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Computed tomography of the normal temporomandibular joint
Author(s) -
GHRISTIANSEN EDWIN L.,
CHAN TERENCE T.,
THOMPSON JOSEPH R.,
HASSO ANTON N.,
HINSHAW DAVID B.,
KOPP SIGVARD
Publication year - 1987
Publication title -
european journal of oral sciences
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.802
H-Index - 93
eISSN - 1600-0722
pISSN - 0909-8836
DOI - 10.1111/j.1600-0722.1987.tb01966.x
Subject(s) - condyle , temporomandibular joint , sagittal plane , medicine , radiography , orthodontics , transverse plane , anatomy , joint (building) , nuclear medicine , surgery , architectural engineering , engineering
– A study was made in two parts, retrospective (I) and prospective (II), on two samples of 36 and 17 individuals, respectively, who had temporal bone CT studies for reasons unrelated to TMJ pain and dysfunction. Groups I and II had no radiographic signs of TMJ disease and Group II had neither radiographic nor clinical signs of TMJ disease. Both groups were considered to have normal joints. Joint morphometrics for the two groups (I/II) were as follows; transverse condylar dimensions were 18.5/18.1 mm. Condylar angulation averaged 24°/25° and intercondylar distance averaged 83/83 mm while extra condylar distance averaged 118/118 mm. The condyle in the sagittal plane showed a smooth and rounded form with anterior‐superior joint space averaging 1.9/1.7 mm while the central‐superior joint space averaged 2.3/2.2 mm. The medial‐horizontal joint space averaged 3.9/3.7 mm. The slope of the central portion of the articular eminence averaged 60°/60° in the sagittal plane.