Joint01:10

Ankle Joint

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The ankle is formed by the talocrural joint (crural = leg). It consists of the articulations between the talus bone of the foot and the distal ends of the tibia and fibula of the leg. The superior aspect of the talus bone is square-shaped and has three areas of articulation. The top of the talus articulates with the inferior tibia. This is the portion of the ankle joint that carries the body weight between the leg and foot. The sides of the talus are firmly held in position by the articulations...
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Functional Classification of Joints01:09

Functional Classification of Joints

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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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Articulations of the Vertebral Column01:28

Articulations of the Vertebral Column

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In addition to being held together by the intervertebral discs, adjacent vertebrae also articulate with each other at synovial joints formed between the superior and inferior articular processes called zygapophysial joints (facet joints). These are plane joints that provide for only limited motions between the vertebrae. The orientation of the articular processes at these joints varies in different regions of the vertebral column and serves to determine the types of motions available in each...
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Structural Joints: Cartilaginous Joints01:17

Structural Joints: Cartilaginous Joints

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As the name indicates, at a cartilaginous joint, the adjacent bones are united by cartilage, a tough but flexible type of connective tissue. Unlike synovial joints, these types of joints lack a joint cavity and involve bones joined together by either hyaline cartilage or fibrocartilage.
There are two types of cartilaginous joints:
Synchondrosis
A synchondrosis ("joined by cartilage") is a cartilaginous joint where bones are connected by hyaline cartilage. Synchondrosis may be temporary...
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Structural Joints: Synovial Joints01:16

Structural Joints: Synovial Joints

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Synovial joints are the most common type of joint in the body. A key structural characteristic for a synovial joint is the presence of a joint cavity. This fluid-filled space is where the articulating surfaces of the bones contact each other. Also, unlike fibrous or cartilaginous joints, the articulating bone surfaces at a synovial joint are not directly connected to each other with fibrous connective tissue or cartilage. This gives the bones of a synovial joint the ability to move smoothly...
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Bone characteristics in condylar hyperplasia of the temporomandibular joint: a microcomputed tomography, histology, and Raman microspectrometry study.

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Temporomandibular Joint Pain Measurement by Bite Force and Von Frey Filament Assays in Mice
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Temporomandibular Joint Pain Measurement by Bite Force and Von Frey Filament Assays in Mice

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[Temporo-mandibular ankylosis].

H Bénateau1, A Chatellier2, A Caillot3

  • 1Service de chirurgie maxillofaciale et plastique, centre hospitalier universitaire de Caen, avenue de la Côte-de-Nacre, 14000 Caen, France; Laboratoire EA 4652 microenvironnement cellulaire et pathologies, équipe BioconnecT, université de Caen Basse-Normandie, esplanade de la Paix, 14032 Caen cedex 5, France; Faculté de médecine de Caen, université de Caen Basse-Normandie, 2, rue des Rochambelles, 14032 Caen cedex 5, France.

Revue De Stomatologie, De Chirurgie Maxillo-Faciale Et De Chirurgie Orale
|August 3, 2016
PubMed
Summary
This summary is machine-generated.

Temporomandibular joint (TMJ) ankylosis, a fusion of the jaw, causes significant complications. Effective surgical treatment and crucial postoperative rehabilitation are key to preventing recurrence.

Keywords:
Ankylose temporo-mandibulaireCondyle mandibulaireMandibular condyleReeducationRééducationTemporo-mandibular ankylosis

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Area of Science:

  • Oral and Maxillofacial Surgery
  • Orthodontics
  • Reconstructive Surgery

Background:

  • Temporomandibular joint (TMJ) ankylosis is defined by limited jaw opening (<30mm) due to bony, fibrous, or fibro-osseous fusion.
  • Complications include impaired speech, chewing, swallowing, and oral hygiene.
  • While incidence is decreasing globally, it remains a concern in developing nations, often stemming from post-traumatic condylar fractures in developed countries.

Purpose of the Study:

  • To define temporomandibular joint (TMJ) ankylosis and its associated complications.
  • To outline the primary etiologies, including trauma, infection, inflammation, and congenital conditions.
  • To detail current surgical management strategies and emphasize the importance of postoperative rehabilitation.

Main Methods:

  • Surgical resection of the ankylosis block combined with bilateral coronoidectomy.
  • Reconstructive options include temporal fascia flaps, costochondral grafts, or TMJ prostheses based on defect size and occlusal impact.
  • Early, intense, and prolonged postoperative rehabilitation protocols.

Main Results:

  • Surgical intervention aims to restore jaw mobility and function.
  • The choice of reconstructive material depends on the extent of bone loss and dental occlusion.
  • Adequate rehabilitation is identified as the primary factor in preventing ankylosis recurrence.

Conclusions:

  • Temporomandibular joint (TMJ) ankylosis necessitates surgical intervention for functional restoration.
  • Successful outcomes are contingent upon appropriate surgical techniques and reconstructive methods.
  • Aggressive and sustained postoperative rehabilitation is paramount to achieving long-term success and avoiding recurrence.