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NEETMDS- Oral Surgery mcq
MDS PREP
A patient complaining of trismus and difficulty in swallowing extra oral clinically no swelling with an anterior bulging of half the soft palate and the anterior tonsillar pillar with deviation of uvula to the unaffected side is suffering from
1) Submassetric space infection
2) Parapharyngeal space infection
3) Pterygomandibular space infection
4) Peritonsillar infection
Oral Surgery Answer: 3

Infection from maxillary first molar drains into
1) Submandibular space
2) Infratemporal space
3) Buccal space
4) Infraorbital space
Oral Surgery Answer: 3

Pain is the outstanding clinical characteristic of
1. a myxoma
2. a torus palatinus
3. a chondromyxoid fibroma
4. an osteoma
Oral Surgery Answer: 3

Among the following which is most frequent complication of subapical orthodontic surgery 
 1. Nonunion of segments
 2. Devitalization of teeth
 3. Avulsion effect
 4. Vertical fracture of the roots
Oral Surgery Answer: 2

All are fractures of mandibular fracture except
1) Malocclusion
2) Paraesthesia of lower lip
3) Fractured end are prevented from dislocation by masticatory muscles
4) Are usually compound
Oral Surgery Answer: 3

Fractures of the mandible are usually characterized by sublingual hematoma, which indicates bleeding in the area.

Which of the following is not a feature of Le Fort II fracture
1) Enophthalmos
2) Malocclusion
3) Paraesthesia
4) CSF rhinorrhoea
Oral Surgery Answer: 1

Incision & drainage (I & D) in an area of acute infection should be performed when
1) Induration has occured
2) Localization has occurred
3) Acute pain is present
4) None of the above
Oral Surgery Answer: 2

Which of the following symptoms is seen in a patient administered with 20-40 % nitrous oxide
1) Paraesthesia
2) Floating sensation
3) Sweating
4) None of the above
Oral Surgery Answer: 2

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