Lebanon's dentistry colloquium exam, 2021 · Session 2

What is on the 2021 · Session 2 paper?

• Written: Saturday 4 December 2021Source: Ministry announcement, 17 November 2021 (PDF, on LBCI)
• Questions in Enamel: all 120, from an official past paper, each explained in writing.

Endodontics most: 27 of the paper's 120 questions, then periodontology (23) and operative & materials (20). Counted as the app tags them for its mocks.

• Endodontics27
• Periodontology23
• Operative & Materials20
• Anesthesia & Pharma18
• Prosthodontics7
• Pedo & Ortho6
• Radiology & Diagnosis3
• Oral Surgery2
• General14

Sorted by keyword, so a question counts once, under the subject it names most. “General” holds the rest.

What did the 2021 · Session 2 paper ask?

Four of the paper's 120 questions, each with the answer and our explanation. Questions are shown exactly as worded on the paper. The explanations are ours.

1. Sample 1 of 4 · Endodontics

   Which of the following obturation techniques is suitable for cases with internal resorption?

   1. a,Lateral compaction technique
   2. b,Chemically softened gutta percha technique
   3. c,Inverted cone technique
   4. d,Thermoplasticized injectable gutta-percha technique
   5. e,Solid core carrier technique

   Show the answer

   Correct answer: d · Thermoplasticized injectable gutta-percha technique

   Internal resorption defects are irregular, so a thermoplasticized injectable gutta-percha technique best fills the irregular resorptive space.

2. Sample 2 of 4 · Pedo & Ortho

   The examination of the profile allows us to:

   1. a,Evaluate the convexity of the face
   2. b,Precisely determine the facial mode
   3. c,Assess the presence of the stoma
   4. d,Determine the presence of mouth breathing
   5. e,Is optional in Orthodontic

   Show the answer

   Correct answer: a · Evaluate the convexity of the face

   Profile (lateral) examination lets the clinician evaluate facial convexity/concavity, reflecting the underlying skeletal antero-posterior relationship.

3. Sample 3 of 4 · General

   Which structure does NOT pass through the parotid gland?

   1. a,retromandibular vein
   2. b,temporozygomatic branch of facial nerve
   3. c,cervicofacial branch of facial nerve
   4. d,internal jugular vein
   5. e,external carotid artery

   Show the answer

   Correct answer: d · internal jugular vein

   The internal jugular vein does NOT pass through the parotid; the structures within the gland are the facial nerve, retromandibular vein and external carotid artery.

4. Sample 4 of 4 · General

   In order to extract 2nd lower premolar:

   1. a,We should always make local infiltration
   2. b,We should always make mandibular bloc
   3. c,We should always make intraligamentary injection
   4. d,All of the above
   5. e,None of the above

   Show the answer

   Correct answer: e · None of the above

   Choice of anaesthetic technique for a lower second premolar depends on the case; no single method is mandatory, so none of the absolute statements is correct.

Is there a PDF of the 2021 · Session 2 paper?

No PDF here: Enamel has all 120 questions of this paper, each explained, in the app.

In the app the paper is a set of its own: answer each question, then read the key and the written explanation.