MCQs 215 Operative Dentistry 3dd Khov Sok 2018 Updated

216 Questions | Total Attempts: 206

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Dentistry Quizzes & Trivia

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Questions and Answers
  • 1. 
    Horizontal bitewing radiographs ត្រូវបានប្រើប្រាស់ ជាជំនួយក្នុងការ រុករក lesion នៅ:
    • A. 

      Proximal surface of posterior teeth

    • B. 

      Occlusal surface

    • C. 

      Lingual surface

    • D. 

      Buccal surface

  • 2. 
    Factor Influence Radiographic Interpretation ដោយសារ:
    • A. 

      Errors in technique and Exposure

    • B. 

      Errors in film brand

    • C. 

      Errors in transillumination

    • D. 

      Errors in explorer

  • 3. 
    នៅក្នុង Visual methods , 1 មានន័យថា:
    • A. 

      Opacity (white ) hardly visible on the wet surface but distinctly visible after air-drying

    • B. 

      Opacity (white ) hardly visible on the wet surface but distinctly visible without air-drying

    • C. 

      Translucent (white ) hardly visible on the wet surface but distinctly visible after air-drying

    • D. 

      Translucent (white ) hardly visible on the wet surface but distinctly visible without air-drying

  • 4. 
    នៅក្នុង Visual methods , 2 មានន័យថា:
    • A. 

      Opacity (white brown) distinctly visible without air-drying

    • B. 

      Translucent (white brown) distinctly visible without air-drying

    • C. 

      Opacity (white brown) distinctly visible after long air-drying

    • D. 

      Translucent (white brown) distinctly visible after long air-drying

  • 5. 
    កំហាប់ Fluoride toothpaste ដែលត្រូវប្រើ ជាទូទៅចន្លោះពី:
    • A. 

      1000-1500 ppm

    • B. 

      600-1000 ppm

    • C. 

      2800-5000 ppm

    • D. 

      5000-8000 ppm

  • 6. 
    អោយអ្នកជំងឺhigh risk ដែលមានmultiple lesion និង dry mouth ប្រើថ្នាំដុសធ្មេញដែលមានកំហាប់ fluoride ខ្ពស់គឺចន្លោះពី:
    • A. 

      2800-5000 ppm

    • B. 

      1000-1500 ppm

    • C. 

      5000-8000 ppm

    • D. 

      600-1000 ppm

  • 7. 
    នៅក្នុង components of the dental exam, Extra-oral Examination ត្រូវពិនិត្យ:
    • A. 

      TMJ + Eyes + Face + Neck (Lymph node)

    • B. 

      TMJ + Eyes

    • C. 

      Face

    • D. 

      Neck (Lymph node)

  • 8. 
    នៅពេលពិនិត្យអ្នកជំងឺ ទន្តបណ្ឌិតចាំបាច់ត្រូវធ្វើការសំរេចចិត្តដូចខាងក្រោម:
    • A. 

      ទាំងអស់ខាងលើ

    • B. 

      Diagnosis + Prognosis

    • C. 

      Treatment option and treatment planning

    • D. 

      Prevention of further disease + Restoration

  • 9. 
    MTA has more advantage over CaOH2:
    • A. 

      Rapid cell growth promotion in vitro + Greater ability to maintain the integrity of pulp tissue

    • B. 

      Thicker dentinal bridge, less inflammation, less hyperemia and less pulpal necrosis

    • C. 

      Produce the formation of a dentin bridge at a faster rate + High ability to fight against the penetration of microorganisms

    • D. 

      ទាំងអស់ខាងលើ

  • 10. 
    Materials Used in direct pulp capping:
    • A. 

      ទាំងអស់ខាងលើ

    • B. 

      Calcium Hydroxide + GIC

    • C. 

      Mineral Trioxide Aggregate (MTA)

    • D. 

      ZOE

  • 11. 
    Indication of direct pulp capping:
    • A. 

      ទាំងអស់ខាងលើ

    • B. 

      Tooth remaining vital + Absence of history of pain

    • C. 

      Recent Traumatic ˂ 24hours + The exposure side is less than 1mm

    • D. 

      Non hemorrhagic or easily controlled + No pulp infection with granuloma or abcess

  • 12. 
    Definition of direct pulp capping:
    • A. 

      Techniques for treating a pulp exposure with a material that seal over the exposure site and promote the reparative dentin formation with maintaining pulp vitality

    • B. 

      It is a procedure in which only the infected dentin caries is removed

    • C. 

      The cavity is sealed with a bactericidal agent

    • D. 

      ទាំងអស់ខាងលើ

  • 13. 
    Role of Glass Ionomer:
    • A. 

      ទាំងអស់ខាងលើ

    • B. 

      Biocompatibility

    • C. 

      Fluoride released

    • D. 

      Contraindication for the permanent filling of class I and Class II restoration

  • 14. 
    Role of Zinc Oxide Eugenol:
    • A. 

      ទាំងអស់ខាងលើ

    • B. 

      An antimicrobial for temporary filling

    • C. 

      Good sealing capability intermediate base for temporary filling

    • D. 

      Protection of pulp against thermal shock

  • 15. 
    Role of Calcium Hydroxide:
    • A. 

      Used as cavity linning + It served as blocking dentin tubules

    • B. 

      The high pH of the CH will neutralize acid + Kill bacteria and stimulate formation of reparative dentin

    • C. 

      Protection of pulp against chemical irritation of non-metallic fillings

    • D. 

      ទាំងអស់ខាងលើ

  • 16. 
    Indirect pulp capping during 6-8 weeks waiting period:
    • A. 

      ទាំងអស់ខាងលើ

    • B. 

      The carious process is arrested

    • C. 

      Soft caries hardened

    • D. 

      A protective layer of reparative dentine is formed

  • 17. 
    What does "aseptic" mean during indirect pulp capping:
    • A. 

      Not introduce any new bacteria - or any other micro-organisms - into the area

    • B. 

      Introduce new bacteria to the cavity

    • C. 

      Prevent the dental caries from the cavity

    • D. 

      ទាំងអស់ខាងលើ

  • 18. 
    What precaution should be taken in indirect pulp capping:
    • A. 

      ទាំងអស់ខាងលើ

    • B. 

      All infected dentin is excavated with large round burs and excavators

    • C. 

      Being careful not to expose the pulp

    • D. 

      Rubber dam should be placed for infection control

  • 19. 
    Materials Used in indirect pulp capping:
    • A. 

      ទាំងអស់ខាងលើ

    • B. 

      Calcium Hydroxide

    • C. 

      Zinc Oxide Eugenol

    • D. 

      Glass ionomer

  • 20. 
    Indication of Indirect pulp capping:
    • A. 

      ទាំងអស់ខាងលើ

    • B. 

      No pulp exposure + No pain history

    • C. 

      No evidence of pathosis or caries invaded

    • D. 

      Clinical signs and symptoms of vitality

  • 21. 
    Definition of indirect pulp capping:
    • A. 

      It is a procedure in which only the infected dentin caries is removed and the cavity is sealed with a bactericidal agent

    • B. 

      It is a procedure in which only the infected dentin caries is removed

    • C. 

      The cavity is sealed with a bactericidal agent

    • D. 

      ទាំងអស់ខាងលើ

  • 22. 
    Successful outcome for vital pulp therapy is very dependent on the :
    • A. 

      Type and location of injury

    • B. 

      Age of tooth + treatment modality (Capping material)

    • C. 

      Integrity of the cavity restoration

    • D. 

      ទាំងអស់ខាងលើ

  • 23. 
    Vital pulp therapy includes 2 therapeutic approaches :
    • A. 

      ទាំង២ខាងលើ

    • B. 

      Indirect pulp capping in case of deep dentinal cavities

    • C. 

      Direct pulp capping/pulpotomy in case of pulp exposure

    • D. 

      Endodontic

  • 24. 
    Vital pulp therapy aims to treat:
    • A. 

      ទាំងអស់ខាងលើ

    • B. 

      Reversible pulpal injury

    • C. 

      Maintain pulp vitality

    • D. 

      Function

  • 25. 
    Deep caries management, 3 vital techniques:
    • A. 

      ទាំងអស់ខាងលើ

    • B. 

      Indirect pulp capping

    • C. 

      Direct pulp capping

    • D. 

      Coronal pulpotomy