Acri Free prostheses: characteristics, types, advantages, disadvantages, care, adaptation, care

Characteristic

The new generation elastic prosthesis has unique characteristics. The design differs in many ways from acrylic and other analogues:

• It contains no allergenic monomer;
• The base is flexible and comfortable;
• The appearance of the prosthesis is aesthetic - it repeats the colors and shape of real gums and teeth;
• The product is comfortable to wear - it does not rub or pinch.
• The composition of Akri Free includes several materials.

Let's look at them in more detail:

• Transparent base made of special resins;
• Crowns made from ceramics or plastic;
• The mechanism for fastening is clasps. In some cases, the prosthesis is attached by suction to the gum without the use of special glue.
• All materials used are considered hypoallergenic. Due to this, all people can use the design. Moreover, since acrylic resins are used in the production of the prosthesis, it is as durable as possible, and at the same time aesthetically pleasing.

Acry-Free material is obtained by pressing special acrylic granules under the influence of temperature.
This technology makes it possible to create a product with a pleasant pinkish tint, matching the color of the gums. Since the orthopedic design is performed strictly individually, it is possible to repeat as accurately as possible all the lines and curves of the oral cavity. That is, it is quite easy to restore the dentition in comparison with plastic dentures. At the same time, a product made from acrylic resins is much more aesthetically pleasing.

Means that can be used to clean structures

How to clean Acri-Free prosthesis? Here you will need everything that is used to clean natural teeth, but in a more gentle version. After all, dentures are made of artificial materials, which are much softer than tooth enamel. You need to clean them well, but do not damage the surface and fastenings (clasps). And also several additional funds. Since monomer-free acrylic and materials for artificial teeth have tiny pores on the surface. Plaque and microbes settle in them and are difficult to remove using conventional means. Let's look at what you need for care:

• special toothbrush,
• special paste for dentures,
• solutions and tablets for preparing solutions,
• ultrasonic bath,
• additional means - an irrigator and a travel kit, if you need to carry out care with the Acry-Free structure and for your oral cavity outside the home.

Special toothbrush

• Why is it needed: for better removal of plaque from artificial materials,
• what to replace: a combination of an orthodontic mono-beam brush and a regular brush (soft or medium hard), both used during one brushing,
• What not to replace: a brush with stiff bristles. According to assurances, it is 10 times stronger than other materials, but it still scratches easily.

You need to care for dentures made from Acry-Free material in the same way as other removable acrylic structures. A special double-sided cleaning brush is required. On one side of the head there are wide rows of densely arranged bristles, on the other there is a thin tuft or wedge of bristles.

The wide side of the brush is equipped with bristles of different directions - straight, zigzag, “step”. They clean fresh plaque well in open areas. Note that the pink Acri-Free material is slightly transparent. And the dark coating on it is more visible than on traditional acrylic. The artificial gum darkens especially strongly in the “thin zones”, on the gingival papillae between the teeth. Both sides of the brush are useful for cleaning these areas.

Popular brushes: Oral-B Pro-Expert Clinic Line, PresiDENT Denture, Protho Brush De Luxe.

Toothpastes and gels

• Why are they needed: for splitting and removing soft plaque,
• what to replace: household toothpastes without abrasive particles (RDA index below 75 units), children's pastes, tooth gels,
• What not to replace: whitening and pastes with an abrasiveness higher than 75 RDA, tooth powder (damage the coating), colored pastes (can stain teeth) and regular soap. It does not have such good cleansing properties and will leave a smell or soapy taste in your mouth,

The composition of toothpastes and gels is specially adapted for artificial structures. The products contain plaque-breaking enzymes (enzymes) and some antiseptic agents to eliminate harmful microbes that inhabit plaque. The paste cleanses well fresh dirt and fresh pigmented film, and eliminates unpleasant odors. It also gently polishes the surface. There are dual-use pastes - for dentures and for natural teeth. They contain fluoride, which strengthens the enamel.

The shade of the paste is neutral, so even if Acry-Free teeth or artificial gums have small scratches, cracks or abrasions, their surface will not be stained.

Popular products: Siberina and ROCS PRO Brackets & Ortho for orthopedic and orthodontic structures, Protefix Higiena, CURAPROX daily, Corega “2 in 1”.

Tablets and solutions

• Why are they needed: to remove stale plaque (which is 3-7 days old), for disinfection and minor whitening,
• what to replace: only professional cleaning in a clinic,
• what not to replace: pharmaceutical products (peroxide, for example), whitening pastes, gels and strips - the surface will deteriorate due to aggressive “chemistry”.

Cleaning solutions and tablets (for preparing solutions) contain precisely measured doses of powerful cleaning and disinfecting agents. These are citric acid, active oxygen, sodium perborate and bicarbonate, eucalyptus oil. Some manufacturers add a little indigo blue dye to solutions and tablets. It slightly tints the yellowness of artificial teeth, making them lighter - but this lightening is only temporary.

Popular products: Corega or Corega, PresiDENT, Protefix.

Ultrasonic bath

• Why is it needed: to remove old plaque and pigmentation, but Acry-Free will not remove very old and large growths on the prosthesis,
• what to replace: only professional cleaning in dentistry,
• What not to replace: an ultrasonic brush - although the principle of operation is similar, the brush acts in a targeted manner (and you can “overlook” the dirty area). The brush will not fit into all the recesses of the structure and will not remove plaque from there. And the silicone or plastic “teeth” between the bristles can scratch the surface.

“Acry-free” is immersed in a liquid poured into an ultrasonic bath - you can even use a cleaning solution. After turning on the device, the structure is covered with tiny air bubbles, which increase and decrease, thus destroying the plaque. There is no need to rub the prosthesis.

Baths or sinks from Bradex are popular on the market. There are more expensive models for cleaning silverware and jewelry. You can use such sinks, you need to check with your dentist.

Irrigator and travel kit

An irrigator is a device for washing hard-to-reach areas and subprosthetic space. If the Acry-Free prosthesis is a regular removable one, then an irrigator will not be needed. If it is removable on implants, then the irrigator must be used in all situations when the prosthesis is cared for without removing it. For example, after brushing your teeth, after eating and even after a small snack. Water or rinse aid will wash away pieces of food and soft plaque so that rotting does not occur and an unpleasant odor does not appear. But this will not replace a thorough cleaning from all sides. Therefore, the structure will have to be removed - on average once a week.

The travel kit is a mini version of all care products. It includes a brush for dentures, a small tube of paste, and less often a cream for fixation. Can be supplemented with a glass for soaking the structure and rinsing the mouth, a small bottle of mouthwash, and a compact irrigator. The kits are sold ready-made or assembled yourself.

Read on the topic: TOP 6 best adhesive creams for dentures - how to use them and what to choose.

Kinds

There are prostheses without a palate and complete Acri Free designs. Partial products are fixed using clasps.

Complete structures are attached directly to the gums; there is no need to use special glue. Dentures are made for both the upper jaw and the lower jaw. The full version is usually used for the upper jaw.

Partial construction is used in places where several adjacent teeth are missing. Their use allows you to achieve a good aesthetic result.

Removable prosthetics without palate

Acry Free is a removable prosthesis developed by the Israeli company.
Its base is made of a special type of plastic - thermoplastic acrylic. It is 10 times stronger than ordinary plastic. The product made from it is not damaged even with intensive chewing. In addition, it does not contain the toxic monomer methyl methacrylate, a resin to which patients are often allergic. On the website Stom-Firms.ru, read when Acry Free is shown, how it is installed, how much the service costs in dental centers in St. Petersburg.

Indications

Prosthetics with Acry-Free are indicated in several cases.

Namely, we are talking about those patients who:

• Are allergic to metal or plastic;
• Lost the dentition completely;
• They suffer from bruxism – teeth grinding at night;
• They do not have several or one tooth in a row;
• They suffer from epilepsy, diabetes, heart and vascular diseases;
• Have a job that is characterized by increased trauma;
• Suffer from periodontal disease or periodontitis. In this case, the prosthesis will prevent loosening and loss of teeth;
• They have sensitive and weak gums that cannot be supported by another type of denture.

There are many indications for using the product. That is why a large number of patients choose it. Due to the fact that the product is placed delicately in the oral cavity, it is recommended for use by elderly people and children.

How and in what to store Acre-Free

Returning to the topic of storing “teeth” in a glass, we note the following. Previously - decades ago - rubber dentures had to be placed in a glass of water overnight. Otherwise the material would dry out. This does not happen with modern acrylics, including monomer-free Acry-Free. On the contrary, excess liquid will be gradually absorbed, and the material will deteriorate.

Acri-Free is stored in a special container or box - it can be purchased at a pharmacy or in a clinic where prosthetics were performed. Storage boxes can be ventilated - so that the prosthesis does not “suffocate” and become moldy, and unventilated. The latter can be used as a bath for soaking in a disinfectant solution. Or, as a temporary option, you can store the structure in an ordinary household container (opaque). Storage - away from sources of heat and humidity, away from direct sunlight, so that the materials do not begin to deteriorate.

Advantages

Among the variety of prosthetic methods in modern dentistry, removable soft dentures remain one of the most used. Due to the presence of a large number of contraindications to fixed prostheses, patients are increasingly choosing other methods, and specialists are developing newer and more improved methods of prosthetics, one of which is Akri Free.

Acri Free material is durable, but not as hard as plastic, and it also has a natural appearance. And most importantly, it is as flexible as nylon.

Flexible structures can be recommended for people with an allergic reaction to metal, with minor damage to their teeth, as well as for dental prosthetics in children.

There are several types of prosthetics:

• removable denture, which is used in patients with complete absence of teeth;
• if the patient is missing only a few teeth of one row, a partially removable denture is used;
• If it is necessary to make a prosthesis for one or two teeth, then a microprosthesis is used.

The finished product is attached to clasps made of flexible nylon.

Making the base from this material has a more aesthetic appearance than metal structures. Due to the way dentures are attached to the outer teeth, they become almost invisible to others.

The use of modern dentures made of acrylic resins minimizes wearing discomfort and also has the following advantages:

• The prosthesis is highly durable and can withstand high pressure and loads;
• Due to the soft elastic frame, it does not rub the gums. There is no irritation, and the material from which the products are made does not harm the body and is not toxic;
• The presented dentures do not cause allergic reactions, and their surface does not allow microbes to appear on them;
• There is no need to grind your teeth before installing the structure, and dentists recommend installing it even if there are no teeth at all;
• The dentures are installed firmly and reliably. With proper use and care of them, experts allow athletes or people working in traumatic areas to wear them;
• They have a pleasant aesthetic appearance, and the absence of metal particles makes them look natural;
• The product can be removed only for cleaning, and not at night, which is very convenient when using it;
• You get used to it very quickly.

All this is great, but there is one caveat - the main load when chewing in a person with a denture falls on those teeth that are involved in this process. The patient may experience discomfort and subsequently there is a risk of atrophy of the bone tissue, which is located directly under the installed prosthesis.

Unfortunately, such a defect can occur with any type of prosthesis, so if you experience any unpleasant sensations, you should immediately contact your dentist.

Acre-free dentures: price 2022

For acrifri prosthesis, the price will depend on the size of the prosthesis (partial removable or complete removable denture), as well as on the price category of the clinic. For example, in mid-price clinics in Moscow, the price for a turnkey Akri free partial denture will range from 30,000 to 37,000 rubles, and the cost of a complete removable denture will range from 40,000 to 47,000 rubles.

The above prices are turnkey and include the doctor’s work and all materials for the manufacture of the prosthesis, examinations, and warranty. In economy-class clinics in Moscow, the cost can start from 25,000 rubles for a partial removable denture.

• Acri-free prosthesis on mini-implants - the fixation of a complete removable denture can also be improved, for example, by installing special mini-implants under the removable denture. The cost of an Acry-free prosthesis on four mini-implants Osstem (Korea) will be from 110,000 rubles.

However, if you have a sufficient budget, then even if you are completely missing teeth, you can even get a completely permanent bridge. This is possible, for example, when installing basal implants, which together with the prosthesis will cost from 255,000 rubles. Another option for permanent prosthetics in the absence of teeth is implantation using the All-on-4 method (about 350,000 rubles). In both cases, the fixation of the bridge is carried out within 2-3 days after the operation.

Manufacturing

To avoid getting a fake, you should know how Acri Free is made. To make dentures, an impression is taken, as in other types of prosthetics. The design takes about two weeks to complete.

The cost of the product varies depending on its type, but in any case, quality construction cannot be cheap. If it is a full prosthesis, then its price will be much higher than a microprosthesis. The full cost, as well as the size of the prosthesis, is determined by a specialist during a detailed examination.

Nylon dentures are an excellent alternative for people with allergic reactions to metal structures or if several teeth are missing. They, unlike other prostheses, are soft and elastic, which is an advantage if they are installed and cared for correctly, as well as with regular visits to the doctor.

Using Akri Free helps you not to change your usual lifestyle. Thanks to the lightness of the materials contained in the prosthesis, Acri Free is easy to install in the oral cavity. At the same time, they are fixed securely.

Installation is carried out in several stages:

• Pulpation of the oral cavity is performed.
• An impression is taken.
• The dentist makes a custom tray using hard material.
• An individual spoon is being fitted.
• A plaster cast is made.
• A template with rollers is produced.
• The dentist determines where the central part of the jaw lies, selects the desired shapes of teeth, and their color scheme.
• Plastering is carried out and teeth are installed in the model.
• Fitting is carried out.
• The product is duplicated, but with silicone materials.
• A duplicate model is made from plaster.
• The teeth are installed in a duplicate of the product.
• The teeth are carefully adjusted.
• Pressing is carried out.
• The prosthesis is removed, processed and polished.
• After this, it is placed in the oral cavity and fixed.
• The patient receives recommendations on how to use the structure.

How much the work of a master technician costs depends on the type of prosthesis being produced. The cost varies depending on whether you need a full or partial denture.

Comparison with other types of removable dentures: summary

Next, we will briefly formulate the pros and cons of Acry-free removable dentures - in comparison with the three main types of dentures (clasp, nylon and dentures made of traditional acrylic plastic). Read more about each of these types of removable prosthetics using the links below.

1) Comparison of Acri-free with clasp dentures -

Clasp-type dentures are used only in cases of partial absence of teeth. Their design feature is a metal arch passing from the side of the palate/tongue, which can significantly reduce the size of the plastic base of the prosthesis. Clasp dentures are the best option for prosthetics in case of partial absence of teeth (in terms of comfort of chewing and speech, reliability of fixation on the teeth).

Fixation of this type of prosthesis on the teeth can be carried out, firstly, through a system of metal clasps. But the disadvantage of this system is that if the clasps fall into the smile line, this will worsen the aesthetics. The second option for fixing it on the teeth is with the help of micro-locks (attachments), and in this case you will get excellent aesthetics and even greater chewing comfort. Read more about clasp dentures at the link above.

Clasp dentures with clasps: photo

Advantages of Acry-free –

• better aesthetics (compared to clasp dentures with clasp fixation),
• possible if you are allergic to metals,
• much lower price.

Disadvantages of Acry-free –

• fixation on the teeth is much worse than that of clasp dentures,
• speech, diction, taste perception of food will also be “somewhat worse”,
• significantly less comfortable chewing of food.

Important: comfort when chewing food is related to the extent to which the chewing pressure from the prosthesis applies not only to the gums, but also to the remaining teeth. With dentures made of nylon, Acre-free, and traditional plastic, all chewing pressure applies exclusively to the gums, which leads to uncomfortable, painful chewing of food.

For example, in clasp dentures with clasp fixation, approximately 1/3 of the chewing load is distributed to the supporting teeth (due to supporting metal clasps). And with dentures fixed with micro-locks, approximately 1/2 of the chewing pressure will be applied to the remaining teeth, which makes chewing even more comfortable. As for speech and diction, they will depend on the thickness and size of the denture base in the area of ​​the front teeth (on the side of the tongue and palate).

With clasp dentures, only a fairly thin metal arch passes through these places, which will not affect speech and diction in any way. But Acri Free dentures have a base size and thickness that is only slightly smaller than traditional dentures made of acrylic plastic, and they will also almost completely cover the hard palate, covering most of the taste buds (after all, taste buds are located not only on the tongue, but also scattered over the surface of the oral mucosa.

2) Comparison of Acri-free with nylon prostheses -

Elastic nylon dentures are very similar in appearance to Acry-free dentures and have equally good esthetics. Some dental clinics in their advertising often refer to Acry-free dentures as second-generation nylon dentures made from moderately flexible nylon. This is a misnomer, because... nylon and Acry-free material belong to completely different classes of materials.

The degree of elasticity of nylon prostheses: video

Advantages of Acry-free –

• good aesthetics of the prosthesis is preserved for a long time (unlike nylon prostheses, in which after six months or a year the surface of the prosthesis darkens and becomes rough),
• more rigid prosthesis base,
• less bone atrophy under the prosthesis,
• less food gets under the prosthesis,
• more comfortable for chewing,
• suitable for conditionally removable prosthetics on implants (nylon is not used for this).

There are no disadvantages of Acry-free over nylon prostheses.

Adaptation

Prostheses are easy to use and aesthetically pleasing. As practice shows, adaptation to them does not take much time. It takes less than 14 days for the patient to get used to the product. Moreover, after just 2 days, speech defects disappear, and chewing function returns to normal.

Since the prosthesis is securely fixed in the oral cavity, it will not rub or injure the mucous membrane. Specialists select the color of the structure so that it matches the gums as closely as possible, so the product becomes invisible. Only a doctor can determine whether a prosthesis has been installed.

Important! If the structure does not fit tightly to the oral cavity and is loose, you should consult a dentist. It will eliminate the balance and prevent the prosthesis from remaining mobile. Otherwise, the product can quickly rub the mucous membrane, which is extremely unpleasant.

It is worth noting that sucking regular lollipops will help you get used to the design faster. The patient should also speak and read more, then adaptation will be faster.

If pain occurs during the first 24 hours while wearing a prosthesis, this is considered normal. In this case, you should just take it off at night and rest. But the next morning, it is recommended to put the device back on and go for a consultation with a doctor. Only he can correct it if necessary.

Problems that arise from improper care of Acri-Fi

• aesthetics decreases - teeth and gums darken, because plaque and dyes from food penetrate into micropores on the surface,
• a hard coating appears on the base and teeth - it looks like a white or gray film, plaques,
• the structure begins to smell unpleasant,
• gums become inflamed, stomatitis appears - due to microbes in the plaque (plus the denture, like any removable one, rubs), and wearing Acry-Free if you have inflammation of the mucous membranes is prohibited - otherwise it will become worse,
• caries appears in the supporting teeth, which can even lead to tooth extraction,
• risk of tissue inflammation around implants and rejection,
• glossy shine disappears, because Scratches and cracks occur on the surface due to unsuitable paste or brush.

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As a result, due to poor care, the risk of dental diseases increases, the service life of the prosthesis decreases from 5 years to 2-3 years, as well as its premature breakdowns.

Care

Caring for your prosthesis is easy. They must be rinsed after each meal, and once every 7 days the product must be immersed in a special solution for deep cleaning. It is not necessary to remove the denture every night.

How to clean the product with a brush? It should be soft, and the use of abrasives is contraindicated. The cleaning procedure can be carried out both in the morning and in the evening, as well as after meals.

There are special brushes for dentures, the shape of which makes it possible to clean more effectively. They have bristles on both sides of the head, and on one side of the head the bristles are zigzag. It perfectly cleans the outer surface of the product.

On the other side the bristles are slightly rounded. And its scope of application is cleaning the concave side of the base.

With proper care, removable dentures last a very long time (about 7 years) and do not cause inconvenience to the patient. Do not forget that to correct the product you will have to visit the dentist 2 times a year. How to store the structure? It is enough to put it in a clean and dry place.

Acry-free dentures: disadvantages

On most websites of dental clinics you can read advertising information that Acry-free dentures, although a little elastic, still have a rigid base that is capable of distributing the chewing load throughout the jaw (which fundamentally distinguishes acry-free from nylon dentures).
This is not entirely true, and let's figure out why this is important... Nylon dentures have such an elastic base that if you bite something on the denture, the chewing load will be almost completely transferred to the gum only under the biting site, and not throughout the entire denture bed ( what happens in prostheses with a hard plastic base or a metal arch). This causes not only pain when chewing, but also severe atrophy of the bone under the denture.

Acry-free dentures have lower elasticity than nylon. And, of course, in this case the chewing load will be better distributed, but there will still be bone atrophy under the prosthesis! At the same time, the rate of bone atrophy under Acri-free prostheses will still be higher than that of prostheses with a completely solid base, for example:

• clasp dentures,
• prostheses made from traditional acrylic plastic.

In addition, dentists’ reviews of Acri-free dentures also indicate that the clasps of this type of dentures are only retaining and at the same time only “gingival” ones. Such clasps do not contribute to the uniform distribution of the chewing load between the remaining teeth and the tissues of the prosthetic bed. This means that even if you still have teeth, the entire load from the Acri-free prosthesis will go only to the gums (which a priori will mean pain and discomfort when chewing food).

For some other types of dentures (for example, clasp ones), the clasps are used not only for retention, but also for support. Support clasps are capable of transferring part of the chewing load from the prosthesis directly to the remaining teeth. In turn, this will contribute to a lower rate of bone tissue atrophy under the prosthesis, and also makes the process of chewing food much more comfortable (since a significantly smaller chewing load will be applied to the gums).

Conclusions: therefore, Acry-free dentures should not be used in patients who, firstly, already have severe bone atrophy in the area of ​​missing teeth, and secondly, in patients with periodontitis of any severity, who already have progressive loss of bone tissue around the teeth . It is also undesirable to use such dentures in patients suffering from excessive involuntary clenching of teeth (bruxism) and high tone of the masticatory muscles.

Indications and contraindications for installation

Due to their features, such prostheses are an ideal option when:

• there is an allergy to acrylic or metal;
• there are contraindications to treatment of abutment teeth (or the patient refuses it);
• stomatitis, periodontal disease and other diseases of the oral mucosa;

Removable dentures are contraindicated for use by people with significant bone atrophy or the presence of inflammatory gum diseases.

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Prices

The cost is affordable for many people, and not just a select group: in different regions it ranges from 18 thousand rubles (taking into account promotions and discounts for regular customers) to 35 thousand rubles.

Table of approximate prices:

Table No. 2

Laboratory specialists produce one prosthesis within 1.5-2 weeks.

Comparative prices for prostheses of various modifications:

Design features

During production, a material is used that does not contain various monomers - low molecular weight compounds, which in some cases serve as the starting component for the synthesis of polymers.

Photo: Acree Free full denture

The chemical properties of plastic and its better elasticity compared to conventional acrylic make it possible to make the entire structure much thinner, which significantly reduces its weight, ensuring ease of use.

Prosthesis design:

• the almost transparent part of the gum of the prosthesis looks natural, which makes it invisible;
• artificial teeth made of ceramics or body-safe plastic, do not have metal components, and are firmly fixed to the base;
• fastening elements in the form of hooks are made of the same material and are a continuation of artificial gums;
• when the prosthesis replaces the entire row of teeth, suction cups are provided on the lower part , and the entire structure tightly covers the gum for reliable attachment. Glue or special cream is not used in such cases;
• Gum simulators are made of translucent material and are visually indistinguishable from natural ones.

The complete absence of metal components is another advantage of Acri-Free over its analogues, which makes them safe to wear.

Photo: before and after installation of a removable denture