Observer performance in assessment of condylar position in temporomandibular joint radiograms. 1985

J Liedberg, and M Rohlin, and P L Westesson

The condylar position at centric occlusion has been considered important in diagnosis of the temporomandibular joint. The present study describes inter- and intra-observer variation in radiographic assessment of condylar position. One radiogram obtained by using an individualized lateral oblique transcranial projection and three corrected sagittal tomograms from the lateral, central, and medial parts of the joint were selected from each of 31 patients. In the resulting 124 radiograms three observers assessed the position of the condyle as posterior, central, or anterior on two occasions, 3 months apart. Concordant reports for all three observers were found in 63%. The interobserver agreement two by two ranged between 69% and 79%, whereas the intraobserver agreement ranged between 81% and 90%. The observer variation and limitations of radiographic techniques should be considered when the therapeutic implication of condylar position is discussed.

UI MeSH Term Description Entries
D008335 Mandibular Condyle The posterior process on the ramus of the mandible composed of two parts: a superior part, the articular portion, and an inferior part, the condylar neck. Condyle, Mandibular,Condyles, Mandibular,Mandibular Condyles
D003768 Dental Occlusion, Centric Contact between opposing teeth during a person's habitual bite. Centric Dental Occlusion,Occlusion, Centric Dental
D003937 Diagnosis, Differential Determination of which one of two or more diseases or conditions a patient is suffering from by systematically comparing and contrasting results of diagnostic measures. Diagnoses, Differential,Differential Diagnoses,Differential Diagnosis
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
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
D013706 Temporomandibular Joint Dysfunction Syndrome A symptom complex consisting of pain, muscle tenderness, clicking in the joint, and limitation or alteration of mandibular movement. The symptoms are subjective and manifested primarily in the masticatory muscles rather than the temporomandibular joint itself. Etiologic factors are uncertain but include occlusal dysharmony and psychophysiologic factors. Myofascial Pain Dysfunction Syndrome, Temporomandibular Joint,TMJ Syndrome,Temporomandibular Joint Syndrome,Costen's Syndrome,Costen Syndrome,Costens Syndrome,Joint Syndrome, Temporomandibular,Syndrome, Costen's,Syndrome, TMJ,Syndrome, Temporomandibular Joint
D014056 Tomography, X-Ray Tomography using x-ray transmission. Tomography, Transmission,X-Ray Tomography,Zonography,Radiographic Tomography,Tomography, Radiographic,Tomography, X Ray,Tomography, Xray,Transmission Tomography,X Ray Tomography,Xray Tomography

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