A: MasterCard Contactless is a 'contactless' way to pay for purchases under R200. It's like having exact change wherever you go. A simple tap of your card, key fob or contactless-enabled mobile phone is all it takes to pay at the checkout.
Fillings. Fillings are used to repair a cavity in your tooth caused by decay. The most common type of filling is dental amalgam, made from a mixture of mercury and different metals. Dental amalgam fillings are often used on your back teeth as they are hard-wearing.
Types: Traditional (non-bonded). Used for: Fillings in back teeth. Lasts: At least 10 years, usually longer. Costs: The least expensive type of restorative material. Advantages. 1  Amalgam fillings are strong. 2  They can withstand the forces of chewing. 3  They are less costly than the alternatives. 4  Amalgam fillings can be completed in one dental visit. 5  They are less sensitive to moisture during the filling process than composite resin.