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NEETMDS- Periodontics mcq
MDS PREP
Water irrigating device are most useful in
1) Removing plaque
2) Preventing plaque formation
3) Diluting bacterial products
4) Reducing PD pocket
Periodontics Answer: 3

Isolated recession on a single tooth may be commonly seen in
1) Labially prominent canines
2) Vigorous tooth brushing
3) Occlusal trauma
4) All of the above
Periodontics Answer: 1

Breakdown of periodontal fibres in periodontitis is due to bacterial enzyme
1) Collagenase
2) Hyaluronidase
3) Coagulase
4) None of the above
Periodontics Answer: 1

Main aim of restoration of carious lesion in phase-I therapy
1) To restore function of tooth
2) To restore form of tooth
3) To reduce microbial source
4) All of the above
Periodontics Answer: 3

Most effective way to remove tenacious ledge of subgingival calculus is to 
 1. Remove it in sections
 2. Remove it layer by layer
 3. Remove entire mass in one stroke
 4. Use a file to remove it
Periodontics Answer: 1

Halitosis is primarily because of
1) Hydrogen sulfide
2) Alkaline phosphates
3) Trypsine-like enzymes
4) Collagenase enzymes
Periodontics Answer: 1

Which of the following is a common osseous lesion in periodontitis
1) Exostosis
2) Crater
3) Buttressing bone
4) Hemiseptum
Periodontics Answer: 2

Which surface of tooth has most of plaque?
1) Gingival third of tooth surface
2) Incisal one-third of tooth surface
3) Middle-third tooth surface
4) Uniform on all surfaces
Periodontics Answer: 1

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