MCQs 215 Operative Dentistry 3dd Khov Sok 2018 Updated
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- 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
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