32 Questions
What is the composition of the interarticular disk in the TMJ?
Fibrous connective tissue
What is the main advantage of MRI in TMJ diagnostic imaging?
Ability to assess disc form and position
What is the function of ligaments and muscles in the TMJ?
To both restrict and allow movement of the condyle
What is the location of the mandibular fossa?
Inferior aspect of the squamous part of the temporal bone
What is the significance of the cortical borders in TMJ radiography?
They are visible radiographically in healthy joints
What is the morphology of the condyle in the TMJ?
Mediolateral width is more than anteroposterior
What is the imaging modality of choice for documenting osteodegenerative joint disease in the TMJ?
CT
What is a characteristic radiographic finding in the later stages of TMJ disease?
Formation of osteophytes
What is the term used to describe the fragments of osteophytes that break off and lie free within the joint space?
Joint mice
In Rheumatoid Arthritis, what is the characteristic appearance of the condyle due to erosion of the anterior and posterior condylar surfaces?
Sharpened pencil appearance
What is a common symptom of TMJ disease?
Pain directly over the affected condyle
What is the term used to describe the cysts that form in the subchondral bone of the TMJ?
Ely cysts
What is a characteristic radiographic finding in TMJ disease?
Narrowing of the joint space
What is a common feature of Rheumatoid Arthritis affecting the TMJ?
Bilateral involvement
What is the typical age range in which Condylar Hyperplasia is usually discovered?
before the age of 20 years
What is the characteristic shape of the condylar head in Juvenile Arthrosis?
toadstool
What is the characteristic of the condylar neck in Condylar Hypoplasia?
slender
What is the name of the disease that affects children and adolescents during the period of mandibular growth?
Juvenile Arthrosis
What is the name of the disease that is a disorder of articular cartilage and subchondral bone, with secondary inflammation of the synovial membrane?
Osteoarthritis
What is the typical characteristic of the condyle in Condylar Hypoplasia?
normal in shape and structure but diminished in size
What happens to the chin in Condylar Hyperplasia?
it is deviated to the unaffected side
What is the characteristic of the mandibular fossa in Condylar Hypoplasia?
proportionally small
What is the name of the condition in which the condyle is affected by trauma, fracture, or ankylosis?
Trauma
What is the typical characteristic of the coronoid process in Condylar Hypoplasia?
very slender
What is the typical characteristic of the condylar head in Condylar Hyperplasia?
altered in shape or irregular in outline
What type of tissue composes the disk between the condyle and mandibular fossa?
Fibrocartilage
What is the function of the synovial membrane in the TMJ?
To produce synovial fluid
What is unique about the TMJ compared to other joints?
It is the only joint that functions as a single unit
What is the purpose of radiography in the diagnosis of TMJ disorders?
To supplement clinical findings
What is the relationship between the condyle and mandibular fossa?
The condyle articulates with the mandibular fossa
What is the function of the fibrous capsule in the TMJ?
To surround and enclose the joint
What is the importance of understanding the anatomy and morphology of the TMJ?
It is important for understanding TMJ disorders
Test your knowledge of radiographic abnormalities, including condylar hyperplasia, hypoplasia, juvenile arthrosis, and more. Identify the characteristics and symptoms of these conditions. Improve your understanding of dental radiography and its applications.
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