Temporomandibular joint: variation of normal arthrographic anatomy. 1990

P L Westesson, and L Eriksson, and K Kurita
Department of Oral Radiology, University of Lund School of Dentistry, Malmö, Sweden.

The arthrograms of 34 individuals with asymptomatic, clinically and arthrographically normal temporomandibular joints were analyzed. The results showed a substantial variation of the dimensions and configuration of the joint compartments. Thus the anterior recess of the lower joint compartment was small in 15 joints (44%), medium-size in 16 joints (47%), and large in three joints (9%). The upper margin of this recess was flat or convex in 24 joints (71%) and concave in 10 joints (29%). These observations contradict previous assumptions about a strict association between the configuration and dimension of the anterior recess of the lower joint compartment and the position of the disk. It was concluded that dimension and configuration of the joint compartments should not be used as the only criteria for diagnosis of the position of the disk.

UI MeSH Term Description Entries
D008297 Male Males
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D012016 Reference Values The range or frequency distribution of a measurement in a population (of organisms, organs or things) that has not been selected for the presence of disease or abnormality. Normal Range,Normal Values,Reference Ranges,Normal Ranges,Normal Value,Range, Normal,Range, Reference,Ranges, Normal,Ranges, Reference,Reference Range,Reference Value,Value, Normal,Value, Reference,Values, Normal,Values, Reference
D002648 Child A person 6 to 12 years of age. An individual 2 to 5 years old is CHILD, PRESCHOOL. Children
D005260 Female Females
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000293 Adolescent A person 13 to 18 years of age. Adolescence,Youth,Adolescents,Adolescents, Female,Adolescents, Male,Teenagers,Teens,Adolescent, Female,Adolescent, Male,Female Adolescent,Female Adolescents,Male Adolescent,Male Adolescents,Teen,Teenager,Youths
D000328 Adult A person having attained full growth or maturity. Adults are of 19 through 44 years of age. For a person between 19 and 24 years of age, YOUNG ADULT is available. Adults
D001175 Arthrography Roentgenography of a joint, usually after injection of either positive or negative contrast medium. Arthrographies
D013704 Temporomandibular Joint An articulation between the condyle of the mandible and the articular tubercle of the temporal bone. TMJ,Joint, Temporomandibular,Joints, Temporomandibular,Temporomandibular Joints

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