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NEETMDS- Periodontics mcq
MDS PREP
The relationship between the working edge of the instrument and the tooth surface is 
 1. Angulation
 2. Access
 3. Adaptation
 4. Activation
Periodontics Answer: 3

The relationship between the working edge of the instrument and the tooth surface is called adaptation.


Psychosomatic factors play an important role in the etiology of
1. acute necrotizing ulcerative gingivitis
2. acute herpetic gingivostomatitis
3. juvenile periodontitis
4. acquired immunodeficiency syndrome

Periodontics Answer: 1

Psychological stressors can contribute significantly to the onset and
exacerbation of acute necrotizing ulcerative gingivitis, which often occurs in
individuals under stress or with compromised immunity.

When electrosurgery is correctly employed to prepare gingival tissues for making impressions, it will 
 1. Permanently alter the contour of gingival tissues
 2. Reduce the gingival height
 3. Remove a thin layer of crevicular gingival tissue
 4. None of the above
Periodontics Answer: 3

When electrosurgery is correctly employed to prepare gingival tissues for making impressions, it removes a thin layer of crevicular gingival tissue.

If prematurity occurs in retruded contact position (RCP or Centric relation) on maxillary premolar, the surface of tooth involved is
1) Mesial of lingual cusp
2) Mesial of facial cusp
3) Distal of facial cusp
4) Distal of lingual cusp
Periodontics Answer: 1

Area to be affected first in gingivitis is
1) Attached gingiva
2) Facial marginal gingiva
3) Lingual marginal gingiva
4) Interdental papilla
Periodontics Answer: 4

"Mirror image" type of bone loss pattern is seen in (or) Arc shaped bone loss around molars is seen in 
 1. Localized juvenile Periodontitis
 2. Rapidly progressive periodontitis
 3. Prepubertal periodontitis
 4. Adult periodontitis
Periodontics Answer: 1

Root commonly removed in maxillary first molar during hemisection or root section is
1) Palatal
2) Distobuccal
3) Mesiobuccal
4) None of the above
Periodontics Answer: 2

Arkansas stone is lubricated with light mineral oil to
1) Prevent heat build up
2) Remove metal particles
3) Prevent it from drying up
4) All the above
Periodontics Answer: 4

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