dental fillings

Half of all tooth-colored restorations, which are made of composite resin, fail within 10 year. 60 % of all operative dentistry involves replacing them, according to research in the Journal of the American Dental Association. To make a bond, a dentist etches away some of the dentin’s minerals with phosphoric acid to expose a network of collagen. Acid-etching is kind of similar to priming a wall before it’s painted; it prepares the tooth for application of an adhesive to the hybrid layer so that the resin can latch on to the collagen network. Unfortunately, the imperfect adhesives leave spaces inside the collagen that are not properly infiltrated with resin which can cause the bond to fail. Dr. Franklin Tay is trying to prevent the aging and degradation of resin-dentin bonding by feeding minerals back into the collagen network. With a … Read more