Dental crowns, also known as “caps,” preserve the functionality of damaged teeth. Crowns may be used to protect a cracked tooth, restore functionality of a tooth with excessive decay, or replace a pre-existing crown. The purpose of a dental crown is to encase a needy tooth with a custom-designed material. Dentists today have a variety of conservative treatment options through which to restore teeth. If possible, these options should be explored and discussed before selecting the full coverage crown.
The Clinical Procedure
During the crown procedure, your dentist prepares the tooth and makes a molded impression of the teeth to send to a dental laboratory. A fitted, temporary crown is created during this visit to temporarily protect the tooth while the final restoration is being made in the dental laboratory. Once completed, the crown is cemented at a later visit.
A recent technology, CAD/CAM technology (computer-aided design/manufacturing technology) has evolved to display a 3-D picture of the teeth. A restoration is then created through milling of a ceramic block. If this technology is located in the dental office (chair-side CAD/CAM), there will be no need for a temporary crown or return visit for the final cementation.
Fixed Partial Dentures, Dental Implants and Crowns
Fixed partial dentures (aka dental bridges) are an extension of thedental crown treatment for replacement of missing teeth. Crowns are placed on the teeth adjacent to the missing tooth or teeth and connected to a missing tooth-like replica. Although fixed partial dentures may serve as a functional and esthetic restoration, today’s treatment-of-choice for a missing tooth or teeth is with dental implants. A dental implant replaces missing teeth with a titanium root replica. A crown is then placed on the implant above the gumline. Dental implants are a very predictable treatment choice, returning support to the bite and preventing the need for the unnecessary crowning of adjacent teeth.
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