Forfenan for treatment and filling of root canals in dentistry

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During endodontic treatment, the dentist faces several tasks - suppression of pathogenic microflora in the tooth canal, reliable sealing of the cavity, ensuring the longest possible antimicrobial effect in order to prevent re-infection of the tooth.

The pharmacological industry produces a variety of therapeutic and filling materials that make it possible to successfully cope with this task.

Purpose and composition

Forfenan is a set of components for the preparation of a sealing paste, which is subsequently used to fill the dental canals.

The manipulation is carried out to isolate the pulpless part of the tooth from the periodontium (obturation), as well as for antiseptic treatment, filling difficult or infected root canals.

The paste is produced by SEPTODONT in France. Used to seal the canals of milk and permanent elements, i.e. applicable:

• in the treatment of pulpitis of temporary units with devital amputation of the root pulp;
• when filling permanent dental elements affected by caries.

Important! It is not recommended for the treatment of anterior teeth, since the coronal part of the pulpless unit may change color. It is problematic to neutralize such an effect, and you will have to install veneers or lumineers.

Application Guide

Filling dental canals with Forfenan is carried out using standard technology:

1. Anesthesia.
2. Isolation of tooth with rubber dam.
3. Treatment of canals with burs.
4. Rinsing and disinfection of canals with antiseptics (sodium hypochlorite, hydrogen peroxide).
5. Drying the cavity with paper points.
6. Mixing Forphenan.
7. Canal filling.

The paste is applied in small portions. The simultaneous use of gutta-percha pins is possible, especially in cases where the possibility of re-treatment cannot be excluded.

Pulpotomy with mummification of the pulp of a baby tooth

1. Anesthesia.
2. Isolation of tooth with rubber dam.
3. Preparation of a cavity affected by caries.
4. Opening the tooth with a high-speed, water-cooled bur.
5. Removal of coronal pulp using an excavator or bur.
6. Rinse the cavity with distilled water, dry with cotton balls.
7. Control and eliminate bleeding if necessary.
8. Preparation (mixing) of forphenan.
9. Introducing material into the mouth of the canal, covering the pulp horn.
10. Permanent tooth filling with Forfenan or other filling paste.

The use of Forfenan for devital pulp amputation is most appropriate in school-age children with pronounced resorption of the roots of primary teeth and replacement of the root pulp with granulation tissue.

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Characteristics

Forfenan has established itself as a convenient and easy-to-use material that allows three actions to be carried out simultaneously in just one procedure:

• Carry out accelerated antiseptic treatment.
• Introduce a long-acting antiseptic.
• Seal the channels hermetically.

When mixing the components included in the Forfenan kit, the resulting paste hardens within 24 hours. The basis of the mass is formed by an antiseptic mixture and red resin.

During polymerization, the temperature of the material rises, and a certain volume of gaseous formaldehyde is released from it, penetrating into the dentinal canals . This substance converts the albumins present in the components into insoluble antiseptic mixtures.

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Advantages

Forphenan differs from analogue materials in the following advantages:

• Convenient to use , i.e. it does not depend on the level of moisture during filling and hardening, is characterized by a high plasticity index, does not stick to instruments when working, and retains its primary properties during long-term storage.
• It is well introduced into the canals and fills them tightly - it has a good fit to the canal walls and chemical adaptation to the tissues, fills their entire volume without leaving cavities.
• It is resistant to chemical influences and has a minimal degree of solubility , therefore, it is not destroyed by dentinal fluid or saliva.
• Keeps the volume constant , which means it does not shrink.
• It is radiopaque, i.e. there are substances (in this case it is barium), thanks to which it is possible to monitor the condition of the treated tooth and the filling placed using X-rays.
• It has a pronounced disinfectant effect - it blocks the activity of pathogenic microflora and prevents its further spread.
• Biocompatible - does not harm the mucous membrane, dental tissues and the body. There are no toxic components in the composition, the drug is safe for health workers and patients.

Thanks to these advantages, the material is an important addition when performing any type of root canal filling.

Kneading technique

To properly prepare the paste for closing canals from the materials included in the kit, you need to perform all the steps in the following sequence:

• Pour 1 powder dispenser onto a special glass for mixing.
• Add 1 drop of each solution to it.
• Mix well.

If it is necessary to obtain a less durable paste at the output (for example, when repeated passage of the channels is assumed), then 2 drops of the medicinal solution and 1 drop of liquid for hardening must be added to the same portion of the powder.

Application Guide

The treatment process for sealing root canals with Forfenan is carried out in the following order:

• The dentist examines the oral cavity and makes a conclusion about the condition of the problem tooth. If necessary, the patient is sent for an x-ray to determine the number, location and condition of the root canals.
• Examination of an x-ray.
• Conducting topical anesthesia. Before applying a local anesthetic, the mucous membrane is dried. As soon as the anesthetic has shown its full effect, it is washed off with a stream of water.
• Injection of anesthetic. Transcortical anesthesia is usually performed, during which the lips, palate and tongue do not become numb, but the sensitivity of the area of ​​4 teeth is lost (2 elements before and 2 elements after the injection site of the anesthetic).
• Full access to the canals is created for their treatment. Burs are used to open the pulp chamber or a special cutter is used to prevent overheating of the interroot zone.
• A rubber dam (latex curtain) is applied.
• The pulp chamber is opened. Infected remains are removed from it.
• Instrumental and then medicinal treatment of the canals is carried out.
• Drying.
• Filling the canals along their entire length with Forfenan paste. The material is introduced in portions using a root needle or channel filler.

At the end of the process, an x-ray is taken. The procedure is mandatory during endodontic treatment and is necessary to assess the quality of canal sealing.

Forfenan - instructions for use

1. open the tooth cavity using one of the usual methods, completely remove the remaining pulp. Carry out mechanical and medicinal treatment of the canals
2. dry thoroughly;
3. When preparing a filling paste, use a mixing device to mix one dose-spoonful of powder with one drop of each liquid. When it is necessary to obtain a mixture that is not so strong, for example, if repeated passage of channels is envisaged, it is necessary to use one measure of powder with one drop of liquid for hardening and two drops of healing liquid;
4. fill the canal using the paste prepared in this way.

Recommendations and precautions

When working and handling Forfenan material, precautions should be followed, since it contains a potent component - formaldehyde.

This substance is toxic and negatively affects the body if vapors are accidentally inhaled or come into contact with open skin and mucous membranes. At high concentrations, formaldehyde can also cause burns.

It is for this reason that when treating canals, it is necessary to isolate the problematic element from the surrounding tissues with a rubber dam.

Before starting work, you must wear gloves. If the material gets into your eyes or mucous membranes (skin), rinse thoroughly with water.

It is also necessary to take into account the possibility that the client may be allergic to the ingredients of Forfenan paste. Usually, the doctor finds out the likelihood of this fact before starting treatment.

From many dentists you can hear arguments about the inappropriateness of using formaldehyde-based products in practice. However, SEPTODONT guarantees that the material meets all international standards in terms of quality and safety criteria.

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special instructions

It is necessary to take precautions when handling the medicinal solution, as it contains the potent substance formaldehyde.

This substance is very toxic and has a negative effect on the body if inhaled, swallowed, in contact with open skin, on mucous membranes, etc. Can cause a burn. Therefore, it is very important to isolate the tooth from surrounding tissues. To achieve this, dentists use traditional means such as rubber dams and rubber dams.

Before working with the material, be sure to wear gloves. In case of contact with skin, eyes or mucous membranes, they should be rinsed with copious amounts of water. To avoid negative health consequences, it is recommended to seek medical attention.

It is also necessary to take into account the likelihood that the patient has allergic reactions to the components. It is important to identify this before the procedure.

Experts from post-Soviet countries are actively arguing about the advisability of using formaldehyde products today. However, it is necessary to mention that the composition of the French drug Forfenan with a 100% guarantee meets the strict requirements in force within the European Union. The material is recognized as safe and certified.

Release form, storage and price

Forfenan is available in sets consisting of three containers:

1. 10 ml - with treatment solution. Active ingredient: 80.0 g formaldehyde with 100.0 g filler.
2. 20 g - with powder. Main components: 49.8 g barium sulfate, 0.2 g dexamethasone, 100.0 g excipient.
3. 10 ml - with hardening solution. Includes: 13.0 g hydrochloric acid, 25.0 g resorcinol, 100.0 filler.

The set also contains a device for mixing all ingredients and a dispensing spoon.

The material must be stored in a dry place protected from UV rays at an acceptable temperature range: from +5⁰ to +25⁰C for two years from the date of manufacture. Storage requires keeping the product in a tightly closed package.

The average cost of a set varies from 4 to 5 thousand rubles.

Composition and release form

Available as a kit, which includes:

• a bottle of medicinal solution for treatment (10 milliliters);
• container with powder (20 grams) with a special dispensing spoon;
• a bottle of hardening solution (10 milliliters);
• special mixing tool.

The treatment solution is made from formaldehyde and filler. The powder consists of sulfate, dexamethasone and excipient.

The hardening solution is made from hydrochloric acid, resorcinol and filler.

Analogs

Dentists also use analogues of Forfenan in their work, which are not inferior in characteristics and properties to the material in question.

Resorcinol

White with a grayish or light yellow tint, crystalline powder. It has a specific faint odor and quickly dissolves in alcohol or water.

In light and air it changes its color to pink. It is a derivative of phenol, but is slightly inferior in antimicrobial activity.

Phenol is less toxic and less irritating to mucous membranes and tissues. It is characterized by keratoplastic (at low concentrations), keratolytic and cauterizing effects (at high concentrations).

In dentistry it is still applicable in the case of:

• treatment and sealing of root canals for complicated caries;
• cauterization of keratinized areas of the mucous membrane;
• treatment of periodontal disease.

The demand for the material is explained by several facts:

• ease of operation;
• quickly achieving the required result;
• low cost.

Important! Over time, a resorcinol-based filling turns the treated dental element pink.

Rezident

The material is used for antiseptic treatment and filling of root canals (including difficult to pass) with partial pulp expiration.

Set contains:

• medicinal liquid containing formaldehyde;
• hardening liquid;
• powder based on resorcinol and radiopaque filler.

Additionally, it exhibits an anti-inflammatory effect.

Foredent

It is used for closing canals after depulpation, in periodontal treatment, as well as during third-party interventions (for example, during resection, dissection of alveolar walls, periapical curettage). Has a pronounced disinfectant effect.

The material is based on resorcinol-formaldehyde, known for its toxicity and negative effects. Therefore, when working with it, doctors strictly adhere to the dosage and observe safety precautions.

Reviews

The root canal sealing procedure differs from a simple tooth filling. There are special requirements for materials for this process.

Materials are constantly being improved or replaced with new ones. Despite the variety, dentists still use formalin-based products in their work, one of which is Forfenan.

You can share your opinion regarding the effectiveness and feasibility of using this material for endodontic treatment by leaving a comment on this article.

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Purchase and storage, analogues

The entire kit must be stored in a dry place protected from ultraviolet rays. Permissible temperature from +5 degrees to +25 degrees Celsius. Be sure to store in a tightly closed container. Shelf life – 24 months.

The price of the drug varies from 4 to 5 thousand rubles, Forphenan analogues are also available for purchase:

1. Viedent epoxy aminopolymer is a two-component material (powder and liquid) containing epoxy resin. Produced in Russia.
2. Foredent is a paste made on the basis of formaldehyde resin and has many advantages in operation. Produced in the Czech Republic.
3. Resoplast is a two-component material (hardener and solution). Produced in France.