Publication date: Available online 23 August 2016
Source:Revue de Stomatologie, de Chirurgie Maxillo-faciale et de Chirurgie Orale
Author(s): J. Ferri, G. Raoul, J. Potier, R. Nicot
Le condyle mandibulaire est une structure particulière. Son embryologie, sa physiologie, confèrent à l'ATM un comportement particulier qui explique la survenue de pathologies spécifiques. L'hypercondylie est l'une de ces pathologies. Elle s'explique par une dérégulation des cellules préchondroblastiques de la coiffe cartilagineuse, aboutissant à une augmentation volumique de l'unité condylienne puis de la branche montante et finalement de toute l'hémiface atteinte. La déformation de la mandibule est basale avec des conséquences dento-alvéolaires de rattrapage. Bien que le traitement soit controversé, la condylectomie est réalisée par beaucoup de praticiens. L'intervention permet de stopper l'évolution de la maladie et de rattraper certaines compensations dento-alvéolaires. Dans certains cas, une chirurgie orthognathique complémentaire sera nécessaire.The mandibular condyle is a special structure. Its embryology and physiology provide to the TMJ a particular behavior that explains the occurrence of specific diseases. Condyle hyperplasia is one of these disorders. It can be explained by a dysregulation of the prechondroblasts cells layer within the cartilage cap providing an increase of the condyle volume then of the ramus and eventually of the affected face. Mandible deformation affected the basal bone with dento-alveolar deformations related to compensations attempts. Despite controversial treatments, condylectomy is performed by many surgeons. The surgery stops the disease evolution and provides a retroactive action on the dento-alveolar deformities. In some patients, a traditional orthognathic surgery will be required to achieve a perfect result.
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Τρίτη 23 Αυγούστου 2016
Articulation temporomandibulaire (ATM) : hypercondylie et condylectomie
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