Dental Simulation Examination 1

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  • 1/100 Questions

    The most important in RCT is to seal

    • Apical 1/3
    • Middle 1/3
    • Cervical 1/3
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About This Quiz

This is Your Dental Simulation 7 from KSA
You would answer 100 items
You have 120 minutes to finish
Passing is 70%
PLEASE DON'T EXIT UNTIL YOU SEE THE ANSWERS, AND MAKE SURE TO HAVE A STRONG INTERNET CONNECTION

Dental Simulation Examination 1 - Quiz

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  • 2. 

    The dental specialty that deals with the removal of the pulp is:

    • Orthodontics

    • Periodontics

    • Oral Surgery

    • Endodontics

    • Pathology

    Correct Answer
    A. Endodontics
    Explanation
    Endodontics is the dental specialty that deals with the removal of the pulp. The pulp is the soft tissue inside the tooth that contains nerves, blood vessels, and connective tissue. Endodontists are trained to perform root canal treatments, which involve removing the infected or damaged pulp from the tooth and then sealing it to prevent further infection. This specialty focuses on saving natural teeth and relieving tooth pain, making it the correct answer for this question.

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  • 3. 

    Which of the following materials is used to take an impression?

    • Amalgam

    • Stone

    • Gypsum

    • Alginate

    • Plaster

    Correct Answer
    A. Alginate
    Explanation
    Alginate is a material commonly used in dentistry to take impressions of teeth and oral structures. It is a flexible and elastic substance that can accurately capture the shape and details of the teeth and soft tissues. Alginate is easy to mix, sets quickly, and is comfortable for the patient during the impression-taking process. It is widely used for making preliminary impressions for the fabrication of dental restorations, orthodontic appliances, and prosthetic devices.

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  • 4. 

    The functions of periodontal ligament include

    • Formative function

    • Mechanical function

    • Sensory function

    • All of the above

    Correct Answer
    A. All of the above
    Explanation
    The periodontal ligament has multiple functions, including formative, mechanical, and sensory functions. The formative function refers to its role in the formation and maintenance of the periodontal tissues. The mechanical function involves providing support and stability to the teeth, allowing them to withstand the forces of chewing and biting. The sensory function involves transmitting sensory information, such as pressure and pain, from the teeth to the brain. Therefore, all of the given options accurately describe the functions of the periodontal ligament.

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  • 5. 

    The term 'buccal' refers to:

    • The face

    • The lips

    • The cheeks

    • The tongue

    • The midline

    Correct Answer
    A. The cheeks
    Explanation
    The term 'buccal' refers to the cheeks. Buccal relates to or is located in the area of the mouth that is beside or towards the cheeks. It is commonly used in medical and dental contexts to describe procedures or conditions involving the cheeks, such as buccal medication administration or buccal mucosa.

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  • 6. 

    How many teeth are found in the primary dentition?

    • 32

    • 16

    • 8

    • 20

    • 24

    Correct Answer
    A. 20
    Explanation
    The correct answer is 20 because the primary dentition, also known as baby teeth or milk teeth, consists of 20 teeth. These teeth start to erupt around the age of 6 months and are gradually replaced by permanent teeth as the child grows. The primary dentition includes 8 incisors, 4 canines, and 8 molars, with 2 molars in each quadrant of the mouth.

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  • 7. 

    Patient on treatment with steroids are placed on antibiotics after oral surgical procedures because:

    • Antibiotics are synergistic to steriods

    • The patient is more susceptble to infection

    • Antibioitcs ingibits Herksheimer reaction

    • Antibiotics is a mixture of ants and soda

    Correct Answer
    A. The patient is more susceptble to infection
    Explanation
    Patients on treatment with steroids are placed on antibiotics after oral surgical procedures because steroids can suppress the immune system, making the patient more susceptible to infections. Antibiotics help to prevent or treat any potential infections that may arise due to the compromised immune response.

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  • 8. 

    The three classifications of ortho treatment are preventive, interceptive, and corrective.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    The statement is true because orthodontic treatment can be classified into three categories. Preventive treatment aims to prevent the development of orthodontic problems by addressing issues such as thumb sucking or tongue thrusting. Interceptive treatment is performed at an early age to address specific orthodontic issues and prevent them from worsening. Corrective treatment is the most common type of orthodontic treatment and is used to correct existing orthodontic problems such as misaligned teeth or malocclusion. Therefore, the statement is correct in stating that the three classifications of ortho treatment are preventive, interceptive, and corrective.

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  • 9. 

    Dentin composition

    • 60-65 inorganic by wgt (70% inorganic by volume)

    • 25% water by wgt (12% water by volume)

    • 43% organic by wgt (20@ organic by volume)

    Correct Answer
    A. 60-65 inorganic by wgt (70% inorganic by volume)
    Explanation
    The composition of dentin consists of 60-65% inorganic material by weight, which is equivalent to 70% inorganic material by volume. This means that the majority of dentin is made up of inorganic substances. Additionally, dentin contains 25% water by weight, which is equivalent to 12% water by volume. Finally, dentin also contains 43% organic material by weight, which is equivalent to 20% organic material by volume.

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  • 10. 

    Pulp chamber is lower 1st molar is mesially located

    • True

    • False

    Correct Answer
    A. True
    Explanation
    The pulp chamber of the lower first molar is indeed mesially located. This means that it is positioned towards the front or middle of the tooth when viewed from the occlusal (biting) surface. This is a characteristic feature of the lower first molar and can be observed in dental anatomy.

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  • 11. 

    Handicapped pt with lesion in central nervous system appears to have different type of disorders in movement and posture:

    • Seizure

    • Learning disability

    • Cerebral palsy

    Correct Answer
    A. Cerebral palsy
    Explanation
    Cerebral palsy is a neurological disorder caused by damage to the brain during development, specifically affecting movement and posture. It is characterized by impaired muscle coordination, stiffness, and involuntary movements. Seizures and learning disabilities can also be present in individuals with cerebral palsy, but they are not the primary features of the disorder. Therefore, the most appropriate answer is cerebral palsy.

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  • 12. 

    The term that refers to the total destruction of all living organisims is:

    • Disinfection

    • Catalist

    • Sterilization

    • Mofifying

    • Wipe Out

    Correct Answer
    A. Sterilization
    Explanation
    Sterilization is the correct answer because it refers to the complete elimination or destruction of all living organisms, including bacteria, viruses, and spores. This process is often used in medical and laboratory settings to ensure that equipment, instruments, and surfaces are free from any potential contaminants that could cause infection or disease. Disinfection, on the other hand, refers to the reduction of harmful microorganisms to a safe level, while catalyst, modifying, and wipe out are unrelated terms that do not pertain to the complete destruction of all living organisms.

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  • 13. 

    Most of dentin bonding material need conditioning time of

    • 15sec

    • 30sec

    • 45sec

    • 60sec

    • 90sec

    Correct Answer
    A. 15sec
    Explanation
    Most dentin bonding materials require a conditioning time of 15 seconds. This is the amount of time needed for the material to effectively bond to the dentin surface. Conditioning the dentin helps remove the smear layer and exposes the collagen fibers, allowing for better adhesion of the bonding material. A shorter conditioning time may not be sufficient to achieve a strong bond, while a longer time may lead to over-etching and potential damage to the dentin. Therefore, a conditioning time of 15 seconds is ideal for most dentin bonding materials.

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  • 14. 

    To prevent gum disease, floss and brush with a

    • Soft toothbrush

    • Medium Toothbrush

    • Hard Toothbrush

    • None of the Above

    Correct Answer
    A. Soft toothbrush
    Explanation
    Using a soft toothbrush is recommended to prevent gum disease because it is gentle on the gums and less likely to cause irritation or damage. Hard or medium toothbrushes can be too abrasive and may lead to gum recession or enamel erosion. By using a soft toothbrush, one can effectively remove plaque and debris from the teeth and gums without causing harm. Therefore, a soft toothbrush is the best choice for maintaining good oral hygiene and preventing gum disease.

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  • 15. 

    Cavity varnish should be applies at least in

    • One layer

    • Two layer

    • Three layer

    • Four layer

    Correct Answer
    A. Two layer
    Explanation
    Cavity varnish should be applied in two layers because it provides better protection and sealing of the cavity. The first layer acts as a base, creating a smooth surface and promoting adhesion of the subsequent layers. The second layer ensures complete coverage and enhances the longevity of the varnish. Applying only one layer may not provide sufficient protection, while applying more than two layers may lead to excessive thickness and potential complications. Therefore, two layers of cavity varnish are recommended for optimal results.

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  • 16. 

    The tooth surface closest to the midline is:

    • Lingual

    • Facial

    • Buccal

    • Distal

    • Mesial

    Correct Answer
    A. Mesial
    Explanation
    The tooth surface closest to the midline is called the mesial surface. It refers to the surface of a tooth that is towards the front of the mouth, facing towards the midline. This surface is typically adjacent to the neighboring tooth in the same arch.

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  • 17. 

    To clean the biting or chewing surfaces of the teeh, hold the bristles so they are

    • Straight up

    • Slightly to the right

    • Straight down

    • Slightly to the left

    Correct Answer
    A. Straight down
    Explanation
    To clean the biting or chewing surfaces of the teeth effectively, it is recommended to hold the bristles of the toothbrush straight down. This position allows the bristles to make direct contact with the teeth, ensuring thorough cleaning. Holding the bristles straight down also helps in reaching the deep grooves and crevices on the biting surfaces, where food particles and plaque tend to accumulate. It allows for better control and maneuverability while brushing, resulting in a more comprehensive and efficient cleaning process.

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  • 18. 

    Brushing with             toothpaste at least twice a day is most important in preventing dental decay. 

    • Whitening

    • Tartar control

    • Sensitive

    • Fluoride

    Correct Answer
    A. Fluoride
    Explanation
    Brushing with toothpaste that contains fluoride at least twice a day is most important in preventing dental decay. Fluoride is a mineral that helps to strengthen tooth enamel and make it more resistant to acid attacks from bacteria in the mouth. It also helps to reverse early signs of tooth decay. Therefore, using a fluoride toothpaste regularly can help protect teeth and prevent cavities.

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  • 19. 

    An 18 year old patient comes complaining of pain, bad breath and bleeding gingival.  This began over the weekend while studying for final examination.  The patient may have which of the following conditions

    • Acute necrotizing ulcerative gingivitis

    • Making this up to skip school

    • Rapidly progressive periodontiti

    • Desquamative gingivitis

    • Acute periodontal cyst

    Correct Answer
    A. Acute necrotizing ulcerative gingivitis
    Explanation
    The patient's symptoms of pain, bad breath, and bleeding gingival, along with the onset over the weekend while studying for exams, suggest a diagnosis of acute necrotizing ulcerative gingivitis. This condition is characterized by painful, inflamed gums with ulceration and necrosis. Stress and poor oral hygiene can contribute to the development of this condition, which is commonly seen in young adults. The other options, such as making up to skip school or acute periodontal cyst, do not align with the patient's symptoms and history.

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  • 20. 

    Which tooth has a fifth cusp called the Cusp of Carabelli?

    • Maxillary 1st Bicuspid

    • Maxillary 1st Molar

    • Maxillary 2nd Molar

    • Mandibular 1st Bicuspid

    • Mandibular 1st Molar

    Correct Answer
    A. Maxillary 1st Molar
    Explanation
    The Maxillary 1st Molar is the tooth that has a fifth cusp called the Cusp of Carabelli.

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  • 21. 

    Best pontic is

    • Hygienic

    • Ridge lap

    • Saddle

    Correct Answer
    A. Hygienic
    Explanation
    The best pontic is hygienic because it promotes oral health and prevents the accumulation of bacteria and plaque. A hygienic pontic is easy to clean and maintain, reducing the risk of infections and gum disease. It also ensures proper oral hygiene practices can be carried out effectively, contributing to overall oral health and well-being.

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  • 22. 

    For the best results when using an elastomeric impression material, the prepared tooth should be

    • Very dry

    • Free of surface moisture

    • Covered thinly with water-soluble lubricant

    • Covered with a surface tension reducing agent and air dried

    • Fomented with hot compresses

    Correct Answer
    A. Free of surface moisture
    Explanation
    80

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  • 23. 

    A bump found on the crown of a tooth is called:

    • Primary groove

    • Fissure

    • Pit

    • Cusp

    • Cervix

    Correct Answer
    A. Cusp
    Explanation
    A bump found on the crown of a tooth is called a cusp. A cusp is a raised point or elevation on the surface of a tooth that helps in the process of chewing and grinding food. It is typically found on the molars and premolars, which have multiple cusps to aid in the efficient breakdown of food particles. Cusps play a vital role in the overall function of the teeth and their proper alignment during the chewing process.

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  • 24. 

    Nerve impulse stops when injecting local anesthesia

    • True

    • False

    Correct Answer
    A. True
    Explanation
    When injecting local anesthesia, the nerve impulse stops because local anesthesia works by blocking the transmission of nerve signals. It does this by temporarily inhibiting the function of nerve fibers, preventing them from sending impulses to the brain. This interruption in nerve impulse transmission results in the numbing effect experienced after receiving local anesthesia. Therefore, the statement "nerve impulse stops when injecting local anesthesia" is true.

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  • 25. 

    The band of connective tissue found next to the bicuspids and lips is called:

    • Frenum

    • Mucosa

    • Labia

    • Alveolar ridge

    • Tuberosity

    Correct Answer
    A. Frenum
    Explanation
    The correct answer is Frenum. A frenum is a band of connective tissue that is found next to the bicuspids and lips. It helps to stabilize and support the lips and cheeks.

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  • 26. 

    Dr. Edward H. Angle believed the key to occlusion was the?

    • 1st Molar

    • Canines

    • 2nd Molar

    • 3rd Molar

    Correct Answer
    A. 1st Molar
    Explanation
    Dr. Edward H. Angle believed that the key to occlusion, which refers to the alignment and positioning of the teeth when the jaws are closed, was the 1st Molar. This is because the 1st Molar is the first permanent tooth to erupt in the mouth and plays a crucial role in establishing the proper bite relationship between the upper and lower teeth. It acts as a reference point for determining the correct positioning of the other teeth and ensuring a stable and functional bite.

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  • 27. 

    Light curing time for simple shallow class III composite

    • 10 sec

    • 15 sec

    • 20 sec

    • 40 sec

    Correct Answer
    A. 20 sec
    Explanation
    The correct answer is 20 sec. This is because the light curing time for a simple shallow class III composite restoration typically ranges from 20 to 40 seconds. This is the amount of time needed for the light to adequately cure and harden the composite material, ensuring a strong and durable restoration. Curing for too short a time may result in an incomplete cure, while curing for too long may cause overheating and damage to the surrounding tooth structure. Therefore, 20 seconds is the recommended time for optimal results.

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  • 28. 

    The most common sites of mouth cancer are

    • Teeth and gums

    • Tongue and floor

    • Roof of the mouth

    • Gums and tongue

    Correct Answer
    A. Tongue and floor
    Explanation
    Mouth cancer commonly occurs on the tongue and floor of the mouth. These areas are particularly susceptible to developing cancer due to their exposure to various risk factors such as tobacco use, excessive alcohol consumption, and viral infections like human papillomavirus (HPV). The tongue and floor of the mouth have a high concentration of cells and are constantly in contact with food and other substances, making them more prone to damage and the development of cancerous cells. Regular self-examinations and dental check-ups are important for early detection and treatment of mouth cancer in these areas.

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  • 29. 

    Artificial teeth best to be selected by

    • Postextraction cord

    • Preextraction cord

    Correct Answer
    A. Preextraction cord
  • 30. 

    The portion of the tooth that is visible in the mouth is called the:

    • Cusp

    • Anatomic Crown

    • Tooth

    • Clinical Crown

    • Enamel

    Correct Answer
    A. Clinical Crown
    Explanation
    The clinical crown refers to the part of the tooth that is visible in the mouth above the gum line. It is the portion of the tooth that can be seen when we smile or open our mouths. This term is used to differentiate it from the anatomic crown, which includes the entire tooth structure, including the part that is hidden beneath the gums. The clinical crown is important in dental treatments and procedures as it determines the amount of tooth structure available for restorations such as crowns or veneers.

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  • 31. 

    Which teeth are not found in primary dentition?

    • Molars

    • Cuspids

    • Bicuspids

    • Incisors

    • Laterals

    Correct Answer
    A. Bicuspids
    Explanation
    Bicuspids are not found in primary dentition. Primary dentition, also known as baby teeth or milk teeth, consists of incisors, cuspids (also known as canines), and molars. Bicuspids, also known as premolars, are permanent teeth that replace the primary molars. Therefore, they are not present in primary dentition.

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  • 32. 

    Composite for posterior teeth

    • Microfilled + fine filler

    • Hybrid + rough filler

    • Microfilled + rough filler

    Correct Answer
    A. Hybrid + rough filler
    Explanation
    The correct answer is "hybrid + rough filler." Hybrid composite is a type of composite material that combines the benefits of microfilled and macrofilled composites. It has a higher filler content, making it stronger and more wear-resistant than microfilled composites. The rough filler in hybrid composites provides better adhesion to the tooth structure, ensuring long-lasting restorations. Therefore, the combination of hybrid composite with rough filler is the most suitable option for posterior teeth restorations.

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  • 33. 

    Chemicomechanical loss of tooth tissue is termed as

    • Erosion

    • Abrasion

    • Attrition

    • Decalcifcation

    Correct Answer
    A. Erosion
    Explanation
    Erosion refers to the chemicomechanical loss of tooth tissue. It occurs when acids, such as those found in certain foods and beverages, dissolve the enamel and dentin of the teeth. This can lead to the thinning and weakening of the tooth structure, causing sensitivity and an increased risk of cavities. Unlike abrasion, which is caused by mechanical forces like toothbrushing, erosion is primarily caused by chemical factors. Attrition refers to the natural wearing down of teeth due to normal chewing and biting, while decalcification refers to the loss of minerals from the tooth enamel, often caused by acid-producing bacteria.

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  • 34. 

    The hardest tissue in the body is:

    • Bone

    • Cementum

    • Dentin

    • Enamel

    • Pulp

    Correct Answer
    A. Enamel
    Explanation
    Enamel is the hardest tissue in the body. It is the outermost layer of the tooth and provides protection to the underlying structures. Enamel is composed of hydroxyapatite crystals, which make it extremely strong and resistant to wear and tear. It is harder than bone, cementum, dentin, and pulp, which are also components of the tooth structure.

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  • 35. 

    The pt gingiva is described as pink , firm and stippled; however he complains of "bleeding gums" and bleeds upon probing.  Which of the following statements is NOT true ?

    • Inflammation must still remain in the deeper tissues

    • The disease must be chronic in nature

    • The probing was done too vigorously

    • None of the above

    Correct Answer
    A. The probing was done too vigorously
    Explanation
    The correct answer is "The probing was done too vigorously." This is because bleeding upon probing is a sign of inflammation in the gingiva, indicating that there is an underlying issue causing the bleeding. The statement suggests that the bleeding is due to the probing technique being too forceful, but in reality, the bleeding is a result of inflammation and not the probing itself.

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  • 36. 

    For a more rigid structure, a base-metal partial denture alloy should be selected rather than a Type IV gold because the alloy has a

    • Lower elongation

    • Higher modulus of elasticity

    • More favorable tensile strength

    • Higher hardness number

    • Higher ductility

    Correct Answer
    A. Higher modulus of elasticity
    Explanation
    48

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  • 37. 

    Polyvinyle siloxane compared with polysulfide

    • Can be poured more than once

    • Can be poured after 7 days

    • Less dimensional stability

    • Hysterical

    Correct Answer
    A. Can be poured after 7 days
    Explanation
    Polyvinyl siloxane is a type of impression material used in dentistry. Compared to polysulfide, it can be poured after 7 days. This means that after taking an impression, the polyvinyl siloxane material can be left for 7 days before pouring a cast or model from it. This is advantageous because it allows for more flexibility in the dental workflow, as the dentist can take multiple impressions and pour the casts at a later time. Polysulfide, on the other hand, may require immediate pouring after taking the impression.

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  • 38. 

    For a MORE rigid structure, a base-metal partial denture alloy should be selected rather than a Type IV gold because the alloy has a

    • Lower elongation

    • Higher modulus of elasticity

    • More favorable tensile strength

    • Higher hardness number

    Correct Answer
    A. Higher modulus of elasticity
    Explanation
    A higher modulus of elasticity means that the material is stiffer and less flexible. In the context of a denture alloy, this means that it will provide a more rigid structure. Therefore, selecting a base-metal partial denture alloy with a higher modulus of elasticity is preferable compared to a Type IV gold, which would be more flexible.

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  • 39. 

    The area (bump) found just behind the upper 3rd molar is called:

    • Alveolar ridge

    • Tuberosity

    • Retro Molar Pad

    • Foramen

    • Alveolar socket

    Correct Answer
    A. Tuberosity
    Explanation
    The area (bump) found just behind the upper 3rd molar is called the tuberosity. The tuberosity is a rounded prominence of bone that provides support and stability to the upper denture. It helps to distribute the chewing forces evenly and prevents the denture from dislodging during eating or speaking.

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  • 40. 

    An example of an instrument used to carve tooth anatomy in a restorationis:

    • Cleoid discoid

    • Hatchet

    • Chisel

    • Woodson Plastic Instrument

    • Hoe

    Correct Answer
    A. Cleoid discoid
    Explanation
    The cleoid discoid is a dental instrument that is commonly used to carve tooth anatomy in a restoration. It has a spoon-shaped working end with two different sizes, one larger and one smaller, allowing for versatility in carving different areas of the tooth. The larger end is used for gross carving and removal of excess material, while the smaller end is used for finer, more detailed carving. This instrument is essential for achieving proper tooth morphology and contour in dental restorations.

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  • 41. 

    The lifting of a mandibular partial deture with distal extension bases may be corrected by

    • Narrowing the teeth

    • Reducing overextended borders

    • Tightening the brace arms

    • Tightening the retention arms

    Correct Answer
    A. Reducing overextended borders
    Explanation
    The correct answer is reducing overextended borders. When a mandibular partial denture with distal extension bases is lifted, it means that the denture is not fitting properly and is causing discomfort or instability. One possible cause for this is overextended borders, where the borders of the denture extend beyond the natural boundaries of the mouth. By reducing these overextended borders, the denture can be adjusted to fit properly and provide better stability and comfort for the patient. Narrowing the teeth, tightening the brace arms, and tightening the retention arms are not relevant to correcting this specific issue.

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  • 42. 

    The setting time of a zinc oxide-eugenol impression paste may BEST be accelerated by

    • Adding a drop of water to the mix

    • Adding a drop of oleic acid to the mix

    • Increasing the amount of zinc oxide

    • Chilling the mixing slab and the spatula

    Correct Answer
    A. Adding a drop of water to the mix
    Explanation
    47 g

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  • 43. 

    Root canal therapy was completed on tooth #14 and the crown was restored with a gold onaly 2 weeks ago.  The pt is now complaining that the tooth feels long and hurts when he bites.  He cannot chew on that side.  Evaluation of the circumstances should begin with:

    • Thermal testing

    • Percussing the tooth

    • Radio graphic exam

    • Electric pulp testing

    Correct Answer
    A. Percussing the tooth
    Explanation
    288

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  • 44. 

    The correct number identification in the universal system for the upper left 2nd molar is:

    • 2

    • 18

    • 14

    • 31

    • 15

    Correct Answer
    A. 15
    Explanation
    In the universal system for tooth identification, each tooth is assigned a specific number. The upper left 2nd molar is identified by the number 15.

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  • 45. 

    Mercury vaporization is an amalgam restorative procedure utilizing well-sealed, premeasured capsules is MOST likely to occur during

    • Mulling

    • Carving

    • Condensation

    • Trituration

    • High-speed evacuation

    Correct Answer
    A. Condensation
    Explanation
    During the condensation phase of an amalgam restorative procedure, the well-sealed, premeasured capsules containing mercury are mixed with alloy particles. This mixing process, known as trituration, can cause the mercury to vaporize. Therefore, the correct answer is condensation.

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  • 46. 

    Brush no more than

    • 1 time a day

    • 2 times a day

    • 3 times a day

    • 4 times a day

    Correct Answer
    A. 3 times a day
    Explanation
    Brushing your teeth three times a day is the recommended practice for maintaining good oral hygiene. This frequency allows for the removal of plaque and food particles that can lead to tooth decay and gum disease. Brushing after meals helps to prevent the build-up of bacteria and keeps your breath fresh. However, brushing more than three times a day may cause damage to your tooth enamel and gums, as excessive brushing can be abrasive. Therefore, it is important to strike a balance and brush your teeth three times a day for optimal oral health.

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  • 47. 

    Facial nurve supply:

    • Less than 6 blades

    • 6-7 blades

    • 10-12 blades

    • More than 12 blades

    Correct Answer
    A. More than 12 blades
  • 48. 

    Which type of dental cement isused to 8irritate the dentin and stimulate the growth of secondary dentin?

    • Lining Base

    • Insulating Base

    • Amalgam

    • Varnish

    • Composite

    Correct Answer
    A. Lining Base
    Explanation
    A lining base is a type of dental cement that is used to irritate the dentin and stimulate the growth of secondary dentin. This is done to protect the pulp and promote healing. The irritant properties of the lining base encourage the dentin to produce more dentin, which helps to strengthen and protect the tooth. This is especially useful in cases where the tooth has been damaged or is at risk of further damage.

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  • 49. 

    During examination of an edentulous patient wearing old dentures, the tissues under the denture base appear unusually hypermic with small petechial hemorrhages present.  This condition most likely results from the patient's

    • Clenching his teeth

    • Thermal expansion of the parts

    • Uniform application of heat

    • Thermal contraction of the parts

    • Cleansing of the parts

    Correct Answer
    A. Thermal expansion of the parts
    Explanation
    GR 26

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  • Mar 22, 2023
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