Radiography, Materials and Anesthetic SESSION 4 DENTALELLE TUTORING - 1.
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Transcript of Radiography, Materials and Anesthetic SESSION 4 DENTALELLE TUTORING - 1.
DENTALELLE TUTORING - WWW.DENTALELLE.COM 1
Radiography, Materials and AnestheticSESSION 4
DENTALELLE TUTORING - WWW.DENTALELLE.COM 2
What describes the anode?A. Aluminum
B. Low voltage circuit
C. Focusing cup
D. Source of x-rays
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AnswerA. Aluminum
B. Low voltage circuit
C. Focusing cup
D. Source of x-rays
The anode is inside the x-ray tube and made of copper rod with tungsten metal target.
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Where is the molybdenum focusing cup?
A. The anode
B. The cathode
C. In the filter
D. In the collimator
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AnswerA. The anode
B. The cathode
C. In the filter
D. In the collimator
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Page 16 in your textbook
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How do you achieve the anatomic accuracy of an image?
A. Focal spot size
B. Objective-film distance
C. Source-object distance
D. Object-film parallelism
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AnswerA. Focal spot size
B. Objective-film distance (there is such a thing as OBJECT-film distance but NOT objective)
C. Source-object distance
D. Object-film parallelism
Paralleling technique – using the RINN equipment is the most accurate
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Where would you see the external auditory meatus?
A. Bitewing
B. PA
C. Pan
D. A and C
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AnswerA. Bitewing
B. PA
C. Pan
D. A and C
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Where does the central ray need to be?
A. Parallel to the teeth and film
B. Perpendicular to the teeth and film
C. Client specific
D. Behind the mandibular tori if present
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AnswerA. Parallel to the teeth and film – THIS is where you place the FILM in the mouth
B. Perpendicular to the teeth and film – where the CENTRAL RAY needs to be for the bisecting technique
C. Client specific
D. Behind the mandibular tori if present
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What is bremsstrahlung radiation?
A. Radiation produced by outer shells
B. Photons at or near nucleus of target atoms
C. Minor source of particle energy generated
D. Thermal energy
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AnswerA. Radiation produced by outer shells
B. Photons at or near nucleus of target atoms
C. Minor source of particle energy generated
D. Thermal energy
K or L shells are AT or NEAR nucleus. P or Q shells are outer shells
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Which is found on a PAN and an INTRA FILM?
A. External auditory meatus
B. Cervical spine
C. Hyoid bone
D. Coronoid process
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AnswerA. External auditory meatus
B. Cervical spine
C. Hyoid bone
D. Coronoid process
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How do you correct overlapping?A. Increase vertical angulation
B. Place the film MORE parallel
C. Direct the horizontal angle
D. Decrease the positive vertical angle and move x-ray beam more posterior
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AnswerA. Increase vertical angulation
B. Place the film MORE parallel
C. Direct the horizontal angle
D. Decrease the positive vertical angle and move x-ray beam more posterior
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Which is NOT helpful when taking a PAN?
A. Placing the occlusal plane parallel to floor
B. Lead apron goes on the back of the patient
C. Patient stands “tall”
D. Patients tongue is placed on the floor of the mouth
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AnswerA. Placing the occlusal plane parallel to floor
B. Lead apron goes on the back of the patient
C. Patient stands “tall”
D. Patients tongue is placed on the floor of the mouth (you want the patient to place their tongue on the ROOF of the mouth)
**NO THYROID collar or it will disrupt the film
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During amalgam polishing, what produces the largest biological effect?
A. Odor
B. Heat
C. Debris
D. Mercury
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AnswerA. Odor
B. Heat
C. Debris
D. Mercury
Heat could cause pulpal damage and release mercury * not good!
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What is an advantage of an indirect restoration?
A. Costs less
B. Fewer materials
C. Less chair time
D. Optimal restoration
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AnswerA. Costs less
B. Fewer materials
C. Less chair time
D. Optimal restoration
Usually costs MORE, MORE materials and MORE chair time .
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Which has the greatest tensile strength?
A. Composite
B. Zinc Phosphate Cement
C. Gold
D. Amalgam
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AnswerA. Composite
B. Zinc Phosphate Cement
C. Gold
D. Amalgam
Metal crowns are the strongest. Zinc phosphate cement is LOW and composite/amalgam would be moderate.
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How do you disinfect alginate?A. In sodium hypochlorite
B. In alcohol
C. Spray with glutaraldehyde
D. Disinfecting wipe
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AnswerA. In sodium hypochlorite – household bleach
B. In alcohol
C. Spray with glutaraldehyde
D. Disinfecting wipe
Glutaraldehyde – stronger type of disinfectant and sterilize. ONLY sterilizes if instruments are left in the solution for 10, 12 or 24 hours.
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What is the another name for the hurricaine gel?
A. Benzocaine
B. Lidocaine
C. Tetracaine
D. Local anesthetic
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ANSWER - What is the another name for the hurricaine gel?
A. Benzocaine – the most common ingredient in any topical anesthetic
B. Lidocaine
C. Tetracaine
D. Local anesthetic
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What is a long acting anesthetic?
A. Lidocaine
B. Prilocaine
C. Articaine
D. Bupivacaine
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AnswerA. Lidocaine
B. Prilocaine
C. Articaine
D. Bupivacaine
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Oraqix
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What is the safest anesthetic if the client has allergies?
A. Ester type
B. Amide type
C. Ester and Amide type
D. None of the above
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AnswerA. Ester type
B. Amide type – if the patient is sensitive or allergy to anesthetic an AMIDE type
C. Ester and Amide type
D. None of the above
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What is malignant hyperthermia?(also called malignant hyperpyrexia)
A. Relative contraindication to amides
B. When anesthetic is administered in longer doses
C. When anesthetic is administered too fast
D. Cyanosis occurs
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AnswerA. Relative contraindication to amides
B. When anesthetic is administered in longer doses
C. When anesthetic is administered too fast
D. Cyanosis occurs
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Where do you discard the needle?
A. Cap it and it goes in the garbage
B. Wrap it in paper towel and in the garbage if your office doesn’t have a SHARPS container
C. In a red hazardous SHARPS container
D. SHARPS container
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ANSWERA. Cap it and it goes in the garbage
B. Wrap it in paper towel and in the garbage if your office doesn’t have a SHARPS container
C. In a red hazardous SHARPS container
D. SHARPS container (yellow SHARPS container)