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some facts you many want to know
dentalcomposite bonding +
what is dental composite bonding?
Composite Bonding is the application of a tooth-coloured composite resin to repair a decayed, chipped, fractured or discoloured tooth. Unlike veneers, which are manufactured in a laboratory and require a customized mould to achieve a proper fit, composite bonding can be done in a single visit. The procedure is called composite bonding because the composite material bonds to the tooth.
what is it used for?
Composite bonding is among the easiest and least expensive of cosmetic dental procedures. The composite resin used in bonding can be shaped and polished to match the surrounding teeth. Most often, composite bonding is used for cosmetic purposes to improve the appearance of a discoloured or chipped tooth. It also can be used to close spaces between teeth, to make teeth look longer or to change the colour of teeth.
Sometimes, composite bonding also is used as a cosmetic alternative to amalgam fillings, or to protect a portion of the tooth’s root that's exposed when gums recede.
Preparation is needed for bonding. Anaesthesia often is not necessary, unless the bonding is being used to fill a decayed tooth.
how it’s done
Your dentist will use a shade guide to select the composite resin colour that will match the colour of the tooth most closely.
Once your dentist has chosen the colour, he will slightly abrade or etch the surface of the tooth to roughen it. The tooth will be coated lightly with a conditioning liquid, which helps the bonding material adhere.
When the tooth is prepared, your dentist will apply the tooth-coloured, putty-like resin. The resin is moulded and smoothed until it’s the proper shape. Then the material is hardened with an ultraviolet light or laser.
After the bonding material hardens, your dentist will further trim and shape it. Then he will polish the material until it matches the sheen of the rest of the tooth surface.
It usually takes about 30 minutes to an hour to complete the procedure. If you’re having more than one tooth done, you may need to schedule several visits.
The composite resin used in bonding isn’t nearly as strong as a natural tooth. Biting your fingernails or chewing on ice or pens can chip the material. Bonding usually lasts several years before it needs to be repaired. How long it actually lasts depends on how much bonding was done and your oral habits.
when to call a professional
In the days after having the bonding done, call your dentist if you notice sharp edges on the bonded teeth, or your teeth feel strange or “off” when you bite down.
At any time, call your dentist if the bonding chips or pieces fall out.