With technological advancements come modern treatments for age-old dental issues. Composite fillings are white, look natural and include no harmful mercury or metal. A composite filling restores or replaces areas where the tooth has decayed or has been damaged. Composite fillings are also used for cosmetic improvements of the smile. By changing the color of teeth or reshaping disfigured teeth, a bright smile is noticeable, in place of decayed, chipped teeth. The aesthetic aspect of a Composite filling is the main advantage to utilizing this type of material for cavity fillings. Since your teeth whitening Marina Del Rey specialist can blend shades to create a nearly identical color that blends with your actual tooth. Composite fillings bond to the tooth chemically and support the remaining tooth structure. This helps to prevent breakage and insulate the tooth from hot and cold temperature changes.