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DEN 7220 Endodontics > Endodontic Instruments and Supplies > Flashcards

Endodontic Instruments and Supplies Flashcards

1
Q

What diagnostic equipment is needed in endodontics?

A
  • Appropriate radiographs/CBCT
  • Pulp testing equipment
  • Mirror, explorer, cotton pliers
  • Tooth slooth (bite)
  • Trans-illuminator (cracks)
  • Perio probe
  • Cotton rolls/2x2 gauze for isolation
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2
Q

Profound ____ is critical

A

Anesthesia

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3
Q

Supplemental injections that can be done in addition to blocks/infiltration

A
  • PDL (Ligajet)
  • X-tip/Stabident (intraosseous)
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4
Q

____ of the field is essential during RCT field

A

Isolation

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5
Q

Isolation allows for protection from ____ and prevents ____

A

Aspiration; saliva/bacterial contamination of canal system

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6
Q

You can use ____ or other sealing material in conjunction with rubber dam to help prevent ____

A

Kool-Dam; Saliva contamination

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7
Q

____ is the standard of care

A

Rubber dam

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8
Q

Performing a root canal without a rubber dam is considered to be ____

A

Malpractice

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9
Q

What materials are used for endodontic access?

A
  • High speed handpiece
  • Slow speed handpiece
  • Endodontic explorer
  • Mirror, spoon excavator
  • Magnification
  • Knowledge of dental anatomy
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10
Q

Which burs fit into the high speed handpiece?

A
  • # 4/#6 round bur
  • # 557
  • Endo Z bur
  • Diamonds for access through porcelain/PFM crowns
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11
Q

Which burs fit into the slow speed handpiece?

A
  • Surgical length rounds
  • Munce discovery burs
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12
Q

What does ISO stand for?

A

International Standards Organization

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13
Q

What does ANSI stand for?

A

American National Standards Institute

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14
Q

What does FDI stand for?

A

Federation Dentair Internationale

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15
Q

What instruments are used for cleaning and shaping?

A
  • NiTi files with motor
  • Hand files
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16
Q

Examples of hand files

A
  • K-files (square cross section)
  • Flexofiles (triangular cross sections)
  • Hedstrom (circular cross section)
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17
Q

Stainless steel hand files are used for initial instrumentation to:

A
  • Navigate canal anatomy and obtain patency
  • Establish a glide path
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18
Q

What are rotary files used for?

A

Used to enlarge the canal space to allow irritants down the canal end

19
Q

GT 20/.12 is a special ____ used to ____

A

Rotary file; open a tight canal orifice

20
Q

What is the Vortex 25/.08 used for?

A

Special rotary file used to open the coronal 1/3 of canal orifice

21
Q

6 Endodontic Color Code

A

Pink

22
Q

8 Endodontic Color Code

A

Gray

23
Q

10 Endodontic Color Code

A

Purple

24
Q

What is the endodontic color code for white?

A

15 and #45

25
Q

What is the endodontic color code for yellow?

A

20 and #50

26
Q

What is the endodontic color code for red?

A

25 and 55

27
Q

What is the endodontic color code for blue?

A

30 and #60

28
Q

What is the endodontic color code for green?

A

35 and #70

29
Q

What is the endodontic color code for black?

A

40 and #80

30
Q

A #15 file has a tip diameter of:

A

0.15mm

31
Q

A #140 file has a tip diameter of ____

A

1.4mm

32
Q

Cutting portion of endodontic file is ____

A

16mm

33
Q

File taper determines the rate of ____

A

Diameter increase

34
Q

____ is often used in emergency treatment to remove pulp tissue from large canals

A

Barbed broach

35
Q

True or false: You can touch or bind against canal walls with a barbed broach

A

False

36
Q

You can use a barbed broach to remove ____ from access cavity

A

Cotton pellet

37
Q

What is the only irrigant that can dissolve vital and necrotic tissue?

A

Sodium hypochlorite

38
Q

Vital tissue takes about ____ to dissolve

A

30 minutes

39
Q

____% sodium hypochlorite is commonly use and household bleach is stronger of weaker?

A

3-6: stronger and should be dilated

40
Q

pH of sodium hypochlorite

A

12-13

41
Q

To administer sodium hypochlorite, use a ____ needle

A

Side-vented irrigation needle

42
Q

Should you bind irrigation needle in canal?

A

NEVER

43
Q
A
44
Q
A

DEN 7220 Endodontics (2 decks)

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