MDS PREP
A fracture of the mandible in the canine region in a 6-year-old child should be managed by
1. Cap splint fixation
2. Intermaxillary fixation
3. Risdon wiring
4. Transosseous wiring
Oral Surgery
Answer: 1
35% nitrogen oxide with 65% oxygen has
1) Slow induction
2) Slow recovery
3) Potent anaesthetic property
4) Good analgesic property
Oral Surgery
Answer: 4
A 23-years-old female patient complains of decreased mouth opening since 4 days. This could be due to
1) Impacted third molar
2) Oral submucous firbrosis
3) Oropharyngeal fibrosis
4) Bony ankylosis ot TMJ
Oral Surgery
Answer: 1
Which of the following is normal in he mophilia?
1. Bleeding time
2. Coagulation time,
3. Prothrombin time
4. Platelet aggregation
Oral Surgery
Answer: 1
All of the following statements about inhaled tooth fragment are true EXCEPT
1) It usually enters the right bronchus
2) It may cause lung abscess
3) It may cause bronchiectasis
4) It will be coughed out spontaneously, no treatment is necessary
Oral Surgery
Answer: 4
The role of sodium metabsulfite in Local anaesthetic agent is:
1. Preservative.
2. Fungicide.
3. Reducing agent.
4. Vaso constrictior
Oral Surgery
Answer: 2
An infection of which of the following anatomic spaces is most likely to lead to trismus
1. parotid
2. lateral pharyngeal
3. submandibular
4. masticator
Oral Surgery
Answer: 4
A displaced, unfavourable fracture in the mandibular angle region is a potentially difficult fracture to treat because of
1) Injury to neurovascular bundle
2) Malocclusion secondary to injury
3) Disctraction of fracture segments by muscle pull
4) None of the above
Oral Surgery
Answer: 3
A displaced, unfavorable fracture in the mandibular angle region is difficult to treat due to distraction of fracture segments by muscle pull.