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Crowns and bridges



The constant progress of science causes annual increase of the number of new materials and techniques of their processing. Currently the prosthetics is going through a renaissance. The dental crowns are being prepared from the materials in colour of the teeth and this is only patient's decision if they are fused to metal or to ceramic.

In the past years, when the new branch of dentistry has been rising - prosthetics - broken or chipped teeth were rebuilt by metal „caps" called crowns. The crowns were made from various kinds of metal alloys. Crowns made from gold alloys were very popular.

After invention of CAD/CAM technology, reasonable dentists' and patients' expectations finally came true. The era of metal crowns came to an end. We entered the new era of esthetic ceramic crowns which look is impossible to distinguish from natural teeth.

Most often when we talk about full - ceramic crowns we think of crowns made from dental ceramic fused with the layers to zirconium underpin or other metal free underpin. They are used to reconstruct demaged paitent's own teeth or to be fitted on implants. Depending on material used to make the underpin, they can have different names: LAVA, Zirconium, IPS Emax. The crowns of this type are currently the most often selected by patients during the prosthetic treatment.

Conventional bridges


Bridge is an aesthetic reconstruction permanently cemented to the patient's own teeth (abutment teeth). Bridges are made when the gap, caused by missing teeth is surrounded by teeth on both sides. Bridges provide the patient a perfectly aesthetic and functional effect, as well as the convenience of use. The main disadvantage when performing conventional bridges is the need to grind at least two teeth next to the gap. Many times the teeth intended to grind - the pillar teeth should be firstly endodontically treated because of their non-parallel setting in the dental arch. Currently, the most commonly the bridges are manufactured ​​of porcelain fused to zirconium oxide underpin, which ensures maximum aesthetics.

In the case when several teeth are missing and the bridge cemented to patient's own teeth can not be made, for example due to lack of pillar teeth, are made the bridges cemented or screwed to the implants.

Radix posts


Teeth which are weakened by root canal treatment are always reinforced with glass - fiber radix posts. The posts are sticked with special composite cements into the root canal of the tooth and the missing supragingival part - the tooth core is rebuilt with a special material. After this, the tooth is ready to have a crown.

Adhesive bridges


In the case of single teeth missing, especially in the esthetic zone, ie the front of upper and lower jaw, we can succesfully use adhesive bridges.

Their application allows you to achieve an excellent aesthetic result and patient's comfort without having to grind the adjacent teeth. The essence of the method is the restoration of a missing tooth with a composite material deposited onto the fiberglass tape attached to the abutment teeth.



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