Radiography Materials and Anesthetic SESSION 4 DENTALELLE TUTORING

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

What describes the anode? A. Aluminum B. Low voltage circuit C. Focusing cup D. Source of x-rays DENTALELLE TUTORING - WWW. DENTALELLE. COM 2

Answer A. 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. DENTALELLE TUTORING - WWW. DENTALELLE. COM 3

Where is the molybdenum focusing cup? A. The anode B. The cathode C. In the filter D. In the collimator DENTALELLE TUTORING - WWW. DENTALELLE. COM 4

Answer A. The anode B. The cathode C. In the filter D. In the collimator DENTALELLE TUTORING - WWW. DENTALELLE. COM 5

Page 16 in your textbook DENTALELLE TUTORING - WWW. DENTALELLE. COM 6

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 DENTALELLE TUTORING - WWW. DENTALELLE. COM 7

Answer A. 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 DENTALELLE TUTORING - WWW. DENTALELLE. COM 8

Where would you see the external auditory meatus? A. Bitewing B. PA C. Pan D. A and C DENTALELLE TUTORING - WWW. DENTALELLE. COM 9

Answer A. Bitewing B. PA C. Pan D. A and C DENTALELLE TUTORING - WWW. DENTALELLE. COM 10

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 DENTALELLE TUTORING - WWW. DENTALELLE. COM 11

Answer A. 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 DENTALELLE TUTORING - WWW. DENTALELLE. COM 12

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 DENTALELLE TUTORING - WWW. DENTALELLE. COM 13

Answer 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 K or L shells are AT or NEAR nucleus. P or Q shells are outer shells DENTALELLE TUTORING - WWW. DENTALELLE. COM 14

Which is found on a PAN and an INTRA FILM? A. External auditory meatus B. Cervical spine C. Hyoid bone D. Coronoid process DENTALELLE TUTORING - WWW. DENTALELLE. COM 15

Answer A. External auditory meatus B. Cervical spine C. Hyoid bone D. Coronoid process DENTALELLE TUTORING - WWW. DENTALELLE. COM 16

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 DENTALELLE TUTORING - WWW. DENTALELLE. COM 17

Answer 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 DENTALELLE TUTORING - WWW. DENTALELLE. COM 18

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 DENTALELLE TUTORING - WWW. DENTALELLE. COM 19

Answer 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 (you want the patient to place their tongue on the ROOF of the mouth) **NO THYROID collar or it will disrupt the film DENTALELLE TUTORING - WWW. DENTALELLE. COM 20

During amalgam polishing, what produces the largest biological effect? A. Odor B. Heat C. Debris D. Mercury DENTALELLE TUTORING - WWW. DENTALELLE. COM 21

Answer A. Odor B. Heat C. Debris D. Mercury Heat could cause pulpal damage and release mercury * not good! DENTALELLE TUTORING - WWW. DENTALELLE. COM 22

What is an advantage of an indirect restoration? A. Costs less B. Fewer materials C. Less chair time D. Optimal restoration DENTALELLE TUTORING - WWW. DENTALELLE. COM 23

Answer A. Costs less B. Fewer materials C. Less chair time D. Optimal restoration Usually costs MORE, MORE materials and MORE chair time . DENTALELLE TUTORING - WWW. DENTALELLE. COM 24

Which has the greatest tensile strength? A. Composite B. Zinc Phosphate Cement C. Gold D. Amalgam DENTALELLE TUTORING - WWW. DENTALELLE. COM 25

Answer A. 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. DENTALELLE TUTORING - WWW. DENTALELLE. COM 26

How do you disinfect alginate? A. In sodium hypochlorite B. In alcohol C. Spray with glutaraldehyde D. Disinfecting wipe DENTALELLE TUTORING - WWW. DENTALELLE. COM 27

Answer A. 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. DENTALELLE TUTORING - WWW. DENTALELLE. COM 28

What is the another name for the hurricaine gel? A. Benzocaine B. Lidocaine C. Tetracaine D. Local anesthetic DENTALELLE TUTORING - WWW. DENTALELLE. COM 29

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 DENTALELLE TUTORING - WWW. DENTALELLE. COM 30

What is a long acting anesthetic? A. Lidocaine B. Prilocaine C. Articaine D. Bupivacaine DENTALELLE TUTORING - WWW. DENTALELLE. COM 31

Answer A. Lidocaine B. Prilocaine C. Articaine D. Bupivacaine DENTALELLE TUTORING - WWW. DENTALELLE. COM 32

Oraqix DENTALELLE TUTORING - WWW. DENTALELLE. COM 33

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 DENTALELLE TUTORING - WWW. DENTALELLE. COM 34

Answer A. 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 DENTALELLE TUTORING - WWW. DENTALELLE. COM 35

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 DENTALELLE TUTORING - WWW. DENTALELLE. COM 36

Answer A. Relative contraindication to amides B. When anesthetic is administered in longer doses C. When anesthetic is administered too fast D. Cyanosis occurs DENTALELLE TUTORING - WWW. DENTALELLE. COM 37

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 DENTALELLE TUTORING - WWW. DENTALELLE. COM 38

ANSWER 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 (yellow SHARPS container) DENTALELLE TUTORING - WWW. DENTALELLE. COM 39