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NEETMDS- Periodontics mcq
MDS PREP
Instrumentation zone in periodontal therapy is 
 1. The portion of the tooth where calculus (or) necrotic cementum is found
 2. CE junction
 3. Exposed root surfaces
 4. Deep periodontal pocket
Periodontics Answer: 1

The instrumentation zone in periodontal therapy is the portion of the tooth where calculus or necrotic cementum is found.


The most important objective in equilibrating the natural dentition is to

1. ensure balance in eccentric movements

2. narrow the occlusal table

3. achieve a more favorable distribution of occiusal forces

4. eliminate open contacts and prevent food impaction


Periodontics Answer: 3


Equilibration aims to distribute occlusal forces evenly across the dentition to
prevent excessive stress on individual teeth, thereby reducing the risk of
mobility, wear, and periodontal issues.


Plasma cell gingivitis is seen in individuals having the habit of chewing which of the following types of flavoured chewing gum? 
 1. Peppermint flavoured
 2. Clove flavoured
 3. Cinnamon flavoured
 4. Banana flavoured
Periodontics Answer: 1

Plasma cell gingivitis is seen in individuals who chew peppermint-flavored chewing gum.

A compound PDL pocket is
1) Spiral type
2) Present on 2 or more surfaces
3) Infrabony in nature
4) All of the above
Periodontics Answer: 2

Drugs associated with gingival changes are
1) Phenytoin, cyclosporine and nifedipine
2) Nifedipine, ibuprofen and lignocaine
3) Cyclosporine, chlorine and iodine
4) None of the above
Periodontics Answer: 1

In which of the following conditions is permanent dentition not affected
1) Papillon-Leferve syndrome and Down"s syndrome
2) Hypophosphatasia and prepubertal periodontitis
3) Prepubertal and juvenile periodontitis
4) All of the above
Periodontics Answer: 2

Type of periodontitis which does not respond to therapy is 
 1. Refractory periodontitis
 2. Juvenile periodontitis
 3. Rapidly progressive periodontitis
 4. Chronic adult periodontitis
Periodontics Answer: 1

If a patient is able to achieve good plaque control he should be given professional prophylaxis at intervals of
1) 3 months
2) 6 months
3) 9 months
4) Not necessary
Periodontics Answer: 4

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