Clasp prosthesis in the modern world is gaining more and more popularity. On the one hand, this is due to the fact that the production of this type of prosthesis has become better. For their manufacture, new modern materials are used, thanks to which the entire design of the prosthesis becomes easy, convenient and invisible to people around. This method of prosthetics is very hygienic, wearing prostheses does not cause discomfort to patients. It is these qualities that make the procedure popular. In the article, we will take a closer look at the stages of manufacturing a clasp prosthesis, its advantages, types, cost and patient reviews.
Clasp prosthesis: what is it?
The false jaw is a phrase that is a sentence for many people. Immediately comes to mind a complex, uncomfortable design, which, being in the mouth, causes more harm and discomfort than good. In addition, removable dentures prices are quite high, which also repels potential customers.
Fortunately, modern science and medicine do not stand still. Now dentistry is successfully practicing the use of clasp prostheses. They are a type of all removable dentures and have many positive qualities.
The manufacturing technology of the clasp prosthesis is fundamentally new, has several important stages, the sequence of which must be observed.
The main difference between the clasp prosthesis and the acrylic design is a metal frame or arc. Due to this, the thickness of the plastic base of the prosthesis becomes smaller, and it is more convenient to wear it.
All models of such prostheses have a clasp frame, a base made of acrylic plastic (artificial teeth are placed on it) and special devices that will help fix the prosthesis in the mouth. The metal arc, which is the hallmark of the clasp prosthesis, performs the main fixing function.
The manufacture of metal frames is also an important stage for high-quality prosthetics.
The frame for the prosthesis is soldered and solid. The first is very simple to manufacture, but it is inconvenient to carry. Now such frames are used less and less, since comfort for the patient is one of the main qualities that the false jaw should have.
The only requirement for patients is a few stable supporting teeth on which crowns can be fixed.
For the manufacture of the frame using the following materials:
- Stainless steel.
- Gold platinum alloy.
- Chromium-cobalt alloy.
It should be noted that arch prostheses do not affect diction in any way, which is also their undeniable advantage.
Types of arch prostheses
The main feature by which clasp prostheses are classified is a method of fixation in the oral cavity.
- Clammer fixation. This is the most common option and the most inexpensive. Clasps are special hooks that are worn on strong abutment teeth. As a rule, with this method of fixation, the abutment tooth does not need to be further processed or grinded.
- Lock mount. Instead of clasps with this method of fixation, micro-locks are used. One part of such a lock is attached directly to the prosthesis, and the other to the crown, which is worn on the abutment. This type of mount is very convenient, looks aesthetically pleasing and less noticeable to people around. Lock fastening is considered more reliable, in comparison with clammer fixing. And the price is a little higher. The main disadvantage of such a prosthesis attachment is that the abutment teeth need to be sharpened before putting on the crown. And the grinding process is irreversible.
- Telescopic crown. This method of fastening the clasp is the most convenient and aesthetic. But only a highly qualified dentist will be able to carry out such prosthetics, as this is a long and complicated process. The telescopic crown consists of two interacting parts. A non-removable part is a crown that is fixed on a previously sharpened abutment. The removable part is attached to the prosthesis and, during its fixation, is put on top of the support crown.
- Splinting prosthesis. In this way, movable teeth are fixed during periodontal disease. For fixing, a metal plate is installed on the inner side, which is curved in the shape of the abutment tooth.
The advantages of clasp prostheses
- Strength. Ordinary models break down quite often, and after repair they already sit loose in the mouth. Because of this, there is discomfort, and even pain. Clasp prostheses do not have such a problem due to the lightweight metal frame.
- Clasp dentures take up less space in the mouth than traditional models. That is why during the conversation and eating, there is no inconvenience, and the patient quickly gets used to the prosthesis.
- When eating, the load is distributed not only to the gums and mucous membranes, but also to the supporting teeth. Thanks to this, the chewing process becomes more effective and there is no pain.
- Thanks to the clasp prosthesis, the sky in the mouth remains open, which makes the wearing process more comfortable and does not affect diction.
The constituent elements of the clasp prosthesis
The following basic elements of a prosthesis exist:
- A metal frame, or arc, which is necessary to connect all the elements of the prosthesis in a single structure.
- A part of the construction in the form of a saddle on which artificial teeth are attached.
- Special devices for high-quality fixation of the prosthesis.
The clasp prosthesis does not have any complicated intricate parts, so wearing such a false jaw is very easy and comfortable. What are the stages of manufacturing a clasp prosthesis, we will consider further.
What material is used for arch prosthetics?
For the manufacture of clasp prostheses using new modern materials. Due to this, their quality is increased, and, accordingly, popularity among patients is growing.
Metallic and non-metallic materials for dentures can be used. In the first case, stainless steel or metal alloys are used, in the second - plastic.
Nowadays, dentures with a cast structure are increasingly used in modern dentistry. As for brazed prostheses, they are used in practice less and less.
Clasp dentures with a monolithic frame dentists consider the best.
The main stages of the manufacture of clasp prostheses
The following steps for making a clasp prosthesis are :
- Clinical (manufacturing).
- Laboratory.
- Clinical (prosthetics).
Next, we consider in detail all the steps of manufacturing a clasp prosthesis.
Detailed description of the clinical phase
The patient should come to the dentist several times.
- First, a comprehensive examination is carried out and an individual treatment plan is drawn up.
- Then the abutment teeth are selected, examined, if necessary, treated and grinded (if castle and telescopic models are used). The choice of abutment teeth is a very important stage, so they can not withstand the load when wearing the prosthesis and there is a risk of losing them.
- After this, a cast of teeth is made. For high-quality manufacture of the prosthesis, you need to make two prints.
- When the dental cast is ready, a prosthesis model is made using it.
- Then it is necessary to carry out its fitting and adjust, taking into account the results of the fitting.
- When all the steps are completed, the denture is finally installed in the oral cavity of the patient.
A detailed description of the laboratory stage of the manufacture of the prosthesis
- At the first stage, you need to make a diagnostic model. For this, durable gypsum is used, thanks to which it is possible to make a model that is suitable individually for each client. At this stage, all the details of the structure of the patient's oral cavity are taken into account.
- At the second stage, it is necessary to determine the nature of the bite, as well as to study the location of the lower and upper jaws in three perpendicular planes.
- Next, you should carefully examine the supporting teeth and determine the level of load that they can withstand.
- Next, a graphic image of the clasp prosthesis and its drawing are applied to the obtained diagnostic model.
- Then, on the same plaster model, the process of turning the selected abutment teeth is simulated, that is, a control preparation is carried out. In this way, then the process of turning the natural abutment teeth will be carried out.
- According to the drawings on the diagnostic model, a model of the future prosthesis frame is formed from wax.
- Using the obtained wax model, the framework of the clasp prosthesis is cast. The wax blank is removed from the gypsum model and placed in a refractory form. There, under the influence of temperature, wax is smelted and acrylic plastic is poured in its place.
Casting can be done without removing the wax blank from the diagnostic model. In this way, possible deformation of the wax blank can be avoided, and the finished structure will be more accurate.
Wax is removed from the resulting framework, polished and polished. Then try on it in the oral cavity of the patient. - At this stage, artificial teeth are mounted on the wax rollers.
- Then the obtained wax structure is placed in a gypsum mold, from there the wax is melted and removed, and acrylic plastic is poured instead. Thus, the metal and plastic parts of the clasp prosthesis are connected.
- At the final stage, the finished prosthesis is passed to the dentist for installation in the patient's oral cavity.
Manufacturing technologies for cast clasp prostheses
You can correctly make the clasp prosthesis only if you have a special laboratory. Let us consider in more detail two methods of manufacturing the structure:
- In the first method, the structure is cast with the removal of the workpiece from the gypsum model. The blank is placed in a refractory mask where the wax is smelted, and molten metal is placed instead.
- In the second method, the workpiece is not removed from the gypsum model. Thus, the future prosthesis is not deformed, and wearing it will be more comfortable.
Cast clasp prostheses are very light and easy to manufacture, so the patient does not need extra time to get used to them. They immediately comfortably located in the oral cavity and do not cause inconvenience.
How to care for the prosthesis?
You need to take care of the clasp prosthesis in the same way as for real teeth. To carry out hygienic treatment of the structure, it must be removed from the mouth. But at night the prosthesis does not need to be removed. Proper care of the prosthesis is necessary in order to prevent the development of microbes under it. Before you remove the structure from the oral cavity, be sure to rinse your mouth with water to wash the leftover food. Do not neglect the care of the prosthesis, in no case do not think that if the teeth are not real, then you can do nothing and do not care for them. To store the prosthesis, it does not need to be placed in a glass of water.
How long will clasp dentures last?
If you follow all the rules of use and care of the denture, then it will last at least 5 years, or even more.
It should be noted that under the clasp construction, the gums and bone tissue are less susceptible to atrophy and deformation than when using plastic prostheses.
How much does prosthetics with clasp prostheses cost?
Not all people can afford removable dentures. Prices for such designs are very diverse and depend on many factors. The cost of prosthetics is affected by:
- The difficulty of manufacturing a prosthesis.
- Materials that are necessary for the manufacture of the structure.
- Type of attachment of the prosthesis to the teeth. Locking will cost more, since prosthetics include the price of the locks and crowns themselves.
- Services for preparing teeth for prosthetics can also be included in the price (dental treatment, impression taking, etc.).
The cheapest clasp prosthesis will be the cheapest. Its price is 15 thousand rubles. A complex and splinting clasp prosthesis will cost you 5 thousand more. But for the design on the locks will have to lay out from 35 to 50 thousand rubles.
Despite the considerable cost of clasp prosthetics, its popularity is growing very quickly due to quality, convenience and a long service life.
Patient reviews for arch prosthetics
Clasp dentures received a number of positive reviews from patients. First of all, people note the long service life of such a prosthesis. Many patients consider the convenience and comfort of wearing a structure to be an important criterion. In addition, the prosthesis does not affect diction and does not fall out of the mouth, as can happen with conventional models.
Conclusion
So, in the article we examined in detail the clasp prosthesis: what it is, what it happens, its advantages, stages of manufacture and patient reviews. All people who had to use clasp prosthetics were satisfied and can safely recommend such prostheses to their friends.