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Resin Composite Fillings
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Resin composite fillings are constructed from tooth-colored plastics mixed with
a glass-like silver dioxide particles. They are commonly used in cosmetic dentistry
because they look so natural, are very strong, mercury-free, bio-compatible, and
securely bonded to the tooth. They can be used for restoring decayed or damaged
areas of a tooth or for cosmetic improvements.
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We use composite resin fillings rather than the older amalgam type (hard silver-mercury
metal). Because metal expands and contracts, amalgam fillings tend to flex, possibly
even fracturing the existing tooth. If that happens, the tooth structure is irreparably
damaged. Also, amalgam fillings are not bonded to the tooth and can leak around
the fillings, causing further decay.
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The Process
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After the materials are prepared, Dr. Morgan or Dr. Rogers places the composite
on the tooth in layers and then uses a special light to harden the material. When
the application process is complete, he shapes the composite to perfectly fit the
tooth, and polishes the area to make it more stain resistant and durable.
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Advantages of Resin Composite Fillings
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Composite fillings have several distinct advantages over other types of fillings:
- Because highly experienced dentists such as Dr. Morgan or Dr. Rogers have the skill
to blend composite resins to perfectly match the actual tooth’s color, teeth repaired
with composite fillings look very natural.
- Composites bond strongly to, and help support the remaining tooth structure. This
helps to prevent breakage and insulate the tooth from excessive temperature changes.
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