Unveil the science behind Gypsum in Dental Materials! Dive into a specialised lecture exploring the critical role of gypsum products in dentistry. From dental casts to prosthetics, unravel the applications shaping modern dentistry. Elevate your knowledge in dental materials with this insightful SlideShare presentation - a must-watch for students, professionals, and enthusiasts alike! This is the second part of this series. It includes concepts on dimensional changes, the difference between normal setting expansion and hygroscopic setting expansion, manipulation, composition, theories of setting reaction, strength of gypsum, setting time, die and recent advancements.