Endodontic instruments

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Endodontic instruments

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Endodontic explorer

Function image

To locate opening of small canal orifice during endodontic procedure

Characteristics image

Double ended
Working end—Longer than regular Explorer to reach opening of canals

Practice note image

Endodontic Explorer is used exclusively on endodontic tray setups.

 

imageEndodontic Explorer must be cleaned, bagged individually or bagged/wrapped in a tray setup, and then sterilized. A chemical/steam indicator device should be included in the wrapping.

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Endodontic long-shank spoon excavator

Function image

To curet inside of tooth to base of pulp chamber

Characteristics image

Long shank to reach deep into cavity preparation
Double ended
Range of sizes available

Practice note image

Endodontic Long-Shank Spoon is used exclusively on endodontic tray setups.

 

imageEndodontic Long-Shank Spoon Excavator must be cleaned, bagged individually or bagged/wrapped in a tray setup, and then sterilized. A chemical/steam indicator device should be included in the wrapping.

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Endodontic locking forceps (pliers)

Function image

To grasp and lock material for transfer into and out of oral cavity

Characteristic image

Similar to regular cotton forceps except for locking mechanism to secure material on the working end of the forceps (pliers)

Practice note image

Endodontic Locking Forceps are used on endodontic tray setup and could also be used on restorative tray setups.

 

imageEndodontic Locking Forceps must be cleaned, bagged individually or bagged/wrapped in a tray setup, and then sterilized. A chemical/steam indicator device should be included in the wrapping. Hinged instruments should be processed open and unlocked.

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Photo courtesy SybronEndo, Orange, CA.

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Vitalometer/pulp tester

Function image

To test vitality of pulp in teeth

Characteristics image

Two types—Electronic, digital (digital readout)
Electric or battery operated

Practice notes image

The tester sends an impulse of electric current to the pulp, causing a reaction.
The current is increased by small increments until the patient indicates feeling a sensation.
Toothpaste is applied to the tip of the electrode to conduct electricity.
The tip is placed on the coronal part (facial or lingual) of a natural tooth.
Each root/pulp on the tooth is tested.
Vitalometer is used exclusively with endodontic tray setups.

 

imageVitalometer tip must be cleaned, bagged individually or bagged/wrapped in a tray setup, and then sterilized. A chemical/steam indicator device should be included in the wrapping. Barriers should be used on the unit and/or the manufacturer’s recommendation for sterilization of Vitalometer tip and disinfection of unit should be followed.

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Broach

Function image

To remove pulp tissue from canal(s)

Characteristics image

Working end—Barbed wire protrusions on shaft grab and remove vital or nonvital pulp fibers
Handles—Color coded according to size
Range of sizes—Diameter increases with size.

Practice note image

Broach is used exclusively on endodontic tray setups.

 

imageEndodontic Broach must be disposed of in a Sharps container. For single use only.

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Photo courtesy Premier Dental, Plymouth Meeting, PA.

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Endodontic file—k type

Functions image

To clean inside walls of canal
To contour inner walls of canal

Characteristics image

Twisted design—More twists per millimeter than reamer
Used with push-pull motion
Handles—Color coded according to size
Range of sizes—To accommodate width of canal; diameter increases with size.
Available in different lengths

Examples:

21 mm, 25 mm, 31 mm

Practice note image

Endodontic File—K Type is used exclusively on endodontic tray setups.

 

imageEndodontic File—K Type must be cleaned, bagged individually or bagged/wrapped in a tray setup, and then sterilized. A chemical/steam indicator device should be included in the wrapping, or used file must be disposed of in a Sharps container. Rubber stopper on the file should be disposed of in the garbage.

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Photo courtesy Premier Dental, Plymouth Meeting, PA.

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Endodontic file—hedstrom

Functions image

To clean inside walls of canal
To enlarge and smooth inner walls of canal

Characteristics image

Triangular cutting edge
Handles—Color coded according to size
Range of sizes—To accommodate width of canal; diameter increases with size.
Available in different lengths

Examples:

21 mm, 25 mm, 31 mm

Practice note image

Endodontic File—Hedstrom is used exclusively on endodontic tray setups.

 

imageEndodontic File—Hedstrom must be cleaned, bagged individually or bagged/wrapped in a tray setup, and then sterilized. A chemical/steam indicator device should be included in the wrapping, or used file must be disposed of in a Sharps container. Rubber stopper on the file should be disposed of in the garbage.

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Photo courtesy Premier Dental, Plymouth Meeting, PA.

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Reamer

Functions image

To cut and smooth dentinal walls of canal
To enlarge inner walls of canal

Characteristics image

Twisted triangular cutting edge (similar to K-type file, but cutting edge is farther apart and has fewer twists per millimeter)
Used with twisting motion
Handles—Color coded according to size
Range of sizes—To accommodate width of canal; diameter increases with size
Available in different lengths

Examples:

21 mm, 25 mm, 31 mm

Practice note image

Reamer is used exclusively on endodontic tray setups.

 

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Feb 3, 2015 | Posted by in Dental Hygiene | Comments Off on Endodontic instruments
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