A white filling is a tooth coloured filling also referred to as a composite filling. It is a "composite" made from coloured resin mixed with glass particles for strength. The material is inert and does not react with body tissues.
What are the advantages of having a white filling?
A white filling comes with many advantages the most obvious is the high aesthetic value. Its tooth coloured so it is hard to spot. Technically, placing a white filling requires less removal of the healthy tooth tissue as compared to silver filling.
what are the risks or disadvantages of having a white filling?
As with any filling, white fillings can have their own drawbacks. Placing a white filling involves removal of decayed tooth structures. The filling itself may fracture and the larger it is the greater the risk of fracturing it. Placing a white filling requires the area to be kept completely dry to enable the filling to be securely bonded into place. Finally, any tooth which is prepared or repaired may need a root canal treatment at some point.
what are the alternatives?
Alternatives to white composite fillings are amalgam (silver fillings) and laboratory made inlays or onlays.
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