DENTAL MCQ

General Oral Surgery Knowledge Quiz

1) Zyagomatic arch fractures can be nicely demonstrated by which radiographic view?

a) water's view.
b) lateral skull view.
c) posteroanterior view.
d) submental vertex view.

2) Which of the following is the most common pathognomic sign of a mandibular fracture?

a) Nasal bleeding.
b) Exophthalmos.
c) Malocclusion.
d) numbness in the infraorbital nerve distribution.

3) In patient who have a lefort II fracture, a common finding is paresthesia over distribution of the:

a) Infraorbital nerve.
b) Inferior alveolar nerve.
c) Mylohyiod nerve.
d) Hypoglossal nerve.

4) The most sever tissue reaction is seen with which type of suture material?

a) Plain catgut.
b) Chromic catgut.
c) Polyglycolic acid.
d) Polyglactin 910.

5) Which of the following is the main reason to use water irrigation when cutting bone?

a) It helps to wash away debris.
b) Because heat generated by the drill affects bone vitality.
c) To decrease the smell of freshy cut bone.
d) It helps to flush out the highspeed suction hose.

6) Which scalpel below is universally used for oral surgical procedures?:

a) No. 2 blade.
b) No. 6 blade.
c) No. 10 blade.
d) No. 15 blade.

7) Which of the following are local contraindications for tooth extractions?

a) ANUG.
b) Irradiated jaws.
c) Malignant disease.
d) All of the above.

8) Which of the following is the primary direction of luxation for extracting maxillary decidious molars?

a) Buccal.
b) Palatal.
c) Mesial.
d) Distal.

9) Dead space in a wound usually fills with:

a) Pus.
b) Water.
c) Blood.
d) Tissue.

10) The ideal time to remove impacted third molars is:

a) When the root is fully formed.
b) When the root is approximately two-third formed.
c) Makes no difference how much of the root is formed.
d) When the root is approximately one-third formed.

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