CMSA Diploma in Oral Surgery Dip Oral Surg(SA) Practice Questions - Diploma in Oral Surgery of the College of Maxillofacial and Oral Surgeons of South Africa Exam - CMSA Diploma in Oral Surgery Dip Oral Surg(SA) Practice Questions - Diploma in Oral Surgery of the College of Maxillofacial and Oral Surgeons of South Africa Exam

Question 1

A 24-year-old male presents with a mesioangularly impacted mandibular third molar. According to Winter's classification, which angulation measurement defines a mesioangular impaction?

The long axis of the third molar is inclined mesially towards the second molar at an angle between 11 and 70 degrees The long axis of the third molar is perpendicular to the second molar at 90 degrees The long axis of the third molar is inclined distally away from the second molar The long axis of the third molar is parallel to the long axis of the second molar

Correct Answer:

The long axis of the third molar is inclined mesially towards the second molar at an angle between 11 and 70 degrees

Question 2

Which nerve is at highest risk of direct iatrogenic injury during a distal wedge procedure or incision made distal to the mandibular second molar?

Lingual nerve Inferior alveolar nerve Mylohyoid nerve Buccal nerve

Correct Answer:

Lingual nerve

Question 3

Which local anaesthetic solution has the highest lipid solubility and rapid plasma clearance due to an ester linkage in its thiophene ring?

Articaine 4% with 1:100 000 epinephrine Lignocaine 2% with 1:80 000 epinephrine Bupivacaine 0.5% with 1:200 000 epinephrine Mepivacaine 3% plain

Correct Answer:

Articaine 4% with 1:100 000 epinephrine

Question 4

On day 4 following a surgical extraction of tooth 38, a 30-year-old female presents with severe, radiating neuralgiform pain, halitosis, and exposed bare bone in the extraction socket. What is the primary pathophysiology of this condition?

Premature fibrinolysis of the intra-alveolar blood clot by plasmin Acute bacterial osteomyelitis of the mandibular body Direct bacterial invasion of the inferior alveolar nerve canal Retained root fragment with acute apical periodontitis

Correct Answer:

Premature fibrinolysis of the intra-alveolar blood clot by plasmin

Question 5

Which odontogenic cyst characteristically arises from the reduced enamel epithelium surrounding the crown of an unerupted or impacted tooth?

Dentigerous cyst Radicular cyst Odontogenic keratocyst Nasopalatine duct cyst

Correct Answer:

Dentigerous cyst

Question 1

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Prepare with the CMSA Diploma in Oral Surgery Dip Oral Surg(SA) Practice Questions - Diploma in Oral Surgery of the College of Maxillofacial and Oral Surgeons of South Africa Exam practice quiz. This question bank includes 100 questions covering surgical, year-old, presents, mandibular, and molar. Use it to review important concepts, identify knowledge gaps, and build confidence for the related exam, course, or assessment.

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CMSA Diploma in Oral Surgery Dip Oral Surg(SA) Practice Questions - Diploma in Oral Surgery of the College of Maxillofacial and Oral Surgeons of South Africa Exam

This practice set contains 100 questions from the matching question bank and focuses on surgical, year-old, presents, mandibular, and molar. Work through each question carefully, review the provided solutions, and revisit topics that need more study before your next attempt.

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CMSA Diploma in Oral Surgery Dip Oral Surg(SA) Practice Questions - Diploma in Oral Surgery of the College of Maxillofacial and Oral Surgeons of South Africa Exam

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