A horizontal fracture of the maxilla be low the orbits in which the body of the maxilla is separated from the base of the skull above, is classified as
1. Le Fort I fracture
2. Le Fort II fracture
3. Le Fort Ill fracture
4. complex fracture
Oral SurgeryAnswer: 3
Which of the following is the principal action of ammonia is syncope 1) Respiratory stimulant 2) Vagal stimulant 3) Vasomotor stimulant 4) Inhibitor of vasomotor tone
Oral SurgeryAnswer: 1
Anterior palatine nerve is anaesthetized by anterior palatine nerve block. The subjective symptoms include 1) Feeling of numbness in the posterior palate 2) Feeling of numbness in the anterior part of the palate near the incisors 3) Feeling of numbness of whole palate 4) Little or no subjective symptoms
Oral SurgeryAnswer: 1
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
Among the following which is not used in the fixation of bone grafts 1. Bone plates 2. Titanium mesh 3. Gut 4. Tranosseous wires
Oral SurgeryAnswer: 3
Prophylactic removal of unerupted teeth is accomplished with best results at certain stage of tooth development. The best time to remove such a tooth is 1) When two thirds of the root is formed 2) When the root is completely formed 3) Before any of the root is formed 4) None of the above
Oral SurgeryAnswer: 1
Fibrous dysplasia can be treated by 1) Irradiation of the lesion 2) Surgical excision 3) Conservative surgery 4) Removal of the adjacent teeth
Oral SurgeryAnswer: 3
The elevator can be used to advantage when 1) The tooth to be extracted is isolated 2) The interdental bone is used as a fulcrum 3) The adjacent tooth is not to be extracted 4) Multiple adjacent teeth are to be extracted
