Removal of Temporary Restoration and Cleaning:
Begin by removing any temporary restoration from the tooth cavity using appropriate dental instruments.
Clean the cavity and the prepared tooth by removing any residue from the temporary luting composite. Use a polishing brush and an oil- and fluoride-free cleaning paste (e.g., Proxyt fluoride-free).
Rinse the cleaned area with water.
Preparation of Restoration Surfaces:
If you are working with composite or fiber-reinforced composite restorations, follow the manufacturer's instructions for blasting the restoration surfaces.
If necessary, clean the restoration in an ultrasonic unit for about 1 minute.
Thoroughly rinse the restoration with a water spray and dry it with oil-free air.
Application of Primer Agent:
Apply a primer agent (e.g., Monobond N or Monobond-S) to the pre-treated surfaces using a brush or micro brush.
Allow the primer agent to react for 60 seconds.
Disperse the excess primer agent using a strong stream of air. Ensure that the surfaces remain uncontaminated.
Pre-treatment of the Cavity (for enamel and dentin):
To protect adjacent teeth and facilitate excess material removal, use a matrix band in the proximal regions.
Apply N-Etch (37% phosphoric acid gel) to the prepared enamel and, if necessary, to the dentin. Follow the recommended etching times.
Remove the etchant gel by rinsing it vigorously with water for at least 5 seconds.
Ensure that the dentin surface remains slightly wet and shimmering (wet bonding). Remove excess moisture with appropriate methods, such as an air gun or dry brush.
Application of Variolink N:
Depending on the type of restoration (inlays, onlays, crowns, veneers), follow the specific instructions provided in the Intro Pack.
Polymerization (Curing):
Polymerize Variolink N segment by segment, starting with the proximal margins.
Use a curing light with the appropriate light intensity as recommended by the manufacturer. Follow the recommended curing times based on the light source.
Finishing and Polishing of the Restoration:
Use finishing and polishing strips in the proximal regions to achieve the desired finish.
Check occlusion and function and make any necessary corrections.
