Dental Materials — Key differences for NEET MDS
Feldspathic porcelain = most esthetic weakest most translucent. Leucite-reinforced = IPS Empress pressable. Lithium disilicate = IPS e.max most popular all-ceramic. Zirconia = strongest ceramic = opaque = posterior crowns. CAD-CAM = computer-aided design manufacturing. Porcelain fused to metal = PFM = most common fixed prosthesis historically. Metal-ceramic bond = oxide layer.
📖 Read full notes →PMMA = polymethyl methacrylate = heat cure acrylic denture base. Porosity types in acrylic: Gaseous most common, Contraction, Granular. Lost wax technique: Wax pattern, Investment, Burnout, Casting. Inlay wax = type 1 direct type 2 indirect. Baseplate wax = Type I. Modeling wax = impression compound. Pour type acrylic = fluid resin.
📖 Read full notes →NEET MDS frequently tests the ability to differentiate between related topics. Understanding the key differences between Dental Ceramics and Waxes & Polymers in Dental Materials is crucial for scoring well. Questions may test diagnostic features, treatment approaches, or characteristic findings.