Until
recently, dentists filled and sealed cavities
almost
exclusively using silver or mercury amalgam. Unfortunately,
these fillings (or restorations) were unaesthetic and
often weakened teeth. They would expand and contract
slightly more than a natural
tooth, usually unbonded
and requiring large amounts
of the original tooth to
be removed.
Modern dentistry has increasingly
turned to composite restorative materials as a strong,
safe and more
natural looking alternatives. Composite
fillings utilise
a soft, white plastic substance that
upon exposure to a concentrated light source would set
hard. With the improved generations of bonding agents
– minimal tooth structure removal is required.
The result is a white filling that has strength, resilience
and a wonderful aesthetic look.
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