MDS PREP
Radiographic finding of generalised widening of periodontal ligament with "button hole" mouth is found in
1) Osteosarcoma
2) Scleroderma
3) Apical scar
4) Solar elastosis
Radiology
Answer: 2
X-rays were discovered in
1) Nov 1897
2) Oct 1985
3) Nov 1895
4) Nov 1890
Radiology
Answer: 3
Reflecting layer used in intensifying screens
1) Calcium tungstate
2) Titanium oxide & magnesium carbonate
3) Gaddinium oxysulphide
4) Lanthanum oxybromide
Radiology
Answer: 2
Name the lesions which is not a radiolucent lesion of the jaws:
1. Ameloblastoma
2. Cherubism
3. Focal periapical osteopetrosis
4. Odontogenic cyst
Radiology
Answer: 3
Complication of irradiation of mouth may include all EXCEPT
1) Accelerated caries activity
2) Caries in unusual sites
3) Accelerated periodontal diseases
4) Xerostomia
Radiology
Answer: 3
In bitewing radiographs, occlusal pit caries of enamel appears as a
1) Circular radiolucent area
2) Triangular radiolucent area with its base towards the dentino enamel junction
3) Vertical radiolucent line
4) None of the above
Radiology
Answer: 2
All of the following are radiolucent except
1) Silicate restorations
2) Conventional composites
3) Zinc oxide eugenol
4) Porcelian restorations
Radiology
Answer: 3
...............is not a property of X-rays
1. Ionization
2. Action on photographic film
3. Excitation
4. Collimation