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Related Flashcards
Cards In This Set
| Front | Back |
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What is a matrix system?
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Temporary wall for amalgam, composite resin or restorative material to placed against
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What are the 3 matrix systems?
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Posterior, anterior and sectional matrices
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What is the most common used matrix system?
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Posterior matrix
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What is the universal retainer also called?
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Tofflemire matrix
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What does the tofflemire do?
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Holds matrix band in place?
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How is the posterior matrix band placed?
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Placed on the buccal surface of the tooth
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What are the 2 most common used matrix bands?
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Universal band and the extension band
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When is the universal band used?
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Class 2 prep when proximal box is prepared and the cusps are intact
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When is the extension band used?
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Deeper class 2 prep that need gingival extensions because of the loss of a cusp
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What side does the smaller circumference of band go on?
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Towards gingival edge
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What side does the larger circumference go on?
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Towards occlusal edge
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What is another name for the clear plastic matrix?
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Celluloid strip, or mylar strip
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