CPT® Code 70336

Magnetic resonance imaging (MRI) of the temporomandibular joint (TMJ) is a specialized imaging procedure that utilizes the principles of magnetic resonance to visualize the internal structures of the TMJ. This noninvasive technique does not involve ionizing radiation, making it a safer alternative for patients requiring detailed imaging of this area. During the MRI process, the patient is positioned on a motorized table that moves into a large cylindrical scanner, which houses a powerful magnet. The magnetic field generated by the MRI machine causes hydrogen atoms, which are abundant in the body, to align in a specific direction. Following this alignment, radiowaves are emitted, prompting the hydrogen atoms to emit signals that are captured and processed by a computer. This results in high-resolution, three-dimensional images that provide critical insights into the condition of the TMJ. MRI is particularly effective in diagnosing various TMJ disorders, including internal derangements, degeneration or displacement of the meniscus, and other related conditions such as effusions, failed implants, vascular necrosis, tendinitis, muscle atrophy, and soft tissue lesions. The detailed images produced by MRI are invaluable for healthcare professionals in assessing and planning appropriate treatment for TMJ-related issues.