MDS PREP
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
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
X-rays were discovered in
1. Nov 1897
2. Oct 1985
3. Nov 1895
4. Nov 1890