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Results for “MANDIBULAR CONDYLE”

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At least 721 records · Page 40Linked to original sources
PubMed1979

Matrix formation in the mandibular condyle of the rat (35S) - sulfate incorporation studies.

The matrix formation activity of the mandibular condylar cartilage was investigated using radioactive sulfate incorporation. The condylar cartilage was studied at various developmental stages; as an autotransplant, in situ and on a chemically defined medium. An initial decrease in the cpm/DNA was followed by an increase, until a maximum was attained for all groups, between the 14th and 17th days. Thereafter, the matrix formation activity decreased. There was a surprising likeness in the patterns of activity for all the samples investigated. This tends to support the hypothesis that cartilagenous growth seem to be regulated, at least to some extent by one or more humoral factors.

Abdominal Muscles↗
PubMed1994

The effect of osteotomy and osteosynthesis in the mandibular condyle. A radiologic and histologic study in sheep.

Eighteen oblique osteotomies in sheep mandibular condylar necks were fixed with self-reinforced poly-L-lactide (SR-PLLA) (n = 9) or stainless steel (n = 9) screws (core diameters 2.4, 2.7, 3.0, or 3.5 mm). No intermaxillary fixation (IMF) was applied. The follow-up periods were 6, 12, and 24 weeks, respectively, after which the sheep were killed, and the status of the condylar head was assessed radiographically and histologically. The results showed that the fixation had been adequate. Bony destruction, osteophytes, and flattening of the condylar head, however, were frequently observed in both groups, as compared with the unoperated contralateral condyle. Histologic studies revealed that the thickness of the condylar head cartilage had increased and that the boundaries of the different cell layers were irregular, as was the junction of cartilage and bone. The diameter of the screw did not seem to have any influence on the occurrence of either radiologic or histologic signs of condylar degeneration. These findings indicate that screw fixation of condylar fractures in the mandible without IMF might result in degenerative joint disease.

Animals↗
PubMed2002

A prospective radiological analysis of fragment displacement in fractures of the mandibular condyle: evaluation of 96 consecutive cases.

A prospective radiological study of 96 patients with mandibular condylar neck fractures was undertaken to assess frequency and nature of mandibular condylar displacement. Data collected included age, gender, aetiology, and anatomical site of fracture and direction of displacement. Men aged 20-29 years sustained the majority of condylar fractures. Assault was the major cause of condylar fracture, followed by motor vehicle accidents and sport accidents. No anterior or posterior displacement of the condyle was noted. Medial displacement of the superior fragment was most frequently observed.

Accidents, Traffic↗