ORE Part 1 Oral Surgery

Question 1

During surgical extraction of a lower third molar, the lingual nerve is most at risk at which anatomical location?

Accepted Answer

At the lingual plate of the third molar region, just below the alveolar crest

Answer

At the level of the sigmoid notch

Answer

At the mental foramen

Answer

At the lingula of the mandible

Question 2

A patient develops numbness of the lower lip immediately following extraction of a lower premolar. Which nerve has most likely been damaged?

Accepted Answer

Mental nerve

Answer

Inferior alveolar nerve

Answer

Lingual nerve

Answer

Buccal nerve

Question 3

What is the most common complication following extraction of maxillary molars?

Accepted Answer

Oroantral communication

Answer

Inferior alveolar nerve damage

Answer

Mandibular fracture

Answer

Ludwig's angina

Question 4

A patient presents 3 days post-extraction with severe throbbing pain, a foul taste, and an empty socket with exposed bone. What is the diagnosis?

Accepted Answer

Alveolar osteitis (dry socket)

Answer

Normal post-extraction healing

Answer

Osteomyelitis

Answer

Residual root fracture

Question 5

Which of the following is an absolute contraindication to dental extraction without specialist referral?

Accepted Answer

Patients receiving intravenous bisphosphonate therapy for bone metastases

Answer

Well-controlled type 2 diabetes

Answer

Patients on low-dose aspirin

Answer

History of mild penicillin allergy

Question 6

During elevation of a lower third molar root, the root tip is displaced lingually. What is the immediate best course of action?

Accepted Answer

Take a radiograph, note the location, and refer to a specialist oral surgeon

Answer

Attempt retrieval with a Mitchell's trimmer through the socket

Answer

Raise a lingual flap and retrieve under direct vision

Answer

Leave it and inform the patient