Armamentarium Flashcards
What is the number of the endo explorer?
-DG16
What do you use a glick #1 spreader for?
-Melt gutta-percha
What are spreaders used for?
-To make room for additional gutta percha points
What are the advantages of a finger spreader?
-Pressure and compression laterally and vertically
What is the obturation process?
-Filling the root canals
Why do you use hemostats in endodontics?
-Holding radiographic film
What is the main irrigant used in endo?
-Sodium Hypo-chloride
What three things do you use for irrigation in endo?
- EDTA
- Alcohol
- Sodium hypo-chloride
How are K files made?
- Stainless steel
- Nickel Titanium
How are Hedstrom files made?
-Stainless steel
How are reamer files made?
- Stainless steel
- Some Nickel Titanium
If you cut a K file cross sectionally what are you going to see?
-A square
If you take a triangular blank and twist it what type of file do you get?
-Reamer
How do you make a hedstrom file?
-A round blank
What is the weakest of all the files used in endo?
-Hedstrom file
These files are manufactured by machine grinding a round wire?
-Hedstrom
T/F Hedstrom files should only be used in a rasping motion and should never be rotated or engaged into dentin.
T/F
If you take a diamond blank and twist it what type of file do you get?
-Flexo file
What are reamers made for?
-To rotate
What is the barbed broach for?
- Pull the pulp out
- pull the cotton pellet out
-What does a lentulo spiral used for?
-Push down sealers and cements down canals
What are the Gates Glidden drill sizes?
- .5 (at the belly for all the following)
- .7
- .9
- 1.1
- 1.3
- 1.5
How many sizes of gates glidden drill sizes are there?
-6
What do the rings on the gates mean?
-What number of gates it is example #1 = .5
What do you use that gates glidden drill do?
-Open orifices in canal
What is a good property of nickel titanium?
-Super elastic
What is the purpose of the reamers?
Enlarge the size of the root canals and to negotiate the canals to their apices
What is the purpose of K files?
-Used to plane and smooth the walls of the canal
What are the purpose of hedstrom files?
-Used to remove old root fillings and to plane the walls of the canal
What is the rake angle on a hedstrom file?
-Positive (much sharper than the negative)
What endo files are red?
- 25
- 55
- 110
What endo files are yellow?
- 20
- 50
- 100
What endo files are white?
- 15
- 45
- 90
What endo files are black?
- 40
- 80
- 140
What endo files are green?
- 35
- 70
- 130
What endo files are blue?
- 30
- 60
- 120
What endo file is purple?
-10
If you have a #20 file with an 02 taper what width will you be at 3 mm up the file?
-.26 mm
If you have a #20 file with an 04 taper what width will you be at 3 mm up the file?
-.32 mm
How long is the cutting length of every endo file?
-16 mm
What are the uses for a file?
- Canal negotiation
- Canal debridement
- Length determination
- Canal Shaping
