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PROSTHETIC DENTISTRY

I. FIXED PROSTHESES

Fixed prosthesis can be a crown or bridge.

When making crown, the tissue of the tooth has to be removed due to meeting the static requirement of the tooth when preparing it for uniform strain.

During making bridge, supplementing one or more teeth are needed, so the teeth beside the missing ones support the supplements.

To prevent root canal treated teeth from breaking down, crown is often applied. The crown is made by the dental mechanic according to the mold taken from the tooth.

As for their materials, the crown and bridge can be made from metal-ceramics (nickel free metal alloy, cobalt-chrome) gold-ceramics and metal free.

Metal free prostheses don’t contain metal, so they are applicable in case of any dental allergy and they meet the highest standards of aesthetics.

As for their application, they can be pure porcelain crowns and porcelain-like on Zirconium-oxide frame.

The zirconium-oxide crown provides perfect fitting due to its computer, so called CAD/CAM, design; its strong fram is resistant to breaks and cracks.

II. REMOVABLE PROSTHESES

The combined prostheses are comprised of two parts, a fixed and a removable one. It is applied when the number of existing teeth is not enough for the support of fixed prostheses. Prostheses are made to be put on the existing teeth which are fixed with a special sticking cement; the removable part supplementing the missing teeth are laid on the mucous membrane of the mouth and fixed with special fixing tools of precision mechanics.

TELESCOPIC PROSTHESES

The point in telescopic prosthesis is that the dentist makes primary and secondary crowns using some existing teeth or implants.

The primary crowns are stuck on the existing teeth or implants. The secondary crowns are going to be placed on the denture. The cap-like primary and secondary crowns slide to each other when putting the denture in providing perfect stability to the patient.

The removable prosthesis can be combined, telescopic or fully removable or full prosthesis.

FULL PROSTHESIS

The removable prosthesis can find support on the bones of the mucous membrane and its fixation depends on the facial muscles, chewing pressure and gravity.