Questions and Answers
Which classification would require using a matrix system?
What is the plural word for matrix?
matrices
Which would be used to hold a posterior matrix band in position?
universal retained
In what direction is the smaller circumference of the posterior matrix band positioned when placed properly?
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Which instrument could be selected to thin and contour a matrix band?
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What additional item is placed for a posterior matrix system to establish proper interproximal contact of the newly placed material?
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What could improper wedge placement result in?
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Which matrix system could be an alternative to the universal retainer?
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Why are metal matrix bands contraindicated with the use of composite resin materials?
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Another term for the clear matrix is?
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Study Notes
Matrix Systems in Dentistry
- Classification for Matrix System: Class II is required for using a matrix system.
- Plural of Matrix: The plural form of matrix is matrices.
- Posterior Matrix Band Retention: A universal retainer is used to hold a posterior matrix band in position.
- Positioning of the Posterior Matrix Band: The smaller circumference of the posterior matrix band should be positioned gingivally when placed correctly.
Instruments and Materials
- Instrument for Matrix Band Contouring: A burnisher is selected to thin and contour a matrix band.
- Interproximal Contact Establishment: A wedge is placed for a posterior matrix system to establish proper interproximal contact of the newly placed material.
Wedge Placement Impact
- Consequences of Improper Wedge Placement: Incorrect placement of the wedge can lead to issues such as cupping and overhangs.
Alternative Matrix Systems
- Alternative to Universal Retainer: The automatrix matrix system can be used as an alternative to the universal retainer.
Material Considerations
- Contraindications of Metal Matrix Bands: Metal matrix bands are contraindicated with composite resin materials because the metal can scratch some composite resins.
- Clear Matrix Alternative Terms: Clear matrices are also referred to as celluloid and mylar strips.
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Description
Test your understanding of dental matrix systems with this quiz. It covers definitions and classifications relevant to dental procedures, specifically focusing on matrices used in dentistry. Challenge yourself to see how well you know the direction and terminology associated with matrix bands.
