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NEETMDS- Oral Surgery mcq
MDS PREP
Of the following which facial bone is most frequently fractured
1) Mandible
2) Maxilla
3) Nasal
4) Zygomatic
Oral Surgery Answer: 3

The most frequently fractured facial bone is the nasal bone, due to its prominence and exposure to trauma.

An orontral communication during extraction 
 1. Requires no treatment immediately
 2. Immediate prolapse of antral lining occurs into mouth
 3. Reflux of fluids into the nasal cavity while drinking can be demonstrated
 4. Must be closed surgically immediately
Oral Surgery Answer: 4

For a patient undergoing anticoagulant therapy, who requires unavoidable dental surgical treatment, the dental surgeon should 
 1. Not take up the patient till the therapy is over
 2. Bring down the dosage and proceed further
 3. Adjust the dosage before and after dental visit
 4. Cosult the physician of the patient for joint decision
Oral Surgery Answer: 4

Which of them is not rigid osteosynthetic fixation 
1. Osteosynthesis
2. Microplating
3. Screw plating
4. Wiring

Oral Surgery Answer: 4

Which of the following anatomical spaces may become involved by direct extension of an infection from a lower
third molar?
1. Submandibular space
2. Space above the mylohyoid muscle
3. Pterygomandibular space
4. All of the above
Oral Surgery Answer: 4

Trismus associated with infection of lateral pharyngeal space is related to irritation of the
1) Buccinator
2) Masseter
3) Lateral pterygoid
4) Medial pterygoid
Oral Surgery Answer: 4

The following mandibular teeth can be removed without pain after the inferior alveolar and lingual nerve block
1) All molars and second premolars
2) First molar and premolars
3) Canine and first premolar
4) All teeth in that quadrant
Oral Surgery Answer: 3

During the extraction of maxillary first molar, the palatel root tip of molar slipped into the maxillary sinus. Proper way to approach to recovery is through the
1) Same socket by enlarging the opening through which the root entered the sinus
2) Maxillary incisive fossa
3) Maxillary incisive fossa medial to canine
4) None of the above
Oral Surgery Answer: 2

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