The FullForm Peel off Crowns are made of strong, transparent laminated plastic which makes them less brittle and much more resistant to hydraulic forces incurred by the application of a material-filled crown form. Strip off crown forms for support and form during core build-ups, support and form when making pontics in bonded composite bridges. FullForm are coded like and fully interchangeable with most popular brands, F, OP and C system. Available in 60 different sizes in either assortment boxes or refills.