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When tooth structure is eaten away or otherwised damaged by dental decay, cracks or fractures, it can often be repaired by means of the placement of a dental filling. While traditional fillings were typically composed of amalgam, a mixture of different metals, today’s fillings are frequently tooth-colored. These “white fillings” invisibly restore the form and function of the involved tooth so that it seamlessly blends in with the remaining tooth structure. Tooth colored fillings are made of the latest generation of composite resin materials in which filler particles are bound together when set by a hard matrix material. Strong and durable, tooth colored fillings are chemically bonded to fill and rebuild a tooth once the decayed or damaged tooth structure has been removed. First placed as a putty-like material, tooth colored fillings are carefully shaped to restore the contours of a healthy natural tooth and then cured (set) with a light wand. In addition to restoring teeth affected by damage or decay, composite resins can also be used to cosmetically change the size, color or shape of teeth with imperfections or minor alignment issues such as spacing.
