Which Statement(s) Is(are) True Concerning the Purpose of the Anterior

Multiple Choice

Which statement(s) is(are) true concerning the purpose of the anterior matrix systems?

A) The clear plastic allows the curing light to penetrate the material, completing the curing process.
B) The matrix protects the adjacent teeth from the materials.
C) The matrix helps in reconstructing the natural contour of the tooth.
D) All of the above are true statements.