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NEETMDS- Oral Surgery mcq
MDS PREP
Surgical needle & sutures are usually sterlized in manufacturing units by 
 1. Gamma radiation
 2. X-rays
 3. Boiling
 4. Dry heat sterilization
Oral Surgery Answer: 1

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

A mandibular second molar is extracted. It is found that the distal root is fractured and the tip is missing. When the dentist attempts to recover it and finds that his instrument will pass downward and into the lingual soft tissue, the tip is most likely to be in the
1) Submental space
2) Sublingual space above the mylohyoid muscle
3) Submandibular space below the mylohyoid muscle
4) Parapharyngeal space
Oral Surgery Answer: 3

Odontoma is treated by
1) Excision
2) Resection
3) Curettage
4) Radiotherapy
Oral Surgery Answer: 1

Unilateral TMJ ankylosis is associated with the following features, except
1) It results from trauma
2) Facial asymmetry with fullness on the normal side of mandible
3) Chin deviated towards the affected side
4) Prominent antegonial notch on the affected side
Oral Surgery Answer: 2

The primary factor resulting in delayed would healing is
1. torn edges of the wound
2. infection
3. excessive bleeding
4. poor nutrition
Oral Surgery Answer: 2

Extraction of distoangular impaction of mandibular 3rd molar can cause
1) Slippage in lingual pouch
2) # of ramus of mandible
3) Excessive haemorrhage
4) Dry socket
Oral Surgery Answer: 2

The following drugs potentiate the action of sedative drugs 
 1. Phenothiazines
 2. Propranolol
 3. Methyldopa
 4. Digitalis
Oral Surgery Answer: 1

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