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Clinical ScienceNormal TMJ Bony Relationships in Centric Occlusion
Donald D. Blaschke
Section of Oral Radiology, UCLA School of Dentistry, Los Angeles, California 90024
Thomas J. Blaschke
The Rand Corporation, Santa Monica, California 90406
In a preliminary investigation, condyle-temporal bone spatial relationships were determined quantitatively in 50 asymptomatic TMJs (25 subjects) by making area measurements of the posterior and anterior portions of the joint spaces. For both right and left sides, the numerical expression of the joint relationship indicated that the condyle is normally centered in the joint to a very high degree. Standard deviations around the mean joint relationship values were large, however, which suggests that the posteroanterior variation of condyle positions in asymptomatic TMJs is greater than commonly thought. In addition, there was only mild correlation between individual joint relationships on right and left sides.
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Journal of Dental Research, Vol. 60, No. 2,
98-104 (1981)
DOI: 10.1177/00220345810600021901
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