Over the last 10 years, dental filling technology has changed significantly.
Many people still have silver/mercury fillings in their mouth and these fillings are not particularly pleasing to the eye, and we also know now that these types of fillings result in cracks and a weaker tooth structure. Porcelain and tooth-colored restorations (composites/inlays/onlays) create fillings that are not only beautiful (and barely noticeable) but also add strength to weakened teeth.
Silver fillings have many drawbacks. The edges of the silver filling can wear down, become weak or break. This results in the tooth being unprotected and lets cavities get started once again. With age, the metal of a silver filling expands, contracts, and can cause cracks in teeth. The weakened tooth structure is vulnerable to fracture. Silver fillings contain 50 percent mercury which can corrode, leak and cause stains on your teeth and gums.
Resin inlays/onlays are bonded to the teeth creating a tight, superior fit to the natural tooth. Such restorations can be used in instances where much of the tooth structure has been lost. The tooth remains intact and stronger with a pleasing aesthetic result.
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