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
Correct Answer
A. Proximal surface of posterior teethExplanation
Horizontal bitewing radiographs are commonly used to detect lesions on the proximal surface of posterior teeth. These radiographs provide a clear view of the contact area between adjacent teeth, allowing for the detection of any decay or abnormalities in this area. By using horizontal bitewing radiographs, dentists can accurately diagnose and treat lesions on the proximal surfaces of posterior teeth, ensuring proper oral health for patients.Rate this question:
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- 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
Correct Answer
A. Errors in technique and ExposureExplanation
The answer suggests that errors in technique and exposure have a significant influence on radiographic interpretation. This means that the way the radiograph is taken and the exposure settings used can affect how accurately the image is interpreted. Factors such as improper positioning, incorrect exposure time, or incorrect settings can lead to errors in the radiograph, making it difficult for the radiologist or dentist to accurately interpret the image.Rate this question:
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- 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
Correct Answer
A. Opacity (white ) hardly visible on the wet surface but distinctly visible after air-dryingExplanation
The correct answer suggests that the opacity of the white substance is difficult to see on the wet surface, but becomes clearly visible after it has dried. This implies that the substance becomes more solid and less transparent once it dries, making it easier to see.Rate this question:
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- 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
Correct Answer
A. Opacity (white brown) distinctly visible without air-dryingExplanation
The given answer states that opacity (white brown) is distinctly visible without air-drying. This means that the object being observed is not transparent and its color (white brown) can be clearly seen without the need for the object to dry.Rate this question:
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- 5.
កំហាប់ Fluoride toothpaste ដែលត្រូវប្រើ ជាទូទៅចន្លោះពី:
- A.
1000-1500 ppm
- B.
600-1000 ppm
- C.
2800-5000 ppm
- D.
5000-8000 ppm
Correct Answer
A. 1000-1500 ppmExplanation
Fluoride toothpaste is typically recommended to contain a concentration of 1000-1500 ppm (parts per million) of fluoride. This concentration range is considered effective in preventing tooth decay and promoting oral health. Higher concentrations, such as 2800-5000 ppm or 5000-8000 ppm, may be prescribed by a dentist for individuals with a higher risk of tooth decay or certain dental conditions. However, using toothpaste with excessively high fluoride concentrations can lead to dental fluorosis, a cosmetic condition that affects the appearance of tooth enamel. Therefore, the recommended concentration range of 1000-1500 ppm is considered safe and effective for most individuals.Rate this question:
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- 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
Correct Answer
A. 2800-5000 ppmExplanation
The correct answer is 2800-5000 ppm. This range of fluoride concentration is recommended for individuals who are at high risk of developing dental problems such as multiple lesions and dry mouth. Fluoride helps to strengthen the teeth and prevent tooth decay. Using a toothpaste with a high fluoride concentration within this range can provide additional protection for individuals with these risk factors.Rate this question:
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- 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)
Correct Answer
A. TMJ + Eyes + Face + Neck (Lymph node)Explanation
In the components of the dental exam, the extra-oral examination involves checking the TMJ (temporomandibular joint) for any abnormalities or pain, examining the eyes for any signs of infection or inflammation, assessing the face for any asymmetry or swelling, and examining the neck for any enlarged lymph nodes. All these components are important to evaluate the overall health and potential issues related to the dental condition.Rate this question:
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- 8.
នៅពេលពិនិត្យអ្នកជំងឺ ទន្តបណ្ឌិតចាំបាច់ត្រូវធ្វើការសំរេចចិត្តដូចខាងក្រោម:
- A.
ទាំងអស់ខាងលើ
- B.
Diagnosis + Prognosis
- C.
Treatment option and treatment planning
- D.
Prevention of further disease + Restoration
Correct Answer
A. ទាំងអស់ខាងលើExplanation
During the examination of a patient, it is important to perform a diagnosis to determine the nature and cause of the illness. This is followed by a prognosis, which involves predicting the likely course and outcome of the disease. Once the diagnosis and prognosis are established, treatment options and planning can be discussed with the patient. This may involve medication, surgery, or other interventions. Additionally, efforts should be made to prevent further disease progression and restore the patient's health. This may include lifestyle changes, preventive measures, and rehabilitation.Rate this question:
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- 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
Correct Answer
A. Rapid cell growth promotion in vitro + Greater ability to maintain the integrity of pulp tissueExplanation
MTA has more advantage over CaOH2 because it promotes rapid cell growth in vitro and has a greater ability to maintain the integrity of pulp tissue. It also results in a thicker dentinal bridge, less inflammation, less hyperemia, and less pulpal necrosis. MTA can produce the formation of a dentin bridge at a faster rate and has a high ability to fight against the penetration of microorganisms.Rate this question:
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- 10.
Materials Used in direct pulp capping:
- A.
ទាំងអស់ខាងលើ
- B.
Calcium Hydroxide + GIC
- C.
Mineral Trioxide Aggregate (MTA)
- D.
ZOE
Correct Answer
A. ទាំងអស់ខាងលើExplanation
The correct answer is all of the above. This means that all of the materials listed above, including Calcium Hydroxide + GIC, Mineral Trioxide Aggregate (MTA), and ZOE, can be used in direct pulp capping.Rate this question:
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- 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
Correct Answer
A. ទាំងអស់ខាងលើExplanation
The given answer suggests that all of the above conditions should be present in order to indicate direct pulp capping. This means that the tooth should still be alive and there should be no history of pain. Additionally, the exposure should be recent and less than 24 hours, with a size of less than 1mm. The area should not be hemorrhagic or difficult to control, and there should be no pulp infection with granuloma or abscess.Rate this question:
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- 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
Correct Answer
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 vitalityExplanation
Direct pulp capping refers to the technique of treating a pulp exposure by sealing the exposure site with a material. This material not only seals the site but also promotes the formation of reparative dentin while maintaining the vitality of the pulp. This procedure involves removing only the infected dentin caries and sealing the cavity with a bactericidal agent.Rate this question:
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- 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
Correct Answer
A. ទាំងអស់ខាងលើExplanation
Glass ionomer has several roles in dentistry. One of its main advantages is its biocompatibility, meaning it is well-tolerated by the body and does not cause any adverse reactions. Additionally, glass ionomer releases fluoride, which helps prevent tooth decay and strengthens the surrounding teeth. However, it is contraindicated for permanent fillings in Class I and Class II restorations due to its lower strength compared to other restorative materials.Rate this question:
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- 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
Correct Answer
A. ទាំងអស់ខាងលើExplanation
Zinc Oxide Eugenol is used as an antimicrobial agent in temporary fillings, helping to prevent the growth of bacteria and other microorganisms. It also has good sealing capabilities, making it an effective intermediate base for temporary fillings. Additionally, it provides protection to the pulp against thermal shock, which can occur during dental procedures. Overall, Zinc Oxide Eugenol plays a crucial role in ensuring the success and longevity of temporary fillings.Rate this question:
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- 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
Correct Answer
A. Used as cavity linning + It served as blocking dentin tubulesExplanation
Calcium hydroxide is used as a cavity lining material because it serves two purposes. Firstly, it can block the dentin tubules, preventing the passage of bacteria and other irritants into the pulp. Secondly, its high pH level helps to neutralize any existing acid in the cavity, which can protect the pulp from chemical irritation caused by non-metallic fillings. Additionally, calcium hydroxide has the ability to kill bacteria and stimulate the formation of reparative dentin, aiding in the healing process.Rate this question:
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- 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
Correct Answer
A. ទាំងអស់ខាងលើExplanation
During the 6-8 weeks waiting period, indirect pulp capping is performed. This procedure helps to arrest the carious process, meaning it stops the progression of tooth decay. Additionally, it allows the soft caries to harden, making it more resistant to further damage. Indirect pulp capping also promotes the formation of a protective layer of reparative dentine, which helps to protect the underlying pulp and prevent further infection or decay.Rate this question:
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- 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
Correct Answer
A. Not introduce any new bacteria - or any other micro-organisms - into the areaExplanation
During indirect pulp capping, "aseptic" means not introducing any new bacteria or micro-organisms into the area. This is important because the goal of indirect pulp capping is to protect the pulp from further damage and promote healing. Introducing new bacteria or micro-organisms could lead to infection and compromise the success of the procedure. Therefore, maintaining an aseptic environment is crucial to ensure the best possible outcome for the patient.Rate this question:
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- 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
Correct Answer
A. ទាំងអស់ខាងលើExplanation
In indirect pulp capping, all infected dentin should be removed using large round burs and excavators, while being careful not to expose the pulp. Additionally, a rubber dam should be placed to control infection.Rate this question:
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- 19.
Materials Used in indirect pulp capping:
- A.
ទាំងអស់ខាងលើ
- B.
Calcium Hydroxide
- C.
Zinc Oxide Eugenol
- D.
Glass ionomer
Correct Answer
A. ទាំងអស់ខាងលើ -
- 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
Correct Answer
A. ទាំងអស់ខាងលើExplanation
The given answer suggests that all the above-mentioned indications must be present for indirect pulp capping. This means that there should be no pulp exposure and no history of pain. Additionally, there should be no evidence of any disease or decay invading the tooth, and the tooth should show clinical signs and symptoms of vitality.Rate this question:
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- 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
Correct Answer
A. It is a procedure in which only the infected dentin caries is removed and the cavity is sealed with a bactericidal agentExplanation
Indirect pulp capping is a dental procedure that involves removing only the infected dentin caries and sealing the cavity with a bactericidal agent. This procedure helps to preserve the vitality of the pulp by leaving a layer of affected dentin to stimulate the formation of reparative dentin. By sealing the cavity with a bactericidal agent, the risk of further infection is minimized. This approach is often used when the decay has not reached the pulp directly, but there is a risk of pulp exposure during excavation.Rate this question:
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- 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
Correct Answer
A. Type and location of injuryExplanation
The successful outcome of vital pulp therapy depends on the type and location of the injury. Different types of injuries may require different treatment approaches and have varying success rates. The location of the injury is also important as it can affect the accessibility and feasibility of the treatment. Therefore, understanding the type and location of the injury is crucial in determining the appropriate treatment modality and predicting the success of the therapy.Rate this question:
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- 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
Correct Answer
A. ទាំង២ខាងលើExplanation
The correct answer is "ទាំង២ខាងលើ" which means "both of the above". This means that vital pulp therapy includes both indirect pulp capping in case of deep dentinal cavities and direct pulp capping/pulpotomy in case of pulp exposure.Rate this question:
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- 24.
Vital pulp therapy aims to treat:
- A.
ទាំងអស់ខាងលើ
- B.
Reversible pulpal injury
- C.
Maintain pulp vitality
- D.
Function
Correct Answer
A. ទាំងអស់ខាងលើExplanation
Vital pulp therapy aims to treat reversible pulpal injury, maintain pulp vitality, and restore function.Rate this question:
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- 25.
Deep caries management, 3 vital techniques:
- A.
ទាំងអស់ខាងលើ
- B.
Indirect pulp capping
- C.
Direct pulp capping
- D.
Coronal pulpotomy
Correct Answer
A. ទាំងអស់ខាងលើExplanation
The given answer "ទាំងអស់ខាងលើ" means "all of the above" in English. This suggests that all three techniques mentioned in the question (indirect pulp capping, direct pulp capping, and coronal pulpotomy) are considered vital in deep caries management.Rate this question:
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- 26.
Indirect restorations may require:
- A.
2 or more visits
- B.
1 visit
- C.
ទាំង២ខាងលើ
- D.
ទាំងអស់ខាងលើ
Correct Answer
A. 2 or more visitsExplanation
Indirect restorations, such as crowns or bridges, often require multiple visits to complete. This is because the process involves taking impressions of the teeth, fabricating the restoration in a dental laboratory, and then fitting and cementing the restoration onto the tooth. These steps typically cannot be done in a single visit, as the restoration needs to be custom-made and adjusted for a proper fit and bite. Therefore, the correct answer is that indirect restorations may require 2 or more visits.Rate this question:
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- 27.
Direct restorations are:
- A.
Fillings placed immediately into a prepared cavity in a single visit
- B.
Prepare cavity on the first visit
- C.
Filling placed 3 time on a tooth
- D.
ទាំងអស់ខាងលើ
Correct Answer
A. Fillings placed immediately into a prepared cavity in a single visitExplanation
Direct restorations refer to fillings that are placed immediately into a prepared cavity in a single visit. This means that the dentist prepares the cavity by removing the decayed or damaged tooth structure and then fills it with a dental material, such as composite resin or amalgam, in the same appointment. This type of restoration is convenient for patients as it saves time and eliminates the need for multiple visits.Rate this question:
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- 28.
Permanent Fillings ចែកជាពីរគឺ:
- A.
Direct restorations + indirect restorations
- B.
Onlay + inlay
- C.
Crown + amalgam
- D.
ទាំងអស់ខាងលើ
Correct Answer
A. Direct restorations + indirect restorationsExplanation
The correct answer is direct restorations + indirect restorations. This means that permanent fillings can be achieved through both direct restorations, where the filling material is placed directly into the cavity, and indirect restorations, where the filling material is fabricated outside of the mouth and then placed into the cavity. This answer encompasses all the other options listed, such as onlays, inlays, crowns, and amalgam, as these are all examples of either direct or indirect restorations used for permanent fillings.Rate this question:
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- 29.
Indirect restorative materials:
- A.
ទាំង២ខាងលើ
- B.
Inlay, Onlay (gold, composite resin, porcelain)
- C.
Crown (Veneers, porcelain fused to metal, zirconia)
- D.
Amalgam
Correct Answer
A. ទាំង២ខាងលើExplanation
The correct answer is "Inlay, Onlay (gold, composite resin, porcelain) and Crown (Veneers, porcelain fused to metal, zirconia)". This answer lists the indirect restorative materials that are used for inlays, onlays, and crowns. Inlays and onlays can be made from materials such as gold, composite resin, and porcelain. Crowns can be made from veneers, porcelain fused to metal, or zirconia.Rate this question:
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- 30.
Direct restorative materials:
- A.
ទាំង២ខាងលើ
- B.
Esthetic restorative materials (composite resin, Glass- ionomer cements)
- C.
Metalic restoration (amalgam )
- D.
Inlay, Onlay (gold, composite resin, porcelain)
Correct Answer
A. ទាំង២ខាងលើExplanation
The answer states that both esthetic restorative materials (composite resin, glass-ionomer cements) and metallic restorations (amalgam) are included in direct restorative materials. It also mentions that inlay and onlay restorations can be made from materials such as gold, composite resin, and porcelain.Rate this question:
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- 31.
The common temporary fillings are:
- A.
Zinc oxide and eugenol cement + Zinc phosphate cement
- B.
Composite + Amalgam
- C.
Inlay + Onlay
- D.
ទាំងអស់ខាងលើ
Correct Answer
A. Zinc oxide and eugenol cement + Zinc phosphate cementExplanation
The common temporary fillings include zinc oxide and eugenol cement, as well as zinc phosphate cement. These materials are often used as temporary fillings in dentistry before a permanent filling can be placed. Zinc oxide and eugenol cement provide good sealing properties and have a soothing effect on the pulp. Zinc phosphate cement is known for its strength and durability, making it suitable for temporary restorations. Using a combination of these materials can provide both sealing and strength to the temporary filling, ensuring its effectiveness until a permanent solution can be implemented.Rate this question:
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- 32.
Restorative materials ចែកចេញជា ២ ប្រភេទគឺ:
- A.
Temporary restorative materials + Permanent restorative materials
- B.
Surgery material + endodontic material
- C.
Prosthodontic material + orthodontic material
- D.
ទាំងអស់ខាងលើ
Correct Answer
A. Temporary restorative materials + Permanent restorative materialsExplanation
Restorative materials can be divided into two main categories: temporary restorative materials and permanent restorative materials. Temporary restorative materials are used for short-term purposes, such as filling a cavity until a permanent filling can be placed. Permanent restorative materials, on the other hand, are used for long-term purposes and are designed to withstand the daily stresses of chewing and biting. Therefore, the correct answer is temporary restorative materials + permanent restorative materials.Rate this question:
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- 33.
Restoration មិនត្រឹមត្រូវគឺជាមូលហេតុចំបងនាំអោយមាន:
- A.
Periodontal disease + occlusal disharmonies
- B.
Erosion + attrition
- C.
Dental caries + periodontal disease
- D.
Periodontal disease + pulpitis
Correct Answer
A. Periodontal disease + occlusal disharmoniesExplanation
Periodontal disease refers to inflammation and infection of the gums and supporting structures of the teeth. Occlusal disharmonies, on the other hand, refer to an improper alignment of the teeth when the jaws are closed. The correct answer suggests that the combination of periodontal disease and occlusal disharmonies is not appropriate or suitable. This means that having both conditions together can lead to further complications or worsen the existing problems.Rate this question:
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- 34.
Restoration មិនត្រឹមតែផ្តោតទៅលើ form, function, strength, and esthetic, ប៉ុណ្ណោះទេ ត្រូវគិតទៅលើចំនុចសំខាន់មួយទៀតគឺ:
- A.
រក្សាមិនអោយខូចខាតដល់ជាលិកាជុំវិញធេ្មញ
- B.
រក្សាមិនអោយខូចខាតដល់រឹសធេ្មញ
- C.
រក្សាមិនអោយខូចខាតដល់ផ្ទៃទាំងមូលរបស់ធ្មេញ
- D.
រក្សាមិនអោយខូចខាតដល់សរសៃធ្មេញ
Correct Answer
A. រក្សាមិនអោយខូចខាតដល់ជាលិកាជុំវិញធេ្មញExplanation
The correct answer states that restoration does not allow for overloading of the tooth structure. This means that the restoration should not put excessive pressure or stress on the tooth, which could lead to damage or failure. It is important for a restoration to distribute forces evenly and not cause any harm to the tooth structure.Rate this question:
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- 35.
Restoration គឺជា:
- A.
របស់ប្រើជំនួស និង បំពេញផ្ទៃធ្មេញដែលបាត់បង់
- B.
របស់ប្រើជំនួស និង បន្ថែមលើផ្ទៃរបស់ធ្មេញដែលមានស្រាប់
- C.
របស់ប្រើដើម្បីព្យាបាលរន្ធរឹសធ្មេញ
- D.
ទាំងអស់ខាងលើ
Correct Answer
A. របស់ប្រើជំនួស និង បំពេញផ្ទៃធ្មេញដែលបាត់បង់ -
- 36.
Treatment Options and Treatment planning:
- A.
ទាំងអស់ខាងលើ
- B.
ការសំរេចចិត្តគឺបានមកពីការ ថ្លឹងថ្លែងរបស់ Diagnosis និង Prognosis
- C.
ជ្រើសរើសប្រភេទ cavity
- D.
ជ្រើសរើសគួរប្រើ ឧបករណ៏ណាខ្លះ
Correct Answer
A. ទាំងអស់ខាងលើExplanation
The given answer states "ទាំងអស់ខាងលើ" which translates to "all of the above" in English. This suggests that all the options mentioned in the previous sentences are valid and applicable in the context of treatment options and treatment planning.Rate this question:
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- 37.
Prognosis ក្នុងករណី រោគពុកធ្មេញដំណាក់កាលដំបូង (early caries) យើងអាចពន្យល់អ្នកជំងឺអោយជ្រើសរើស:
- A.
ការព្យាបាលដោយថែទាំ(preventive treatment plan)
- B.
ការប៉ះដោយ Amalgam
- C.
ការប៉ះដោយ Composite
- D.
ទាំងអស់ខាងលើ
Correct Answer
A. ការព្យាបាលដោយថែទាំ(preventive treatment plan)Explanation
The correct answer is "ការព្យាបាលដោយថែទាំ(preventive treatment plan)". This is because early caries refers to the initial stages of tooth decay, where the enamel is beginning to break down but the cavity has not yet formed. Preventive treatment plans focus on strategies to stop the progression of caries and prevent further damage to the tooth. This can include measures such as regular dental cleanings, fluoride treatments, and dental sealants to protect the tooth from decay.Rate this question:
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- 38.
Prognosis:
- A.
គឺជាការប៉ាន់ស្មានអ្វីដែលនឹងកើតឡើង នៅពេលខាងមុខ ក្នុងករណីសំរេចចិត្តថាព្យាបាល រឺ អត់
- B.
គឺជាការសំគាល់ នៃប្រភេទជំងឺ
- C.
គឺជាការរក អោយឃើញនូវ ទីតាំងខូចខាត, រីករាលដាល ដល់ណា
- D.
គឺជាការរក អោយឃើញ លក្ខណះធ្ងន់ធ្ងរ កំរិតណា
Correct Answer
A. គឺជាការប៉ាន់ស្មានអ្វីដែលនឹងកើតឡើង នៅពេលខាងមុខ ក្នុងករណីសំរេចចិត្តថាព្យាបាល រឺ អត់Explanation
Prognosis refers to the prediction of what will happen in the future, particularly in terms of a person's health or the course of a disease. It involves determining the likelihood of recovery, the progression of symptoms, and the overall outcome. In the given context, prognosis is being described as something that occurs during the early stages of an illness or when there is uncertainty about the outcome.Rate this question:
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- 39.
Diagnosis:
- A.
ទាំងអស់ខាងលើ
- B.
គឺជាការសំគាល់នៃប្រភេទជំងឺ
- C.
រកអោយឃើញនូវទីតាំងខូចខាត, រីករាលដាលដល់ណា
- D.
លក្ខណះធ្ងន់ធ្ងរកំរិតណា
Correct Answer
A. ទាំងអស់ខាងលើ -
- 40.
DIRECT REAR POSITION (12 O'CLOCK), working areas include:
- A.
LINGUAL SURFACES OF MANDIBULAR TEETH
- B.
FACIAL SURFACES OF MAXILLARY RIGHT POSTERIOR TEETH
- C.
FACIAL SURFACES OF MANDIBULAR RIGHT POSTERIOR TEETH
- D.
OCCLUSAL SURFACES OF MANDIBULAR RIGHT POSTERIOR TEETH
Correct Answer
A. LINGUAL SURFACES OF MANDIBULAR TEETH -
- 41.
RIGHT REAR POSITION (11 O'CLOCK), working areas include:
- A.
PALATAL AND INCISAL (OCCLUSAL) SURFACES OF MAXILLARY TEETH + MANDIBULAR TEETH (DIRECT VISION).
- B.
FACIAL SURFACES OF MAXILLARY RIGHT POSTERIOR TEETH
- C.
FACIAL SURFACES OF MANDIBULAR RIGHT POSTERIOR TEETH
- D.
OCCLUSAL SURFACES OF MANDIBULAR RIGHT POSTERIOR TEETH
Correct Answer
A. PALATAL AND INCISAL (OCCLUSAL) SURFACES OF MAXILLARY TEETH + MANDIBULAR TEETH (DIRECT VISION).Explanation
The right rear position at 11 o'clock allows for direct vision of the palatal and incisal (occlusal) surfaces of both the maxillary and mandibular teeth. This position also provides visibility of the facial surfaces of the maxillary right posterior teeth and the occlusal surfaces of the mandibular right posterior teeth.Rate this question:
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- 42.
RIGHT POSITION (9 O'CLOCK), working areas include:
- A.
ទាំងអស់ខាងលើ
- B.
FACIAL SURFACES OF MAXILLARY RIGHT POSTERIOR TEETH
- C.
FACIAL SURFACES OF MANDIBULAR RIGHT POSTERIOR TEETH
- D.
OCCLUSAL SURFACES OF MANDIBULAR RIGHT POSTERIOR TEETH.
Correct Answer
A. ទាំងអស់ខាងលើ -
- 43.
RIGHT FRONT POSITION (7 O'CLOCK), working areas include:
- A.
ទាំងអស់ខាងលើ
- B.
MANDIBULAR ANTERIOR
- C.
MANDIBULAR POSTERIOR TEETH (RIGHT SIDE)
- D.
MAXILLARY ANTERIOR TEETH
Correct Answer
A. ទាំងអស់ខាងលើ -
- 44.
Recording of dental examination :
- A.
ទាំងអស់ខាងលើ
- B.
Tooth diagrams, numbering systems, and color coding
- C.
Cavity classifications + Charting symbols
- D.
Abbreviations of tooth surfaces + Abbreviations of treatments
Correct Answer
A. ទាំងអស់ខាងលើExplanation
The given answer suggests that all of the above-mentioned elements are included in the recording of a dental examination. This means that tooth diagrams, numbering systems, color coding, cavity classifications, charting symbols, abbreviations of tooth surfaces, and abbreviations of treatments are all part of the recording process.Rate this question:
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- 45.
នៅក្នុង components of the dental exam, Intra-oral Examination ត្រូវពិនិត្យ:
- A.
ទាំងអស់ខាងលើ
- B.
Examination of the teeth + Soft Tissue
- C.
Examination of the periodontal tissue
- D.
Radiographs
Correct Answer
A. ទាំងអស់ខាងលើ -
- 46.
Position During Dental Treatment, operating position:
- A.
ទាំងអស់ខាងលើ
- B.
RIGHT FRONT POSITION (7 O'CLOCK) + RIGHT POSITION (9 O'CLOCK)
- C.
RIGHT REAR POSITION (11 O'CLOCK)
- D.
DIRECT REAR POSITION (12 O'CLOCK)
Correct Answer
A. ទាំងអស់ខាងលើExplanation
The answer provided states that all positions mentioned above are correct for dental treatment.Rate this question:
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- 47.
នៅក្នុង components of the dental exam, General History ត្រូវកត់ត្រា:
- A.
ទាំងអស់ខាងលើ
- B.
Name + Age + Address
- C.
Systemic Diseases
- D.
Major Complaint
Correct Answer
A. ទាំងអស់ខាងលើExplanation
In the components of the dental exam, the General History section should include the patient's name, age, and address. Additionally, it should also include information about any systemic diseases the patient may have and their major complaint.Rate this question:
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- 48.
Components of the Dental Exam:
- A.
ទាំងអស់ខាងលើ
- B.
General History + Extra-oral Examination + Intra-oral Examination
- C.
Recording the Dental Examination + Tooth Diagrams and Color Coding
- D.
Diangosis + Treatment plan
Correct Answer
A. ទាំងអស់ខាងលើExplanation
The components of the dental exam include general history, extra-oral examination, intra-oral examination, recording the dental examination, tooth diagrams and color coding, diagnosis, and treatment plan.Rate this question:
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- 49.
វិធីដែលអាចControlling cariesលើអ្នកជំងឺស្ងួតមាត់គឺ:
- A.
ទាំងអស់ខាងលើ
- B.
អោយអ្នកជំងឺប្រើថ្នាំដុសធ្មេញមានfluoride ខ្ពស់(5000 ppm)
- C.
អោយអ្នកជំងឺប្រើ Fluoride mouth wash និង ប្រើ Fluoride varnish រៀងរាល់៣ខែ
- D.
សំរាប់អ្នកក្រោយព្យាបាលដោយកាំរស្មី អាចប្រើទឹកមាត់សម្បនិម្មិត (saliva substitute) ជាជំនួយ
Correct Answer
A. ទាំងអស់ខាងលើExplanation
The explanation for the given answer is that controlling caries on all surfaces of the teeth can be achieved by using high fluoride toothpaste (5000 ppm), using fluoride mouthwash, and applying fluoride varnish every three months. Additionally, for individuals with reduced saliva flow, using a saliva substitute can be helpful.Rate this question:
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- 50.
Indication for the use of fluoride mouthwash are:
- A.
Patients ≥ 8 years with high caries activity
- B.
Patients with orthodontic appliances + dry mouth (xerostomia)
- C.
Patients with developing root caries
- D.
ទាំងអស់ខាងលើ
Correct Answer
A. Patients ≥ 8 years with high caries activityExplanation
The correct answer is "Patients ≥ 8 years with high caries activity." This is because fluoride mouthwash is recommended for individuals who are at a higher risk of developing dental caries (tooth decay). Children above the age of 8 who have a high caries activity are more prone to tooth decay and can benefit from the use of fluoride mouthwash to strengthen their tooth enamel and prevent cavities.Rate this question:
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