Prefabricated temporary crowns are dental appliances used to protect teeth before permanent restorations, made of materials like polycarbonate and cellulose acetate.
Prefabricated temporary crowns are a type of temporary crown used in dentistry to protect prepared teeth while waiting for permanent restorations. They are often made of materials like polycarbonate and cellulose acetate and come in pre-formed shapes for quick application.
https://brainly.com/question/36678146