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[Clinical, radiological and axiographic examination after conservative functional treatment of intracapsular temporomandibular joint fractures].

AbstractPURPOSE:
The different lines of intracapsular fractures of the mandibular condyle were studied and their influence on the prognosis following close treatment was evaluated.
METHODS:
In 40 patients with 50 intracapsular fractures of the mandibular condyle the following evaluation was carried out after close treatment: clinical, radiological and axiographical follow-up. The examinations were performed between 0.5-5 years following treatment. Three types of intracapsular fractures were distinguished. Type A = fractures through the medial condylar pole, type B = fractures through the lateral condylar pole with loss of vertical height of mandibular ramus, type M = multiple fragments, comminuted fractures.
RESULTS:
Moderate to serious dysfunction was observed in 33% of the cases. Radiological examination of fracture types B and M revealed a reduction in the height of the mandibular ramus by up to 13% as compared to the contralateral side. Also with regard to deformation of the condylar head these two fracture types resulted in the most prominent pathological findings. Axiography revealed irregular excursions and a clear limitation of condylar movement in comminuted fractures by up to 74% as compared to the non-fractured side.
CONCLUSION:
The findings emphasize the severity of lesions to the osseo-disko-ligamentous complex of the TMJ caused by intracapsular fractures of the mandibular condyle. The poor functional and radiological results encountered in the fracture types B and M demonstrated the limits of conservative functional treatment. With regard to fracture type B it may be discussed whether surgical therapy would improve the results.
AuthorsM Hlawitschka, U Eckelt
JournalMund-, Kiefer- und Gesichtschirurgie : MKG (Mund Kiefer Gesichtschir) Vol. 6 Issue 4 Pg. 241-8 (Jul 2002) ISSN: 1432-9417 [Print] Germany
Vernacular TitleKlinische, radiologische und axiographische Untersuchung nach konservativ funktioneller Behandlung diakapitulärer Kiefergelenkfrakturen.
PMID12242933 (Publication Type: English Abstract, Journal Article)
Topics
  • Adolescent
  • Adult
  • Aged
  • Aged, 80 and over
  • Female
  • Follow-Up Studies
  • Fracture Healing (physiology)
  • Humans
  • Immobilization
  • Jaw Relation Record
  • Male
  • Mandibular Condyle (injuries, pathology)
  • Mandibular Fractures (diagnosis, therapy)
  • Middle Aged
  • Temporomandibular Joint (injuries, pathology)
  • Tomography, X-Ray Computed

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