The muscle that aids in displacement of maxillary fractures is are 1. Masseter 2. Temporalis 3. Orbicularis oculi and orbicularis oris 4. None of the above
Oral SurgeryAnswer: 4
It is difficult to obtain local infiltration anaesthesia in the presence of inflammation/infection because of 1) A decreased pH 2) Increased vascularity 3) Oedema 4) Pain
Oral SurgeryAnswer: 1
When a root is accidentally displaced into the maxillary antrum, the dentist should 1) Enlarge the socket to gain access 2) Place a drain into the socket 3) Refer to an experienced surgeon for root removal 4) None of the above
Oral SurgeryAnswer: 3
During the extraction of mandubular third molar it is noted that the distal root is missing. The root tip is most probably in the 1) Submental space 2) Submandibular space 3) Pterygomandibular space 4) Parapharyngeal space
Oral SurgeryAnswer: 2
How much lignocaine is present in 2.0 ml of 2 % lignocaine solution? 1) 40 mg 2) 20 mg 3) 30 mg 4) 2 mg
Oral SurgeryAnswer: 1
"Panda facies" is one of the terms to describe the patients face after mid face trauma. The appearance is due to 1) Gross swelling of the face 2) Oedema & ecchymosis around the eyes 3) Subconjunctival haemorrhage (Bilateral0 4) None of the above
Oral SurgeryAnswer: 1
Pain may be reduced in local anesthetic injections by 1. using a large diameter needle with a sharp tip 2. heating the anesthetic solution to 100°C before injecting 3. pulling tissue over the advancing needle rather than inserting needle into tissue 4. injecting and withdrawing as fast as possible
Oral SurgeryAnswer: 3
Inferior alveolar nerve block is given in 1) Retromolar area 2) Pterygomandibular space 3) Submandibular space 4) Submental space
