2.15 Placement and Removal of Matrixes and Wedges
Protocol: The student will place and remove a Tofflemire matrix, celluloid matrix or other matrix system and wedge(s.
Criteria:
| Student completed procedure protocol accurately | Successful (S) |
| Student did not complete procedure protocol accurately | Unsuccessful (U) |
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Procedure Protocol |
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Complete armamentarium assembled and dental dam placed |
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Use mouth mirror to inspect the operative site |
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Verified correct assembly of the matrix and tofflemire retainer |
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Retainer is parallel to the buccal surfaces of the tooth with diagonal slot facing toward the gingiva |
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Adjusted loop securely around the tooth |
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Selected correct size and number of wedges |
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Used cotton pliers to insert the wedge(s) |
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Placed wedge(s) in the appropriate embrasure space(s) for the restoration |
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Verified sealed gingival margin(s) with explorer |
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Created proximal contact(s) with the ball burnisher |
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Restoration is placed |
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Loosen retainer |
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Removed the wedge using cotton pliers |
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Slid the retainer toward the occlusal surface |
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Removed matrix to prevent fracture of the restoration |
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Discarded the used matrix band in the sharps container |
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Demonstrates use, placement, and removal of other matrix system, if utilized |
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Safety measures followed |
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Infection control protocols followed |
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Demonstrates professionalism and appropriate communication skills |
