The 3M™ Polycarbonate Crowns (P21) are preformed temporary crowns designed for short-term use in adult anterior teeth. These crowns are crafted from polycarbonate resin reinforced with microglass fibers, providing strength and durability. They contour and crimp similarly to metal crowns, ensuring easy adaptation to margins. Featuring a universal shade No. 62, these crowns can be adjusted using cements and liners to match esthetics. They offer an affordable, aesthetic solution for temporary restorations, particularly suitable for patients with economic considerations