Manufacturer: Ivoclar Vivadent
N-Etch is an etching gel containing 37% phosphoric acid. N-Etch is used for enamel etching and dentin conditioning in conjunction with composite restorations, sealants and the adhesive luting of indirect all-ceramic or composite restorations.
N-Etch is the best partner for Tetric N-Bond for enamel etching and dentin conditioning.
For facilitated access to the treatment field, the lip and cheek retractor OptraGate® can be used.
(e. g. with saliva), repeat the etching procedure with a reaction time of
max. 10 seconds. The reaction time on unprepared enamel (e.g. fissure seal- ants) is 30-60 seconds. If the enamel is selectively etched, use a reaction time of 15-30 seconds.
Dispense the desired amount of Tetric N-Bond into a mixing well and apply it using a disposable applicator (e.g. Vivadent® Applicator Brush). Protect the adhesive from light (e.g. VivaPad®). Close the bottle immediately after each use. A new disposable applicator must be used for each application.
Apply a thick layer of Tetric N-Bond on the enamel and dentin surfaces, using the enclosed application brush. Brush the material gently into the dentin for at least 10 seconds. Avoid insufficient coverage of the cavity and apply additional material, if required. Remove excess material and the sol- vent by a gentle stream of air so that the adhesive completely covers the enamel and dentin without pooling.
A shiny tooth surface prior to the application of the composite shows that all surfaces are completely covered.
Polymerize each layer individually according to the table below.
Hold the light emission window as closely as possible to the surface of the restorative material.
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