Dental composite bonding is a popular choice for fillings because the material can match the shade, translucency and even the texture of your own natural teeth and provides a much better result than old amalgam/silver fillings, which can be unsightly when you smile. Cosmetic dentists often replace old metal fillings with tooth-coloured composite.
Bonded composite is not suitable if you have large cavities in your teeth, as the material does not have a strong structure over large areas. Bonding is ideal for small fillings that are not exposed to great forces. It may also be impossible to provide composite fillings where the cavity is below the surface of the gum as it may not be possible to obtain a dry field for the bonding process. Where In such cases that composite fillings are not suitable, then crown or inlay will be required.and where the dentist will take impressions and have their dental technicians fabricate a ceramic filling, which usually takes one to two weeks. A temporary covering is usually necessary.
If the procedure requires a local anaesthetic (not all bonding procedures do), your dentist will first numb the area by injecting a local anaesthetic into the gum area around the tooth. Once the correct shade of composite has been selected by your dentist, the tooth is kept dry by surrounding it with cotton rolls or a latex sheet (rubber dam), and then shaped or roughened by the dentist. The surface of the tooth is then etched with a gel, which provides a better surface for the composite to adhere to. The composite (bonding agent) is then applied to the etched tooth surface and exposed to a special light source (curing light), which activates the composite to harden and set. The bonding agent is often applied to the tooth in several thin layers (1mm-2 mm) until the desired shape, translucency and texture is achieved. The final step involves stoning and smoothing the composite to give the desired shape and finish.
The main drawbacks of bonding are that it doesn’t have the strength of other restorative materials such as ceramic or porcelain, and it has a greater tendency to stain than your surrounding natural teeth or porcelain. Staining can also occur at the margin of tooth to filling.
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Denpoint Dental Care
9-11 Bacup Road
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