2 Sept 2026, 14:39 UTC162 viewsread 10 September 2026 C) The tooth root is completely resorbed and replaced by soft gum tissue
D) The pulp chamber fills with dense gutta-percha cones
Answer: B
Clinical Scenario-Based Questions
Scenario: A 10-year-old patient presents with a fractured maxillary central incisor following a sports injury that occurred 2 hours ago. Clinical examination reveals a 1 mm pin-point pulp exposure with bright red, bleeding pulp tissue. The ro…
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2 Sept 2026, 14:39 UTC217 viewsread 10 September 2026 Question: What combined diagnostic approach is recommended by the European Society of Endodontology to accurately determine the working length?
A) Electronic apex locator combined with multiple radiographic angulations and contralateral tooth comparison
B) Relying solely on the patient's pain feedback during file insertion
C) Assuming a standard length of 25 mm for all maxillary incisors
D) Measuring the clinical…
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2 Sept 2026, 14:39 UTC82 viewsread 10 September 2026 McQ based on management open canal in endodontic
What is the primary characteristic of an open canal in endodontics?
A) A fully formed root apex with a narrow foramen
B) An immature tooth with an incompletely formed root apex where development has been interrupted
C) A tooth with a fractured coronal structure and obliterated pulp chamber
D) A root with a completely calcified canal system
Answer: B
What struc…
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2 Sept 2026, 14:39 UTC94 views2 reactionsread 10 September 2026 A) Frank
B) Kaiser
C) Nygaard-Østby
D) Torneck
Answer: B
Who popularized the traditional multi-visit apexification technique with a step-by-step procedure in 1966?
A) Frank
B) Kaiser
C) Zussman
D) Klein and Levy
Answer: A
What is a primary drawback of traditional multi-visit calcium hydroxide apexification?
A) Immediate setting shrinkage
B) High risk of root fracture over the long treatment time (3 to 1…
❤2
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2 Sept 2026, 14:39 UTC88 viewsread 10 September 2026 Answer: B
What happens to root development if pulp necrosis occurs prior to apical closure?
A) Root development accelerates to compensate for the infection
B) Root development halts, leaving thin, fragile walls and an open apex
C) The apex automatically closes via secondary dentin deposition
D) The root transforms into a multi-rooted structure
Answer: B
Which clinical test is generally considered unreliable f…
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2 Sept 2026, 14:39 UTC98 viewsread 10 September 2026 What is a primary goal of pulp revascularization/regeneration procedures regarding root dimensions?
A) To shorten the overall root length for easier post placement
B) To achieve continued root development with increased wall thickness and length
C) To convert the single-rooted tooth into a molar
D) To maintain the exact thin walls without any structural change
Answer: B
Which theory suggests that dental sac ce…
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2 Sept 2026, 14:37 UTC100 viewsread 10 September 2026 A) Extrusion of infected debris and irrigants into the periapical tissues
B) Eating hard foods on the opposite side of the mouth
C) A new systemic viral infection unrelated to the dental procedure
D) Using an incorrect shade of temporary filling material
Answer: A) Extrusion of infected debris and irrigants into the periapical tissues
54. A patient presents with a localized, soft, fluctuant swelling over the root ape…
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2 Sept 2026, 14:37 UTC84 viewsread 10 September 2026 Answer: A) Neo-Cortef eye/ear drops or Ledermix paste
60. A patient calls the front desk asking for an emergency appointment because they have a slight tooth discoloration, though they feel zero pain and can sleep, eat, and work comfortably. How should this be classified?
A) A true life-threatening emergency requiring midnight surgery
B) An urgency or routine condition that can be scheduled for mutual convenience rat…
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2 Sept 2026, 14:37 UTC91 viewsread 10 September 2026 Mcq about endodontic emergencies
Part 1: Introduction, Diagnosis, and True Emergencies
1. Approximately what percentage of patients with oral or maxillofacial pain need endodontic emergency treatment?
A) 30%
B) 45%
C) 60%
D) 90%
Answer: C) 60%
2. Nearly what percentage of patients seeking emergency dental treatment have symptoms of pulpal or periapical disease?
A) 50%
B) 70%
C) 90%
D) 99%
Answer: C) 90%
3. Which of…
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2 Sept 2026, 14:37 UTC78 viewsread 10 September 2026 12. Which of the following is listed as an adjunctive or alternative anesthetic strategy for acute inflammation?
A) Intrapulpal injection
B) Periodontal ligament (PDL) injection
C) Intraosseous injection
D) All of the above
Answer: D) All of the above
Part 3: Drainage and Venting Techniques
13. What are the three primary routes through which drainage or venting can be established?
A) Through the tooth, through the so…
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2 Sept 2026, 14:37 UTC81 viewsread 10 September 2026 Answer: B) Debridement (complete cleaning and shaping if time permits) and drainage
24. Rapidly progressive and spreading swellings commonly referred to as what may dissect into facial spaces and require specialist referral?
A) Cellulitis
B) Gingivitis
C) Enamel hypoplasia
D) Fluorosis
Answer: A) Cellulitis
Part 6: Facial Space Infections & Anatomy
25. Which of the following is a recognized fascial space infection ac…
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2 Sept 2026, 14:37 UTC75 viewsread 10 September 2026 Part 8: Management of Specific Flare-up Scenarios
36. For a previously vital pulp with complete debridement that presents with mild discomfort, what is usually the best approach?
A) Reassurance and mild-to-moderate analgesic; opening the tooth is usually unnecessary
B) Immediate surgical extraction of the tooth
C) Hospitalization and intravenous antibiotics
D) Performing an apicoectomy immediately
Answer: A) Reassura…
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