A crown is a type of dental restoration which completely caps or encircles a tooth which has suffered extensive surface loss due to cavity, breakage or any other reason.
Bridge: It is the process in which one or more missing teeth space is filled by a prosthesis attached to the teeth neighboring the lost tooth or teeth.
When tooth loss occurs for any possible reason, the neighboring teeth start a movement towards the space created by the missing teeth. As a result of this movement the individual may experience teeth and gum problems, misalignment owing to the movement, chewing problems, aesthetical deteriorations and also bone decay. If the space is not filled by an implant or a dental bridge, neighboring teeth may also be lost
A variety of alloys are utilized for this type, though the most common ones are gold, platinum, palladium, silver, copper and tin. Among all the alloys and elements used in dentistry, gold is one of the most expensive materials compatible with teeth and gingiva
They are made of strengthened porcelain. Although the appearance of crowns depends on many different factors, the most important one is the reaction they give when exposed to sunlight. Natural teeth are nonopaque therefore they create a certain amount of depth and vividness. Metal free porcelain crowns (full porcelain crowns), owing to their nonopaque features are superior to metal containing dental restorations in terms of the depth and vividness they present. Therefore the patient is provided with an alternative closest to their natural teeth.
For long years, dentists used to make use of a metal structure under the porcelain tooth to ensure better endurance. Since it was known to have drawbacks concerning the gums, tooth tissue, general health of the body and most importantly aesthetic appearance, a search for an alternative material to use as a substructure for the porcelain went on for years
The use of zirconium, which had been used in other areas of medicine with success, in dentistry as a substitute for porcelain metal opened the doors of a new era
Because porcelain coatings with zirconium substructure enables us to reach an aesthetical an functional level close to the natural teeth since they are non-opaque and they also don’t cause any gingival problems and allergies.
The crown and bridgework done by placing porcelain on top of zirconium are called with the short name CERCON (Ceramic and Zirconium). It has the outmost physical qualities and has a resistance of 900 Mpa. Also, it is non-opaque, tissue friendly, has other positive features regarding to several different indications; so, it has opened a brand new area in dentistry. The success of this material has been proven in medicine and in industry. According to the outcomes of the researches carried out from 1998 on, the worldwide clinical use of CERCOM started from 2002 on. Thanks to this new application, aesthetical concerns caused by metal-ceramic and full ceramic restorations are no more valid.
Removable dentures are the most common method for completing the missing teeth. This technique is used when the reparation of the number of missing teeth is impossible by the use of fixed denture.