To place gingival retraction cord in sulcus area after tooth is prepared for a crown and before final impressions are taken
Characteristics
Smooth or serrated edges
Double ended—Different angle on each end
Variety of styles
Practice note
Gingival Retraction Cord Instrument is mainly used on crown and bridge tray setup unless gingiva needs to be retracted for a restorative procedure.
Gingival Retraction Cord Instrument 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.
Instrument
Crown and bridge scissors
Functions
To trim aluminum temporary crowns at gingival margin
To trim custom temporary crowns
To cut gingival retraction cord
To trim matrix bands
To cut dental dam septum
Characteristics
Short cutting edges—Can be straight or curved, narrow or wide
Variety of sizes
Practice note
Crown and Bridge Scissors are used on other restorative tray setups.
Crown and Bridge Scissors 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.
Instrument
Contouring pliers
Function
To crimp and contour marginal edge of temporary crown or stainless steel crown
Characteristics
Commonly used type: Johnson
Range of sizes available
Practice note
Contouring Pliers are mainly used on crown and bridge tray setup.
Contouring Pliers 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.
Instrument
Provisional crown–removing forceps
Function
To remove provisional crown from tooth
Characteristic
Range of sizes available
Practice note
Provisional Crown–Removing Forceps are mainly used on crown and bridge tray setup.
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