MDS PREP
The scientist who discovered that caries was the most common cause of extraction of teeth was
1. Allen
2. Smith
3. Hotz
4. Rush
Radiology
Answer: 1
The scientist who discovered that caries was the most common cause of extraction of teeth was Allen.
Symmetrical widening of periodontal ligament space of one or more teeth is the earliest radiological appearance of
1. Osteosarcoma
2. Multiple myeloma
3. Fibrous dysplasia
4. Paget"s disease
Radiology
Answer: 1
Symmetrical widening of the periodontal ligament space of one or more teeth is the earliest radiological appearance of osteosarcoma.
Medially displaced condylar neck fracture is best visulised in
1. PA view
2. Lateral oblique view
3. Occipitomental view
4. Submentovertex
Radiology
Answer: 1
Medially displaced condylar neck fracture is best visualized in PA view.
Green film after processing is due to
1. Film placed in fixer solution first
2. High temperature difference of solution
3. Film emulsion not in contact with processing solution
4. Presence of rare earth elements in film
Green film after processing is due to the film emulsion not being in contact with the processing solution.
Salt and pepper appearance in MRI of salivary gland is suggestive of
1. Sjogren syndrome
2. Thalassaemia
3. Mumps
4. Salivary gland tumour
Radiology
Answer: 1
Salt and pepper appearance in MRI of the salivary gland is suggestive of Sjogren syndrome.
Best X-ray for mesiodens is
1. Occlusal
2. PA view
3. Panorex
4. Bitewing
Radiology
Answer: 1
The best X-ray for mesiodens is occlusal.
Asymptomatic mixed radiopaque and radiolucent lesions found at the lower incisor region of a middle aged women may be
1. Periapical cysts
2. Cementoblastoma
3. Cementoma
4. Odontogenic cysts
Radiology
Answer: 3
Asymptomatic mixed radiopaque and radiolucent lesions found at the lower incisor region of a middle-aged woman may be cementoma.