MDS PREP
Minimal dentinal destruction to get evident on the radiograph
1) 30 microns
2) 40 microns
3) 200 microns
4) 300 microns
Radiology
Answer: 2
Radiographic detection of carious lesions or dentinal destruction typically requires a certain threshold of loss of tooth structure. Studies have shown that a loss of approximately 40 microns of dentin is necessary for a radiograph to show evidence of carious lesions.
Interproximal caries is best detected by
1. Bitewing radiography
2. Periapical
3. Occlusal
4. None of the above
Interproximal caries is best detected by bitewing radiography.
In bone scintigraphy all is guessed except
1. Avascular necrosis
2. Fractures
3. Osteomyelitis
4. None
Radiology
Answer: 4
In bone scintigraphy, all is guessed except none.
In which TMJ view central X-ray passes through sigmoid notch
1. Infracranial
2. Frontal view
3. Transcranial
4. Transorbital
Radiology
Answer: 1
In the TMJ view, the central X-ray passes through the sigmoid notch in the infracranial view.
The sialographic appearance of a normal salivary gland is
1. Branching with bloom
2. Branching with leaves
3. Branchless with fruit-laden
4. Branchless with leaves
Radiology
Answer: 1
The sialographic appearance of a normal salivary gland is branching with bloom.
Zonography is a type of
1. CT scan
2. Radionuclide imaging
3. Panoramography
4. MRT
Radiology
Answer: 3
Zonography is a type of panoramography.
The best radiographic view for TMJ is
1. Lateral oblique
2. PA view
3. Waters view
4. OPG
Radiology
Answer: 4
The best radiographic view for TMJ is OPG.
Edge enhancement effect is seen with
1. Xeroradiography
2. Scintigraphy
3. Stereoscopy
4. None of the above
Radiology
Answer: 1
Edge enhancement effect is seen with xeroradiography.