Article

Comparison of 2 temporomandibular joint total joint prosthesis systems.

Journal of Oral and Maxillofacial Surgery (Impact Factor: 1.33). 03/2004; 62(2):262-4; author reply 264-9.
Source: PubMed
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    ABSTRACT: The variety of temporomandibular joint (TMJ) prostheses and condylar reconstruction plates available is in contradiction to their rare application. This emphasizes that alloplastic TMJ reconstruction is still evolving. This article reviews the history of TMJ reconstruction. Medline as well as public and private libraries have been searched. Current systems are reviewed. Prosthetic devices can be differentiated into fossa-eminence prostheses, ramus prostheses and condylar reconstruction plates, and total joint prostheses. Fossa and total joint prostheses are recommended when the glenoid fossa is exposed due to excessive stress (degenerative disorders, arthritis, ankylosis, multiply operated pain patients). Singular replacement of the condyle is preferred as a temporary solution in ablative surgery. The use of prosthetic devices for long-term replacement should be restricted to selected cases, taking care to retain the disk, in order to prevent penetration into the middle cranial fossa. The term 'condylar reconstruction plate' reflects this more clearly than 'ramus prosthesis' which suggests permanent reconstruction. Long-term studies comparing the functional and aesthetic results of the various prostheses and condylar reconstruction plates are not available, which leaves the choice to personal experience.
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    ABSTRACT: The purpose of this study was to evaluate the functional outcomes in patients affected by bilateral temporomandibular joint (TMJ) ankylosis treated with TMJ total alloplastic reconstruction with stock prosthesis. As a matter of fact, ankylosis of the TMJ may produce the narrowing of the oropharyngeal airway space resulting in the obstructive sleep apnea syndrome, a pathological condition characterized by repetitive upper airway obstructions during sleep, resulting in arousal from sleep, sleep fragmentation, arterial oxygen desaturation. and daytime hypersomnolence.Clinical results demonstrate that total TMJ reconstruction with prosthesis is the surgical modality of choice to obtain the counterclockwise rotation and the advancement of the maxillomandibular complex, which significantly increase the volume of the oropharyngeal airway space in this kind of patients.
    The Journal of craniofacial surgery 03/2013; 24(2):e139-41. · 0.81 Impact Factor
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