Evicrol – composite filling material

Evicrol – composite filling material

powder component: silanized silicon dioxide, benzoyl peroxide, pigments
liquid componet: Elaxy B

Bi-component filling composite for the construction of durable aesthetic fillings. Available in four colour shades (basic shade No 21 three additional shades – 25, 27 and 45). The composition substance is a combination of highmolecular materials and a transparent anorganic filler. Firm linking of both components by a chemical bond has resulted in good psysical-chemical properties allowing multipurpose application possibilities.

Mechanical properties of Evicrol nearly reach those of amalgam which results in substantially broad application possibilities in restorative dentistry. Evicrol is most often used for making fillings of class III. and V. according to Black (carries on contact surface of the incisors and cuspids and tooth neck carries). Apart from that, Evicrol can also be used for fractured incisal edges (class IV.).

Unsuitable indication in the distal part with increased strain.

Side effects:
Not described.

Application Evicrol:

1. Prepare the material by mixing the powder with the liquid componet on a mixing paper slab using a plastic friction spatula. Mixing with a metal spatula is not recommended for it leades to metal erosion resulting in the composite colouring. The correct mixing ratio is achieved by measuring the same number of liquid drops as of levelled measuring spoon of powder. In most cases, 2 drops of liquid and 2 levelled measuring spoon of powder are started with. The weight ratio is 1,5 g of powder to 0,5 g of liquid. The prepared mixture has a paste character, the surface of the mixed material is mildly matte and when friction spatula is drawn off, the material stretches easily. To mix a dose of Evicrol prepared from 2 drops, 30 – 40 seconds are needed.

The prepared mixture remains workable for about 1 minute at mouth temperature. Solidifying (ideally under a matrix) follows afterwards which takes about 2 minutes. It is necessary to leave the filling resting during this period and after another 3 minutes it is possible to start further working of the filling. The cavity shall be prepared in the usual manner. It is beneficial to bevel the surface enamel somewhat so as to enlarge the contact surface between the composite and the enamel.

2. Common underfilling materials such as zinc-phosphate Adhesor cement or Adhezor Carbofine polycarboxylate cement,are used as cavity liners undercoat Evicrol. Zinc-oxide eugenolcement Caryosan cannot be used for this purpose. The liner must protect the whole surface area of the exposed dentine! Following liner solidification, the enamel margin shall be etched with Evicrol etching liquid (enclosed in package) which shall be applied using a cotton wool wick and left to act for 60 seconds.

Effective enamel etching is the substantial condition of microretention connection of the Evicrol filling to the enamel. In practise, successful etching is apparent as matte change of the enamel surface. In some cases of very resistant enamel, etching must be performed repeatedly. The etching liquid can be removed by thorough rinsing in water (10 – 20 seconds).

3. Following drying, fill the cavity with a slight excess of Evicrol. The best quality filling surface can be obtained by solidifying under a celone strip (cellulose acetate) e.g. in class III. cavities., under a polyethylene foil (in class I. cavities with occlusion) or under a matrix (in class V. and IV. cavities). Foil can be removed after 2 minutes of solidification and the filling can be further shaped using a bur following another 3 minutes and/or polished with „DEPURAL NEO paste“ mixed with vaseline. Correct working procedure mixture results in reliable and permanent microretention junction of Evicrol with the enamel.

Do not apply in close pulp proximity.

Waste material disposal:
Dispose of unused powder and its packaging with ordinary worksite waste. Residues of unused liquid should be transferred to a company authorized to dispose of waste materials or dispose of it in an incineration plant for dangerous waste. Do not pour the liquid into the public sewage system.

Store in a dry and dark place at 5 °C to 25 °C, in a well sealed container.

2 years

1 x 40 g powder – basic shade No 21
3 x 10 g powder -additional shades No 25, 27, and 45
1 x 26 g liquid
1 x 14 g Evicrol etching liquid
friction spatula
1 block of friction papers slab
2 powder measuring spoon

SpofaDental a.s.

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