Losing teeth is not just a cosmetic problem. With the loss of several diseased teeth, adjacent, still healthy teeth are gradually shifted.
All dentures can be divided into two groups – elastic and
Clasp dentures consist of a metal base, a plastic base
Elastic dentures. This variety includes prostheses made of soft plastics. They do not have a rigid foundation, they simply put on the gums and “stick” to the mucous membrane. And with the partial absence of teeth, as well as the clasp teeth, they are additionally attached to the supporting teeth, clinging to them with the help of hooks. Such prostheses are nylon, acrylic, and in recent years, innovative AcryFree and Quattro Ti prostheses are increasingly used.
Acrylic has been a widely used material for the manufacture of removable dentures for many years. Of course, it has its advantages: in particular, such prostheses are quite soft and do not hurt the gums. But acrylic has a porous structure, and the presence of pores in the base leads to the active reproduction of bacteria. In addition, acryl is an allergenic material. True, today many laboratories and clinics use acrylic of the new generation – with the addition of diamond chips. This allows you to create a design more smooth, ie, less porous, which significantly extends the service life of such prostheses.
Nylon is similar in quality to acrylic, but it has a smooth homogeneous structure and does not cause allergies. Nevertheless, this material has a lot of minuses. The nylon base of the prosthesis is quite soft: when chewing, the patient may feel discomfort and pressure on the gums. Because of this, over time, the prosthesis will deform, which will require its frequent relocation (adjustment). In addition, micro-scratches appear on the surface of the prosthesis, in which bacteria also begin to actively proliferate.
Quattro Ti is a special type of elastic prostheses, they are made of special soft plastic Dental D based on nylon. The prosthesis is fixed using soft hooks that cling to the surviving teeth. Quattro Ti prostheses are compact and comfortable. Compared to nylon, such constructions are less elastic – which significantly prolongs the service life without causing discomfort. In contrast to all the listed soft prostheses, these are the only structures that, with partial restoration of teeth, do not overlap the sky in the upper jaw.
AcryFree, again, is slightly tougher and stronger than nylon prostheses, practically not susceptible to deformation, durable, and, importantly, affordable. AcryFree prostheses can be attached to the teeth with elastic hooks or, if their own teeth are completely lost, stick to the gums.
The most modern are Quattro Ti and AcryFree – they are durable, durable (can serve 7 years or even more), hypoallergenic. The base perfectly imitates the natural texture and color of the gums, and the dentures themselves are securely fastened in the mouth, without causing discomfort during chewing and without disturbing the diction.
Removable dentures with partial edentulous
If a person has at least one tooth, adentia – the absence of teeth – is called partial. With partial edentulous dentures, they can rely on both gums and teeth. Fixed prostheses of this type are more reliable, and the chewing load is distributed more evenly.
Removable dentures are often used to replace a number of teeth. They are also in demand by patients who do not want to grind their own healthy teeth in order to install a dental bridge on them. It is worth mentioning the fact that removable dentures are relatively inexpensive and accessible to almost everyone.
With partial edentulous, a clasp prosthesis will be a good option (it is fixed best of all due to the presence of metal hooks), a Quattro Ti prosthesis, or the use of AcryFree prostheses is also possible.
Removable dentures with no teeth
If there are no teeth left, the patient has to choose whether to install a fixed prosthesis fixed on 3, 4 or 6 implants (All-on-3, All-on-4 or All-on-6 methods, which will be described below), give preference to a conditionally removable prosthesis or limit to a removable prosthesis that is attached to the gums and the sky due to adhesion (sticking).
In cases where it is impossible to place implants, the patient is afraid of this medical manipulation or wants to save, with full dentition, you can use AcryFree or Quattro Ti dentures. They will be sufficiently securely fixed in the mouth. True, they have a minus – they do not stop the process of atrophy of the jaw bone, so it will continue to decrease in volume. So, the reliability of fixation of the prosthesis will be under threat – it will require frequent relocation in laboratory conditions.
However, there are much more convenient and durable alternatives. In particular, conditionally removable prostheses on implants. They are called so because they do not need to be removed daily – you can put on a prosthesis and forget about it for several weeks, until the time comes for its cleaning.
Conditionally removable prostheses are placed on implants implanted in the jaw bone tissue. There are two main types of fastening – the beam, in which the implants are interconnected by a horizontal titanium beam, and spherical, which involves the use of implants with a rounded head. They enter the holes in the prosthesis and snap into place, like a fastener button. Beam fastening is more stable and reliable, although the spherical is still used quite widely.
The conditionally removable dentures have many advantages. They are smaller and more comfortable than removable ones, they look more natural, last almost twice as long and are fixed stronger. In addition, when installed on an implant, the denture does not put much pressure on the gums, and therefore does not rub or cause discomfort.
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