TIMOTHY
CARROLL, DMD, PC
3H Taggart Drive - Nashua, NH 03060-5592
If you need
more involved treatment that still looks natural, your dentist may recommend
a crown, inlay or onlay. A crown covers the entire tooth to strengthen and
improve its appearance and is typically used when a tooth’s damage is beyond
the scope of more conservative esthetic procedures mentioned earlier.
However, if enough healthy tooth structure remains, your dentist may
conserve what’s left and restore the tooth to a natural appearance with an
inlay, which fits within the contours of a tooth, or an onlay, which is
similar but also covers some of the chewing surface of a tooth.
Crowns, inlays and onlays are typically fabricated from an alloy, a
combination of metals. Alloys may contain precious metals such as gold and
palladium, or non-precious metals such as nickel or chromium. In either
case, they are extremely durable, with many crowns lasting 20 years or more.
Crowns also can be made entirely of porcelain, or made with metal lining to
which an outer layer of porcelain is fused. Crowns made entirely of ceramic
also are available today, but questions remain about their durability and
strength when subjected to the intense chewing pressures generated when we
eat. The best advice is to consult your dentist if you are interested in a
ceramic restoration, particularly for back teeth.
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