Abstract
ABSTRACT: The aim of the study was to investigate the condylar position within the articular cavity in patients with temporomandibular disorders with signs and symptoms of functional articular disorders through images made with cone beam computed tomography (CBCT) on the sagittal plane. Methods: CBCT temporomandibular joints images of 62 patients (13 men and 49 women, average age, 39.7 years) with signs and symptoms intra-articular diagnosed by the Craniomandibular index were analyzed using the measurement method recommended by Kawamura and Ikeda (2009). We obtained the linear measures of posterior space (PS), superior space (SS), and the anterior space (AS) to determine the condyle position for each joint. Results: The average of the measurements of PS, SS, were respectively 1.9 mm (DP 0.5), 3.1 mm (DP 0.9), and 2.0 mm (DP 1.0). Conclusion: This study found that the subjects with intra-articular TMD when compared with the excellent condylar relationship established by Ikeda and Kawamura (2009) presented a more posterior and inferior condylar position.
Highlights
Currently, TMD has been characterized by the report as a sign or a combination of signs and symptoms that may be characterized by the following evaluation instruments: Helkimo Index, Craniomandibular Index and RDC/TMD [3,4]
A fundamental question regarding the use of images for temporomandibular joint (TMJ) evaluation is which would be the ideal condyle position in the articular cavity when the teeth are at maximum habitual intercuspation
The aim of this study was to evaluate the condyle position within the articular cavity in subjects with Temporomandibular Disorders who had signs and symptoms of functional joint problems through images performed with cone beam computed tomography (CBCT) at sagittal plane, using the same methodology to measure the articular space proposed by Ikeda and Kawamura in 2009 [6]
Summary
TMD has been characterized by the report as a sign or a combination of signs and symptoms that may be characterized by the following evaluation instruments: Helkimo Index, Craniomandibular Index and RDC/TMD [3,4]. Cone Beam Computed Tomography (CBCT) has been used for obtaining tridimensional (3D) image of the temporomandibular joint (TMJ) and has been shown to outline the articular structures with high precision [6].
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