The process of hardening a cement matrix through hydration with oral fluids  to achieve greater mechanical strength is known as:: (A) Maturation, (B) Setting, (C) Hardening, (D) Mineralization
Answer is A. Maturation (cement)—The process of hardening a cement matrix through hydration with oral fluids to achieve greater mechanical strength.
Ref: Phillip’s Science of Dental Materials ed 12 pg 309