Which Statement Is Incorrect Concerning Placement of the Matrix Retainer

question 15

Multiple Choice

Which statement is incorrect concerning placement of the matrix retainer and band?

• A)The diagonal slotted surface of the retainer is always toward the gingiva.
• B)The handle of the retainer extends out from the oral cavity at the corners of the lips.
• C)The seated band extends two to three mm above the occlusal surface of the tooth.
• D)The retainer is positioned from the buccal side of the tooth.

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