Dental bonding is
a restorative procedure in which a plastic resin is applied to the
front surface of a tooth to hide or repair a damaged tooth that is
worn, chipped, decayed or discolored. In fact, worn or darkened "silver"
fillings can be replaced with tooth-colored bonding materials that
are indistinguishable from your natural tooth enamel. One type of
resin is even used as a sealant to shield back teeth from decay. This
procedure can improve the appearance of teeth in several ways. It
can whiten stained teeth, lengthen short or chipped teeth, and fill
in gaps between teeth. This method works well with brownish or grayish-tinged
teeth, which do not always respond to bleaching.
Bonding is among the easiest and least expensive of cosmetic dental
procedures. The tooth surface is etched with a mild acidic solution.
This creates micro pores (tiny crevices in the enamel), making the
tooth more porous and receptive to the plastic bonding material. After
treating the damaged tooth surface, the dentist applies a puttylike
tooth colored material called composite resin onto the tooth that
is then sculpted and shaped. A high-intensity light causes the plastic
to harden after which the new surface is smoothed and polished to
the matching luster.
Bonding can lighten stains, close gaps and even alter the natural
flaws like crooked or malformed teeth. In fact, worn or darkened "silver"
fillings can be replaced with tooth-colored bonding materials that
are indistinguishable from your natural tooth enamel. One type of
resin is even used as a sealant to shield back teeth from decay. By
applying the dental aesthetics approach, the dentist may change the
shape or color of a single tooth or if necessary to remake your entire
smile.
Bonding can work wonders for discoloured teeth not changed by bleaching.
The procedure is typically painless and can yield dramatic results
in a single office visit.
Before:
A noticeable space between the front teeth. After:
Bonding fills the space, but still keeps the teeth looking natural.
Advantages:
Aesthetics is the main advantage. Bonding provides support to the
remaining tooth structure, which helps to prevent breakage and insulate
the tooth from excessive temperature changes. Bonding procedures
are advantageous because one or more teeth can be corrected.
Risk and disadvantages:
Composite resin restorations have their limitations. The composite
resin used in bonding isn't nearly as strong as a natural tooth.
After receiving a composite, a patient may experience post-operative
sensitivity. The dentist can put a clear plastic coating over the
composite to prevent the color from changing if a patient is particularly
concerned about tooth color. Composites tend to wear out sooner
than silver fillings in larger cavities, although they hold up as
well in small cavities.
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. Also, the shade of the composite can change
slightly if the patient drinks tea, coffee or other staining foods.
Proper home care and regular professional cleanings are essential
to keep the restored teeth healthy and beautiful.
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Statutory Warning: The information is intended
to help you better understand dental conditions and procedures and should
not be construed as specific medical advice or recommendation. The general
information provided here is not a substitute for a consultation with the
dentists. Only personal discussion of your individual needs with a professionally
qualified doctor / dentist will determine the best method of treatment suitable
for you.