Composite restorative instruments

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Composite restorative instruments

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Photo courtesy Garrison Dental Solutions, Spring Lake, MI.

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Sectional matrix system

Function image

To replace missing proximal wall of cavity preparation for placement of composite material or other restorative materials for class II restorations

Characteristics image

Variety of sizes and shapes to accommodate restoration:

1. Pediatric band—Primary molar
2. Small band—Premolar, small molar
3. Extended small band—Premolar, molar, with deep cervical restoration
4. Standard band—Molar restoration
5. Large band—Deep cervical restoration
6. Tension rings—Different sizes to accommodate restoration
Place to secure band on proximal wall
Placed on tooth with forceps (see Chapter 7)

Practice notes image

Sectional Bands are used on amalgam, composite, build-up, and temporary filling tray setups.
Classes III and IV composite restorations use a Clear Mylar Matrix strip.

 

imageSectional Bands should be disposed of in Sharps container, or state regulations should be followed. Single use only. Tension Rings and 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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Composite placement instrument

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To carry composite material for cavity preparation
To place, condense, and carve composite material in cavity preparation

Characteristics image

1. Plastic composite instrument—Plastic that can be sterilized
2. Metal composite instruments—Titanium nitride coating
Double ended
Different angles on ends
Ends shaped differently, one to accommodate initial placement of material (paddle end) and the other end to condense, contour, and carve material
Variety of sizes, shapes, and angles available

Practice note image

Composite Placement Instrument is used on composite tray setups.

 

imageComposite Placement 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.

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Composite burnisher

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To form occlusal anatomy in composite restorations
To achieve final contouring of anatomy, pits, fissures, and grooves

Characteristics image

Double ended—Different angle on either end

1. Composite Burnisher:

Titanium nitride coating—Creates hard, smooth, nonstick surface that resists scratching, sticking, or discoloration of composite material
2. Acorn Burnisher (for composite restorations):

Gold titanium nitride coating—Creates hard, smooth, nonstick surface that resists scratching, sticking, or discoloration of composite material

Practice note image

Composite Burnisher is used on composite tray setups.

 

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