Photopolymerization is a process that uses light to initiate a chemical reaction, turning liquid monomers into solid polymers. This technique is commonly used in various applications, including 3D printing, dental materials, and coatings. When exposed to specific wavelengths of light, photoinitiators in the liquid mixture absorb the energy and generate free radicals, which start the polymerization process. The advantages of photopolymerization include rapid curing times and the ability to control the process with precision. This makes it an efficient choice for creating durable materials with complex shapes. Overall, photopolymerization plays a crucial role in modern manufacturing and technology.