Dental fillings are the best solution for cavities available to a dentist but no solution is quite perfect. Whether made from a composite resin or silver amalgam, a filling will have to be replaced at some point in time for a number of reasons including:
– Damage – Grinding teeth or chewing hard substances can chip or damage fillings
– Size – A large filling has less tooth structure for support and may loosen or fall out
– Age – Normal wear and tear will eventually erode and loosen the filling
Regular checks will help but “no dental filling material lasts forever” and you can find out more at https://yourdentalhealthresource.com/can-cavities-form-under-dental-fillings/
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