MDS PREP
In general, hand sharpening of instruments with unmounted stones is preferable to sharpening by motor-driven mounted stones because unmouted stones
1. Have a finer grain
2. Are less likely to alter the bevel
3. Are easier to sterilize
4. Wear away less of the instrument surface
Pedodontics
Answer: 4
Hand sharpening of instruments with unmounted stones is preferable because unmounted stones wear away less of the instrument surface.
Tooth movement easily accomplished by removable appliances
1) Tipping
2) Bodily
3) Torquing
4) Expansion
Orthodontics
Answer: 1
During oral examination of a 57-year-old man, a large keratotic patch that covers the entire palate is noted. Some red spots are also seen in the patch. The patient most likely is a
1) Pipe smoker
2) Cigar smoker
3) Snuff chewer
4) Tobacco chewer
Oral Pathology
Answer: 1
Identify the incorrect statement about periodontal ligament
1) Derives blood supply from lateral walls of alveolar bone socket
2) Has rapid turnover of cells
3) May contain epithelial cells
4) Is wider around non-functional teeth
Periodontics
Answer: 4
Injury to superior laryngeal nerve causes
1) Hoarseness
2) Paralysis of vocal cords
3) No effect
4) Loss of timbre of voice
Oral medicine
Answer: 4
A patient comes with emotional problems, increased salivation, pallor of oral mucosa and a grayish blue discolouration of the gingival. These findings are most consistent with a clinical impression of
1. Cherubism
2. Cretinism
3. Pierre-Robin syndrome
4. Lead poisoning
Oral Pathology
Answer: 4
The findings of emotional problems, increased salivation, pallor, and grayish-blue discoloration of the gingiva are consistent with lead poisoning.