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There are many methods to replace lost teeth with artificial teeth that look like natural ones. Dentists at Fehér Dent Aesthetic Dental Clinic will do everything to fabricate prostheses that resemble real teeth.
There are two types of prostheses:
What materials are used to fabricate temporary prostheses?
These types of restorations are not permanent, so we use tooth coloured plastics which are easy to shape and make hard by light curing. These types of restorations do not look or function like natural teeth, they are only used to replace your final prosthesis during the treatment.
Temporary prostheses – fabricated at the clinic
If you require short treatment that lasts one or two weeks, you will receive an immediate restoration fabricated by your dentist at the clinic. Thus you will not have an unsightly gap in your mouth during the treatment. These restorations are not only aesthetic, they protect teeth that have been ground down and prevent sensitivity.
Temporary prostheses – fabricated by the dental technician
Your temporary prosthesis is fabricated in the lab if your treatment takes a longer time: for example after tooth extraction it may take 5-6 weeks for your wound to heal. In this case your temporary restoration is prepared by the dental technician in advance and placed into your mouth right after your tooth has been removed by your dentist.
These types of prostheses can be worn for only a few weeks or months. Since they do not seal properly, there is a risk for developing tooth decay. They are not attached firmly so that your dentist can remove them and put them back when treating you. Therefore, temporary prostheses can become loose. This is not a serious problem, it can be fixed it easily.
Conventional dentistry replaces a single missing tooth with a bridge. It requires grinding down the neighbouring teeth to prepare them to support the crowns. This solution is only acceptable if the neighbouring teeth are badly damaged, because the bridge does not only replace the missing tooth, but it also protects these teeth and makes them more aesthetic.
However, this is not a good treatment option if the neighbouring teeth are healthy or only slightly damaged, because we will lose a lot of healthy tooth material.
Fortunately, we can replace a missing tooth without grinding (inlay supported bridge). Instead of grinding down the neighbouring teeth, we create special compartments (depressions) on the surface of these teeth (indeed, we transform decayed spots and fillings) and cement the permanent bridge into these compartments to provide aesthetic coverage.
There are several treatment options to replace a single missing tooth depending on the type of tooth loss and the aesthetic requirements.
Crowns used earlier (all metal or metal alloy crowns) could lead to greyish discolouration of the gum. Aesthetic metal free crowns do not cause such problems, therefore many people come to our clinic to have their old crowns replaced with new ones which help to preserve the health and the colour of the gum.
Aesthetic crowns include:
Full ceramic crowns
As their name shows, they do not contain any metal.
High precision zirconium-oxide restorations are designed and fabricated using computer scanning technology. This material can replace metals, and while being aesthetic they are virtually unbreakable.
Galvanised gold-ceramic crowns
They are recommended to replace front teeth (upper incisors), since they are professional solutions that possess outstanding aesthetics.
Dentists at Fehér Dent Aesthetic Dental Clinic do their best to be familiar with the latest developments in dentistry to offer you state-of-the-art solutions.
Implant = exogenous (originating from outside the body) tissue or material placed in a living organism, e.g. artificial root
Implant surgery = the procedure of placing exogenous tissue or material into a living organism
Below you can find a brief overview of implant supported restorations. Details of implant surgery are described in a separate section.
An implant consists of the following parts:
implant body (fixture) placed into the jaw bone
abutment (screwed into the implant body)
crown (screwed or cemented onto the abutment)
Implants are the best solution to replace a single tooth, if the neighbouring teeth are healthy.
If more teeth are missing, it is not necessary to replace each of them with implants. If you have 3-4 missing teeth in one dental arch, we can replace them by placing two implants and fabricating a bridge which consists of an equal number of missing teeth.
If all your teeth are missing, we can replace them with fixed implant supported bridges. However, full-arch bridges require an adequate amount of bone to support six implants in the upper jaw and four in the lower jaw. Therefore, implant supported removable dentures are a better solution in this case.
Conventional dentures cannot be relined to be supported by implants, so new ones must be fabricated. We place 2 – 4 implants in the place of the canines and the second molar teeth. The dentures snap into place with the help of ball attachments, just like the snap buttons used on clothes.
If you have insufficient amount of bone, conventional dentures may not fit properly. If you do not have teeth for a longer period of time, the ridge in your mouth becomes so narrow that full dentures can only be retained in the mouth with so called mini implants.
A full upper denture consists of a whole set of teeth mounted on a plastic base. Due to its shape it is retained in the mouth by vacuum. A full upper denture can restore your ability to chew, the shape of your upper lip and your ability to speak properly. Fabrication usually takes about 2 weeks, during which time you will have several try in visits. This type of denture is usually recommended for elderly people who are not suitable candidates for implant surgery.
It can replace missing teeth in the lower jaw. For more details, read the description under “Full upper denture on a plastic base”.
Full lower dentures can have a metal base which adds more weight to the denture to achieve better adhesion and proper fitting. The metal base is placed inside the plastic body of the denture, therefore it is not in direct contact with the tissues in your mouth, so people with metal allergy can have it. Better adhesion provides better chewing and speaking. Upper dentures do not have a metal base, since the extra weight would pull the denture downward and reduce adhesion.
This prosthesis has a thin metal base with artificial teeth on it. The attachment clips are milled together with the metal base, this way they can be positioned better. This denture is not fragile, it can be cleaned easily, and due to the reduced amount of bacteria on its surface, it does not develop an unpleasant odour. However, its aesthetics is not perfect when applied at the front. The remaining teeth are covered with a fixed bridge. The surface of the bridge is shaped to provide better attachment for the clips.
It is much better to use metal for lower partial dentures, because it can withstand the pressure exerted on the lower teeth when you chew. It has similar advantages to upper partial dentures, and their aesthetics are also acceptable, because lower teeth are rarely visible when you speak or smile.
Precision attachments are better than clips, especially if they are used with upper dentures. They are invisible and more stable, however, they require the presence of an adequate number of natural teeth to prevent drifting. The removable denture attaches precisely to the fixed bridge. Precision attachments are only used with metal-based dentures (the attachment parts are charged separately). The remaining teeth (2 - 2 teeth to the right and left of the central axis) should be healthy and immobile, so that we can place a fixed bridge on these teeth.
The minimum required number of remaining teeth is 2 – 2 teeth to the right and left of the midline. The teeth on each side are connected with a fixed bridge, and the male part of the precision attachment (patrix) is milled together with the bridge. The partial denture attaches to the patrix with its female attachment (matrix) providing increased stability of the denture.
Creating a shoulder
In order to provide attachment within the contour of the bridge and the removable partial denture, your dentist can create shoulders, which are little depressions in the metal-ceramic part of the bridge on the inner side. The attachment parts of the denture base fit into these depressions and prevent the denture from rotating. This solution also provides smooth transition between the bridge and the denture.
Hidden precision attachments
Precision attachments include slide attachments, snap button attachments or telescopic attachments. Slide attachments consist of a little lug on the bridgework, which is milled together with the bridge, and a channel created in the denture to slide the lug into it. Both parts are covered in a thin plastic layer to prevent wearing. The plastic anti-wearing cover must be replaced regularly. Snap button attachments consist of a little ball on the bridge and a socket on the denture for the ball to snap in. The denture is secured in place by friction. When one or two neighbouring teeth are missing, your dentist can fabricate a special fixture, which consists of a metal bar placed in between the teeth on each side of the gap. The denture can rest on this bar like a saddle. Additional devices can be used to improve the stability of the denture. An interlock is an integrated bolt on the denture base that is guided around or in between crowns with shoulder preparation. It prevents horizontal movement of the denture. When fabricating a partial removable denture, it is worth applying as many fixing devices as possible to increase stability.
Primary and secondary telescopic crowns
Telescopic crowns are invisible precision attachments, which are used when there are only 1 – 3 remaining teeth in a dental arch. A telescopic crown consists of two crowns, a smaller one (primary) and a bigger one (secondary), that fit into each other. The smaller crown is cemented onto the prepared anchor tooth, while the bigger one is mounted onto the denture and snapped onto the smaller one. The crown is kept in place by friction and does not shift as you chew. Both crowns can be made of gold, although dental metals are also suitable and they do not require welding. Golden crowns are welded onto the denture plate with a special technique, which increases the cost of such restorations.
A címben meghatározott fogsor is részleges kivehető szerkezet, amelynek gyártásához csak fém alaplemezt lehet használni. Ez azért van így, mert a teleszkóp koronák egymásról történő leválasztásához igen nagy erő kell, amelynek kifejtésekor a műanyag alaplemez eltörne. Maga az alaplemez készülhet arany hálóból is, ami indokolt lehet akkor, ha a teleszkóp koronákat is aranyból gyártottuk, hiszen az egymáshoz rögzítésükhöz egyszerű forrasztás is megfelel, nem kell speciális hegesztés. A fölső protézishez mégsem tanácsos arany hálót használni, annak súlya miatt, amely folyamatosan lefelé húzná a protézist.
It is a partial removable prosthesis, which is fabricated on a metal base only. The separation of telescopic crowns requires a great force which would break a plastic base. We can use gold to fabricate the base, which is rather useful if the crowns are also made of gold. In that case the crowns can be mounted on the base by simple welding and do not require a special technique. However, upper dentures are rarely made of gold, because the weight of this metal would pull the denture downward.