What Is the Purpose of a Matrix System

question 29

Multiple Choice

What is the purpose of a matrix system?

• A)Retain and support the restoration.
• B)Provide a temporary interproximal wall for the restorative material.
• C)Create an external surface against which the restorative material is packed.
• D)Both b and c are correct.

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Definitions:

Cephalosporins

A class of β-lactam antibiotics derived from Acremonium, which are effective against a wide range of bacterial infections.

Acetic Anhydride

A reagent characterized by the formula (CH3CO)2O, used for acetylation reactions in organic synthesis to introduce acetyl groups to substrates.

Acetyl Chloride

A reactive organic compound, marked by the chemical formula CH3COCl, used in acetylation reactions to introduce acetyl groups into other molecules.

Organic Product

A compound or substance produced from an organic reaction, often containing carbon-hydrogen bonds.