What is the meaning of Polymethyl Methacrylate?
Polymethyl Methacrylate is widely used term in Dental Materials.
Polymethyl methacrylate (PMMA) is a widely used dental material that is classified as a type of acrylic resin. It is a synthetic polymer composed of methyl methacrylate monomers, which are chemically linked together to form a chain-like structure. PMMA is commonly used in dentistry because of its desirable properties, including excellent optical clarity, high strength, and resistance to wear and fracture.
In dental applications, PMMA is primarily used for the fabrication of temporary restorations, such as temporary crowns or bridges. It can be easily shaped and polished to match the natural teeth, providing patients with an aesthetically pleasing and functional temporary solution while permanent restorations are being fabricated.
Additionally, PMMA is also used in denture fabrication. It can be processed into a denture base material that serves as a foundation for mounting artificial teeth. PMMA denture bases offer good resistance to staining and can be easily repaired or relined if necessary.
Overall, PMMA is valued in dental materials for its versatility, ease of use, and satisfactory clinical performance, making it an essential component in various temporary dental restorations and denture fabrication.
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