Radiography, Materials and Anesthetic SESSION 4 DENTALELLE TUTORING - 1.

DENTALELLE TUTORING - WWW.DENTALELLE.COM 1

Radiography, Materials and AnestheticSESSION 4


What describes the anode?A. Aluminum

B. Low voltage circuit

C. Focusing cup

D. Source of x-rays


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.


Where is the molybdenum focusing cup?

A. The anode

B. The cathode

C. In the filter

D. In the collimator


AnswerA. The anode

B. The cathode

C. In the filter

D. In the collimator


Page 16 in your textbook


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


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


Where would you see the external auditory meatus?

A. Bitewing

B. PA

C. Pan

D. A and C


AnswerA. Bitewing

B. PA

C. Pan

D. A and C


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


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


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


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


Which is found on a PAN and an INTRA FILM?

A. External auditory meatus

B. Cervical spine

C. Hyoid bone

D. Coronoid process


AnswerA. External auditory meatus

B. Cervical spine

C. Hyoid bone

D. Coronoid process


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


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


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


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


During amalgam polishing, what produces the largest biological effect?

A. Odor

B. Heat

C. Debris

D. Mercury


AnswerA. Odor

B. Heat

C. Debris

D. Mercury

Heat could cause pulpal damage and release mercury * not good!


What is an advantage of an indirect restoration?

A. Costs less

B. Fewer materials

C. Less chair time

D. Optimal restoration


AnswerA. Costs less

B. Fewer materials

C. Less chair time

D. Optimal restoration

Usually costs MORE, MORE materials and MORE chair time .


Which has the greatest tensile strength?

A. Composite

B. Zinc Phosphate Cement

C. Gold

D. Amalgam


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.


How do you disinfect alginate?A. In sodium hypochlorite

B. In alcohol

C. Spray with glutaraldehyde

D. Disinfecting wipe


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.


What is the another name for the hurricaine gel?

A. Benzocaine

B. Lidocaine

C. Tetracaine

D. Local anesthetic


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


What is a long acting anesthetic?

A. Lidocaine

B. Prilocaine

C. Articaine

D. Bupivacaine


AnswerA. Lidocaine

B. Prilocaine

C. Articaine

D. Bupivacaine


Oraqix


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


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


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


AnswerA. Relative contraindication to amides

B. When anesthetic is administered in longer doses

C. When anesthetic is administered too fast

D. Cyanosis occurs


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


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)

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Radiography, Materials and Anesthetic SESSION 4 DENTALELLE TUTORING - 1.

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