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Laurence S. Wong, D.D.S.
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Porcelain Crowns (Caps)

A crown (or cap) is a covering that encases the entire tooth surface restoring it to its original shape and size.  A crown protects and strengthens tooth structure that cannot be restored with fillings or other types of restorations.

Although there are several types of crowns, porcelain (tooth colored crown) are the most popular, because they resemble your natural teeth.  They are highly durable and will last many years, but like most dental restorations, they may eventually need to be replaced.  Porcelain crowns are made to match the shape, size, and color or your teeth giving you a natural, long-lasting beautiful smile.

There are a variety of types of porcelain restorations that we offer, depending on each individual case.  They include:

IPS e.max Press is a lithium disilicate glass-ceramic that offers excellent fit, form and function, combined with much higher strength compared to traditional porcelain.  It wears very similarly to natural enamel, and has a beautiful, life-like appearance.  These restorations have no metal in them, so they are highly esthetic and biocompatible.  The absence of metal eliminates the common fear of a metal crown collar showing, if there is gum recession years later.  This pressing process in the manufacture of the restoration strengthens the porcelain and eliminates porosity.  The fit is very precise with consistent tooth shades.

LavaTM Zirconia by 3M ESPE
This material combines CAD/CAM technology with hand crafted porcelain artistry, in a metal-free, highly natural-looking restoration.  Since it is reinforced by zirconia, it is extemely strong, so is especially suitable for bridges, as well as single crowns.  The LavaTM restoration is excellent in masking out dark colors in natural or root canal treated teeth.  Since there is no metal present, it is also highly biocompatible, and if there is any gum recession years later, there is no dark metal crown collar to expose.

Reasons for crowns:

  • Broken or fractured teeth.
  • Cosmetic enhancement.
  • Decayed teeth.
  • Fractured fillings.
  • Large fillings.
  • Tooth has a root canal.

What does getting a crown involve?

A crown procedure usually requires two appointments.  Your first appointment will include taking several highly accurate molds (or impressions) that will be used to create your custom crown.  A mold will also be used to create a temporary crown which will stay on your tooth for approximately two weeks until your new crown is fabricated by a dental laboratory.

While the tooth is numb, the dentist will prepare the tooth by removing any decay and shaping the surface to properly fit the crown.  Once these details are accomplished, your temporary crown will be placed with temporary cement and your bite will be checked to ensure you are biting properly.

At your second appointment your temporary crown will be removed, the tooth will be cleaned, and your new crown will be carefully placed to ensure the spacing and bite are accurate.

You will be given care instructions and encouraged to have regular dental visits to check your new crown.

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