Third Molar Impaction Extraction

# If impacted 3rd molar is to be extracted in patient planned for bilateral sagittal split osteotomy then extraction should be done:
a) 8-12 weeks after surgery
b) At the time of surgery
c) 1 month after surgery
d) 6 month before surgery

The correct answer is D. 6 months before surgery.

The poor split occurs more in cases where the last molar is removed at the time of surgery. Hence it is advised to have the last molar (if needed) to be removed about 6 months prior to surgery.

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Ecchymosis and Hematoma Treatment

# Ecchymosis and hematoma are treated with:
a) Intermittent ice pack
b) Continuous ice pack
c) Intermittent hot pack
d) Pressure and pack

The correct answer is: A. Intermittent ice pack

Management of ecchymosis consists of the immediate application of cold followed by heat. In severe cases, antibiotics are given along with proteolytic enzymes which causes break down of coagulated blood.

In the management of hematoma do not apply heat to the area for at least 4 to 6 hours after the incident.

Heat may be applied to the region beginning the next day. Although its benefits are debatable.

Ice may be applied to the region immediately on recognition of a developing hematoma. It acts as

both an analgesic and a vasoconstrictor, and it may aid in minimizing the size of hematoma.

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Jorgensen Technique of IV sedation

# In Jorgensen technique on IV sedation for dental procedure drugs used are:
a) Pentobarbital
b) Meperidine
c) Scopolamine
d) All the above

The correct answer is: D. All of the above.

Jorgenson technique includes intravenous administration of opioids. The drugs used in Jorgenson technique are:
a) Pentobarbital
b) Meperidine
c) Scopolamine (Hyoscine)
d) Pethidine, etc.

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Sublingual Space vs Submandibular Space

# Sublingual space is divided from submandibular space by:
a) Fibres of mylohyoid
b) Submandibular gland
c) Body of mandible
d) Geniohyoid

The correct answer is A. Fibres of Mylohyoid.

The mylohyoid muscle, which forms the floor of the oral cavity, is the key to the diagnosis and surgical management of the infections of the sublingual and submandibular spaces. The submandibular space is separated from the overlying sublingual space by the fibers of the mylohyoid muscle.

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