Our goal is to provide dental restorations that are undetectable. The latest technologies in fabricating crowns allow for restorations that look and feel like your natural teeth. A crown refers to the restoration of a tooth using materials that are fabricated by indirect methods which are cemented into place. A crown is used to “cap” or completely cover a tooth.
The restorative materials used in indirect restorations possess superior mechanical properties compared to materials used for direct methods of tooth restoration. This produces a restoration of much higher quality. As new technology and material chemistry have evolved, computers are increasingly becoming a part of crown fabrication, such as in CAD/CAM technology.
A crown is recommended when there is not enough remaining solid tooth structure. This may occur when decay and fragile tooth structure are removed, or the tooth has fractured and is now missing important architectural reinforcements.
There are many situations in which a crown would be the restoration of choice. Whether it is needed due to decay, accidental damage, breakage through excessive wear, hairline cracks, or as the result of the deterioration of an old filling, a crown can be used as a long term solution. Crowns provide much more protection against future fracture or recurrent decay. The indirect techniques of crown fabrication translate into a more adapted tooth-restoration margin and thus a better seal against the decay-causing bacteria present in saliva.
Crowns are also recommended for teeth that have had root canals. When teeth undergo root canal therapy they are devitalized when the nerve and blood supply are cut off and the space which they previously filled are thoroughly cleansed and filled with material which prevents future invasion by bacteria. The vitality of a tooth is remarkable in its ability to provide the tooth with the strength and durability it needs to function while eating. The living tooth structure is surprisingly resilient and can sustain considerable abuse without fracturing. Consequently, after root canal therapy is performed, a tooth becomes extremely brittle and is significantly weaker than its vital neighbours. Therefore, Dr. Spencer and Dr. Rabheru will commonly recommend crowns after root canal therapy, especially for back molars which take most of the force while chewing.
Another reason to restore with a dental crown would be after implant placement. Implants are placed into the upper or lower jaw bone. Once the implant has integrated into the bone they can be fitted with a number of different prostheses, one of which is a crown.
Multiple crowns are utilized in cosmetic reconstruction cases. Unlike individual replacement due to decay or trauma, cosmetic reconstruction allows for a noticeable, healthy, beautiful change developed by the patient, Dr. Spencer, Dr. Rabheru and our lab technician.
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Spencer Dentistry, PC
Address: 1065 Valetta Street • London, ON N6H 2Z9 • Phone: 519-474-2626
Dr Kari Spencer and Dr Rena Rabheru, your London Dentists, focus on Preventative, Restorative and Cosmetic Dentistry. We provide dental crowns, dental bridges, tooth fillings, tooth extractions, and dental implants, as well as cosmetic procedures such as teeth whitening and porcelain veneers.
Spencer Dentistry serves London, Ontario and surrounding communities including Kilworth ON, Komoka ON, Ilderton ON,
Delaware ON, Mount Brydges ON, and Strathroy ON.