Which statement is correct concerning the purpose of the anterior matrix systems? (Select all that apply.)
A)The matrix protects the adjacent tooth during preparation.
B)The clear plastic allows the curing light to penetrate the material, completing the curing process.
C)The matrix protects the adjacent teeth from the materials.
D)The matrix helps in reconstructing the natural contour of the tooth.
E)The height of the band signifies the height of the marginal ridge.

Question

Quizplus · Accepted Answer

The clear plastic allows the curing light to penetrate the material,thereby completing the curing process.
The matrix is placed between the teeth before the etching and priming of the tooth to protect adjacent teeth from these materials.
After placement of the composite material,the matrix is pulled tightly around the tooth to help in reconstructing its natural contour.
A matrix is placed after the preparation is completed.
The matrix band would be higher than the marginal ridge on a posterior tooth.

Which Statement Is Correct Concerning the Purpose of the Anterior