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Prevalence of temporomandibular joint disk displacement in infants and young children.

Author information

1
Department of Oral and Maxillofacial Radiology, UmeƄ University, Sweden.

Abstract

OBJECTIVE:

The purpose of this study was to determine the prevalence of temporomandibular joint disk displacement in infants and young children.

STUDY DESIGN:

Magnetic resonance images were obtained of the temporomandibular joints in 30 infants and young children ranging in age from 2 months to 5 years (median age, 3 years; mean age, 2.5 years).

RESULTS:

All joints had normal superior disk position. The computed 95% confidence interval was 0.00-0.06, which implies a minimal probability that disk displacement would occur in this age group.

CONCLUSIONS:

The result contradicts previous suggestions that temporomandibular joint disk displacement could represent a congenital normal anatomic variant.

PMID:
9927074
[Indexed for MEDLINE]

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