MDS PREP
The severe complication of the canine space infection is
1) Erosion of internal carotid artery
2) Erosion of external carotid artery
3) Cavernous sinus thrombosis
4) Respiratory paralysis
Oral Surgery
Answer: 3
The alkayat and Bramley approach to the TMJ is a modification of the
1) Hemicoronal approach
2) Retroauricular approach
3) Preauricular approach
4) Risdon"s incision
Oral Surgery
Answer: 3
Maxillary tori are usually removed by
1) Burs and chisels as indicated to section and remove lobulation
2) Bone forceps to hold torus while it is being sectioned
3) Rongeurs to crush bone
4) All of the above
Oral Surgery
Answer: 1
The following is least toxic of all local anaesthetics
1) Tetracaine
2) Mepivacaine
3) Prilocaine
4) 2-Chloroprocaine
Oral Surgery
Answer: 4
Usually hydrolysis of amide type of local anaesthetic salts is facilitated by
1) Tissue pH above 7.0
2) Tissue pH between 5.0 and 7.0
3) Tissue pH below 5.0
4) None of the above
Oral Surgery
Answer: 1
The following areas are anaesthetized by the anterior palatine nerve block
1) Part of the upper lip, lateral surface of nose and lower eyelid
2) Posterior portion of hard palate and overlying tissues upto the first premolar
3) Incisors canine and first premolar
4) Both hard and sort palates completely
Oral Surgery
Answer: 2
Energy range required to fracture the mandible is in the range of
1) 44.6 - 74.4 kg/m
2) 79.2 - 98.1 kg/m
3) 10.1 - 28.5 kg/m
4) 100.2 - 150.9 kg/m
Oral Surgery
Answer: 1
The energy range required to fracture the mandible is approximately 44.6 - 74.4 kg/m, indicating the force needed for a fracture.
Which is of immediate danger to a patient with severe facial injuries
1) Bleeding
2) Associated fracture spine
3) Infection
4) Respiratory obstruction
Oral Surgery
Answer: 4
The immediate danger to a patient with severe facial injuries is respiratory obstruction, which can compromise airway patency.