MDS PREP
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.
Horizontal unfavourable or favourable fractures of mandible can be viewed best in
1. Lateral oblique 30 degrees
2. Lateral oblique 15 degrees
3. PA view of mandible
4. Submentovertex view
Radiology
Answer: 1
Horizontal unfavourable or favourable fractures of the mandible can be viewed best in lateral oblique 30 degrees.
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.
The bisecting angle technique is used to take
1. Bitewing radiographs
2. Periapical radiographs
3. True occlusal radiographs of the mandible
4. None of the above
Radiology
Answer: 2
The bisecting angle technique is used to take periapical radiographs.
To localize a supernumerary or an impacted tooth and determine its exact relationship to the other teeth, which of the following radiographs would be most effective?
1. A periapical and an occlusal view
2. An occlusal view using a high angle
3. A panoramic radiograph
4. Two or more periapical views at different angles and an occlusal view
Radiology
Answer: 4
To localize a supernumerary or an impacted tooth and determine its exact relationship to the other teeth, the most effective radiographs would be two or more periapical views at different angles and an occlusal view.
Loss of lamina dura and ground glass appearance indicates
1. Paget"s disease
2. Fibrous dysplasia
3. Caffey"s disease
4. Osteomalacia
Loss of lamina dura and ground glass appearance indicates fibrous dysplasia.
Injecting radiopaque dye into the joint space to visualize the joint is referred to as
1. Arthroscopy
2. Arthrography
3. Orthropantomography
4. Arthroplasty
Radiology
Answer: 2
Injecting radiopaque dye into the joint space to visualize the joint is referred to as arthrography.
Fogging on the radiographs is the result of
1. Increase in humidity
2. Scattered radiation
3. Overdevelopment
4. All of the above
Radiology
Answer: 4
Fogging on the radiographs is the result of all of the above: increase in humidity, scattered radiation, overdevelopment.