Test One Materials

Question 1

What motion should be used with Hedstrom files?

Answer 1

Rasping/filing

Question 2

What is the name of the file that is used to remove the pulp and pulpal tissue?

Answer 2

Barbed broach

Question 3

What is the purpose of K files?

Answer 3

To plane and smooth the surfaces of the canals

Question 4

What is the purpose of Hedstrom files?

Answer 4

To remove old root fillings and occasionally to plane the surfaces of the canals

Question 5

What four liquids does the lentulo spiral aid in placing?

Answer 5

1. CaOH, 2. Cements, 3. Sealers and 4. Pastes

Question 6

What sizes of Gates Glidden drills are used?

Answer 6

2-#4 (.7 - 1.1 mm)

Question 7

What is the name given of the angle that the cutting edge makes with the long axis of the file?

Answer 7

Helix Angle

Question 8

What is the name given of the angle that the cutting edge makes with the perpendicular cross-section of the file?

Answer 8

Rake Angle

Question 9

What is the name of the file that expands inside the tooth to match its internal dimensions, but didn’t work well on the market?

Answer 9

Self-adapting file

Question 10

What are the four purposes of files?

Answer 10

1. Canal negotiation, 2. canal debridement, 3. length determination and 4. canal shaping

Question 11

What are the five goals of access openings?

Answer 11

1. Remove all caries, 2. Conserve tooth structure, 3. Unroof/remove pulp, 4. Locate canal orifices and 5. Direct line access

Question 12

What shape should your basic outline form be for anteriors, cuspids, maxillary molars and mandibular molars?

Answer 12

Ovoid, ovoid, triangular and rhomboid respectively

Question 13

What are the chances of having two canals in the mandibular incisors?

Answer 13

30-40%

Question 14

What are the odds of finding two canals in a mandibular canine?

Answer 14

3-6 %

Question 15

What are the odds of having more than one canal in the maxillary first premolar?

Answer 15

2 canals - 60-80%, 3 canals - 6%

Question 16

What are the odds of having one canal in the maxillary second premolar?

Answer 16

1 canal - 80-90%

Question 17

What are the odds of having more than one canal in the mandibular first premolar?

Answer 17

1 canal - 75%, 2 canals - 25% and 3 canals - 1%

Question 18

What are the odds of having more than one canal in the mandibular second premolar?

Answer 18

1 canal - 85%, 2 canals - 15%

Question 19

What are the odds of having more than one canal in the mandibular mesial root of the mandibular first molar?

Answer 19

2 canals - 70-80%

Question 20

What are the odds of having more than one canal in the mandibular distal root of the mandibular first molar?

Answer 20

2 canals - 15-30%

Question 21

What is it called when a mandibular molar has a third root?

Answer 21

Radix entomolaris

Question 22

What are the odds of having more than one canal in the mandibular distal root of the mandibular second molar?

Answer 22

2 canals - 5-8%

Question 23

What are Brassler scouts used for?

Answer 23

Tight, calcified canals or curved canals

Question 24

What are the two disadvantages of using chlorhexadine in irrigation?

Answer 24

1. Doesn’t dissolve smear layer and 2. doesn’t dissolve necrotic tissue

Question 25

What is the benefit of using EDTA for an irrigant?

Answer 25

Removes smear layer

Question 26

What is the downside to using phenols?

Answer 26

Toxic to cells (more so than to bacteria)

Question 27

What is the benefit to using CMCP?

Answer 27

Less tissue toxic than phenols

Question 28

What is the benefit to using Crestatin?

Answer 28

Even less toxic than phenols

Question 29

What is typically used in pulpectomies and pulpotomies to fix remaining tissue?

Answer 29

Formaldehyde

Question 30

What do corticosteroid/antibiotic combinations do?

Answer 30

Help eliminate inflammation from overinstrumentation

Question 31

What does CaOH do?

Answer 31

Antibacterial

Question 32

What is cavit?

Answer 32

Temporary material

Question 33

What are Eugenol and other essential oils used for in RCT?

Answer 33

As anodynes (painkillers) and potent antimicrobial properties

Question 34

What are two potential uses for CaOH?

Answer 34

1. Temporary obturant and 2. "Stimulate" apical root end closure

Question 35

What are two indicators for placement of CaOH2?

Answer 35

1. Necrotic pulp and 2. Following straight line access and establishing MAF

Question 36

What is frequently mixed with CaOH2?

Answer 36

Glycerin

Question 37

Schedule II controlled substances... (6)

Answer 37

1. No time limit to fill, 2. no refills, 3. no limits on quantities, 4. multiple prescriptions allowed, 5. fax okay for prep, but not dispensing and 6. emergency phone only for immediate coverage

Question 38

Schedule III-V substances... (2)

Answer 38

1. Oral, written and faxed and 2. Refills okay and by call-in

Question 39

What is found in the superscription?

Answer 39

Patient's name, address, date and Rx

Question 40

What is found in the inscription?

Answer 40

Name of drug, dose form and quantity

Question 41

What is found in the subscription?

Answer 41

Directions to pharmacist

Question 42

What is found in the transcription?

Answer 42

Directions to the patient

Question 43

What is found in the heading?

Answer 43

Name and address of patient as well as prescriber and date of prescription

Question 44

What is found in the body of a prescription?

Answer 44

Name and dosage size or concentration, amount or quantity and directions for the patient

Question 45

What three types of drugs did we learn to treat pain?

Answer 45

1. NSAIDS, 2. Narcotic/opioids, and 3. Steroids

Question 46

What two types of drugs did we learn to treat fear/anxiety?

Answer 46

1. Benzodiazepines and 2. Muscle relaxants

Question 47

What are chelators used for in endo?

Answer 47

Removing inorganic debris

Question 48

What must you avoid mixing with NaOCl?

Answer 48

Chlorhexadine

Question 49

What two chemicals should be alternated when irrigating?

Answer 49

1. NaOCl with 2. 17% EDTA

Question 50

What three things should be done to dry the canal?

Answer 50

1. Small-tip aspirator, 2. Coarse paper point and 3. Fine paper point

Question 51

What are the five types of sealers?

Answer 51

1. Zinc-oxide and eugenol base - Grossman's Sealer, 2. Resin-based, 3. CaOH-base, 4. Glass Ionomer and 5. Bioceramic