Exam Questions: اسئلة الأختبارات
1. Which of the following is contraindicated to endodontic therapy?
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Non-restorable tooth
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B. a tooth with insufficient periodontal support
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a tooth with vertical root fracture
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All of the above
2. Which of the following is the worst perforation prognosis?
A. Into furca
B. Apical 1/3 of root
C. Coronal third of root
D. Middle third of root
E. Crown above bone
3. Which if the major cause of endodontic failure after treatment has been successful?
A. Occlusal leakage
B. Cervical perforation
C. Cystic transformation of a granuloma
D. Overextension of gutta percha
E. Epitheliazation of sinus tract
4. Which of the following is not found in the pulp?
A. Proprioceptive n. fibers
B. Symphatetic n. fibers
C. A-delta n. fibers
D. C n. fibers
5. What teeth are most often involved in cracked tooth syndrome?
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Mandibular molars and maxillary premolars
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Maxillary molars and mandibular premolars
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Maxillary molars
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Mandibular premolars
6.Tooth #19 has received a recent amalgam restoration. It has been sensitive on and off for three weeks. It is sensitive to percussion. Tooth is sensitive (exaggerated, prolonged) to applied heat. What do you do?
A. Reduce occlusion
B. Sedative dressing
C. RCT
D. Observe and analgesics
7. Which of the following decreases with age in the dental pulp?
A. Number of collagen fibers
B. The size of the pulp
C. Calcification within the pulp
D. All of the above
8. The use of Lidocaine is contraindicated in which of the following instances?
A. Patients with hypersensitivity to lidocaine.
B. Patients with hypersensitivity to amide anesthetics.
C. Patients with myasthenia gravis.
D. Patients with severe degrees of SA, AV, or intraventricular blockage.
E. All of the above are contraindications for the use of lidocaine.
9. How do you treat a perforation on the pulpal floor?
*Seal immediately (MTA) and then continue RCT
10. What is the main reason for failure of the maxillary first molar?
*Leakage from second MB canal
Answers:
D, A, A, A, A, C, D, E