Dental fillings or dental restorations are used to replace parts of the tooth structure when they have been lost to tooth decay. Ideally, dental fillings are meant to be a long-term solution and they are expected to last for several years (Ziff, 1986). However, relentless fighting with food materials and constant stress from grinding and clenching eventually has a toll on dental fillings, causing them to fail. Therefore, regular replacement of dental fillings is not a myth but a reality and all dental fillings inevitably need to be replaced (Ziff, 1986).
It is an irrefutable fact that bacteria are one ...