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NEETMDS- mcq
MDS PREP
Which of the following statements is false
1) "Unsafe" dark room lights cause fogging of films
2) Alveolar resorption is easily recognized on X-ray
3) Decreasing focal skin distance increases radiation safety factor
4) None of the above
Radiology Answer: 3

Speech retardation may be considered if the child does not talk by
1) 12 months
2) 18 months
3) 24 months
4) 36 months
Pedodontics Answer: 4

The elastomeric impression material commonly supplied as a base paste & a liquid catalyst is :



1) Polysulfide

2) Condensation silicone

3) Addition silicone

4) Polyether


Dental Materials Answer: 2

The condensation silicone impression materials are supplied as a base paste and a low-viscosity liquid catalyst (or a paste catalyst).
Putty is a high-viscosity material that has been developed in order to overcome the large polymerization shrinkage of the condensation silicone impression materials.
All the other impression materials are generally supplied as catalyst paste & base paste.

Primary difference between gingivitis and periodontitis is
1) Depth or pocket
2) Colour changes
3) Loss of attachment epithelium
4) All of the above
Periodontics Answer: 3

Best results are obtained in oral submucous fibrosis by  
 1. Intralesional cortisone therapy, with hyaluronic acid
 2. Oral cortisone with intralesional therapy
 3. Vitamine E and oral cortisone
 4. Intralesional placental extract
Oral Pathology Answer: 1

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

A benign neoplasm that commonly appears as non painful, slowly enlarging, submucosal lump and has overlying epithelium that often exhibits pseudoepitheliomatous hyperplasia is
1) Fibroma
2) Papilloma
3) Neurofibroma
4) Granular cell tumour
Oral Pathology Answer: 4

Boss method is often recommended for tooth brushing because
1) It is quicker to learn
2) Removes plaque most effectively on tooth surface
3) Provides gingival stimulation and cleans plaque in sulcular area
4) It is easily to masterise
Community Dentistry Answer: 3

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