Scotchbond Universal – adhesive 3M ESPE

Scotchbond Universal
Scotchbond Universal is a single-component, light-curing adhesive which is available in L-Pop blisters for single dosing or in bottles for multiple doses.

Depending on the indication, the adhesive is used:

  • In a “self-etching” procedure to enable the shortest possible treatment time and to minimize post-operative sensitivities.
  • With selective enamel etching to maximize the adhesion to the tooth enamel and to minimize post-operative sensitivities.
  • In a “total etching” procedure with a prior phosphoric acid etching step, e.g., if the etching cannot be restricted to the tooth enamel.

Scotchbond Universal DCA activates the dual curing mechanism of Scotchbond Universal and is mixed with the adhesive whenever dual-cure or self-cure composite filling materials, cements, or core build-up materials are being used.

The addition of the activator to the adhesive is not required when using RelyX Ultimate Adhesive Resin Cement because the activator is already integrated into the cement.

These Instructions for Use must be kept for reference for the duration of product use. Please see the pertinent information for use for details on all of the products mentioned below.

Indications

  • All classes of fillings (according to Black) with light-curing composite or compomer filling materials
  • Cementation of indirect restorations when combined with RelyX Ultimate Adhesive Resin Cement
  • Cementation of veneers when combined with RelyX Veneer Cement
  • Bonding of core build-ups made of light-curing composite or core build-up materials
  • Bonding of dual-cure cements and core build-up materials and self-cure composites when combined with Scotchbond Universal DCA
  • Repair of composite or compomer fillings
  • Intraoral repair of composite restorations, porcelain fused to metal, and all-ceramic restorations without extra primer
  • Root surface desensitization
  • Sealing of cavities prior to cementation of amalgam restorations
  • Sealing of cavities and preparation of tooth stumps prior to temporary cementation of indirect restorations
  • Bonding of fissure sealants
  • Protective varnish for glass ionomer fillings

Precautionary Measures

For Patients and Dental Personnel

  • Scotchbond Universal: contact with eyes may cause severe eye damage. Wear eye protection to prevent injury. In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.

For Patients

  • Scotchbond Universal contains substances that may cause an allergic reaction by skin contact in certain individuals. Avoid use of this product in patients with known acrylate allergies.
  • If prolonged contact with oral tissue occurs, flush with large amounts of water. If allergic reaction occurs, seek medical attention as needed, remove the product if necessary, and discontinue future use.

For Dental Personnel

  • Scotchbond Universal contains substances that may cause an allergic reaction by skin contact in certain individuals.To reduce the risk of allergic response, minimize exposure to these materials. In particular, avoid exposure to uncured adhesive. If skin contact occurs,wash skin with soap and water.
  • The use of protective gloves and a no-touch technique is recommended. Acrylates may penetrate commonly used gloves. If Scotchbond Universal contacts the glove, remove and discard the gloves.Wash your hands immediately with soap and water and re-glove.
  • If allergic reaction occurs, seek medical attention as needed.
  • Scotchbond Universal and Scotchbond Universal DCA are highly flammable. Avoid static electricity build-up. Keep away from heat, sparks, open flame, pilot lights, and other ignition sources.

Precautions during Processing

  • Seat temporary restorations using a eugenol-free product (e.g.,with RelyX Temp NE).The use of temporary cements containing eugenol can inhibit the polymerization process of Scotchbond Universal during the final cementing.
  • For the best possible bond, do not treat the surface of Zirconia, aluminum oxide, or metal restorations with phosphoric acid.

Pulp Protection
To avoid pulpal irritation, cover areas in close proximity to the pulp by applying small amounts of hard-setting calcium hydroxide material.To avoid bite increases during the cementing of the later restoration, the pulp protection should be applied prior to taking an impression for the final restoration.

Instructions for use  Scotchbond Universal

Tooth Preparation
Preparation of the Cavity/Tooth Stump
Remove loose preparation debris by spraying with water, and lightly air dry the stump or the cavity in only 2-3 bursts of water-free and oil-free air, or use cotton pellets to dry it off. Do not overdry.

The cavity should be just dry enough that the surface has a slightly glossy appearance. Overdrying can lead to post-operative sensitivity.

We advise against the use of substances such as desensitizers, disinfectants, astringents, dentin sealants, rinsing solutions containing EDTA, hydrogen peroxide, etc. (with the exception of chlorhexidine solutions) after the final cleaning.The residues of these substances can be detrimental to the bonding strength and setting reaction of the adhesive, especially of dual- and self-cure materials.

Unprepared Tooth Enamel
Clean the tooth enamel as usual (e.g.,with polishing paste or powder blasting), and thoroughly rinse by spraying with water. Then etch and rinse, see section “Selective Enamel Etching”. Continue with the application of Scotchbond Universal Adhesive.

Etching of the Tooth Structure (optional)
Clinically adequate adhesive bonds are achieved by the application of the adhesive. Even higher adhesive values can be achieved by selectively etching the enamel or using the “total etching procedure”.

Selective Enamel Etching
Accidental etching of the dentin does not have any detrimental effect on the adhesion.

  • Apply a commonly used phosphoric acid etching gel (about 35%), e.g., Scotchbond Universal Etchant to the prepared and unprepared (if present) tooth enamel and allow to react for 15 sec.
  • Rinse thoroughly with water and dry with water-free and oil-free air or with cotton pellets; do not overdry.

Total Etching Procedure
Apply a commonly used phosphoric acid etching gel (about 35%), e.g., Scotchbond Universal Etchant, to the prepared and unprepared (if present) tooth structure (enamel and dentin) and allow to react for 15 sec. Rinse thoroughly with water and dry with water-free and oil-free air or with cotton pellets; do not overdry.

Root Surface Desensitization
Clean the root surface as usual (e.g.,with polishing paste or powder blasting). Clean thoroughly by spraying with water, and dry with water-free and oil-free air or with cotton pellets. Continue with the application of Scotchbond Universal Adhesive.

Pre-treatment of Fillings or Restorations During Repair
(made of composite, glass ceramic, Zirconia ceramic, aluminum oxide ceramic, metal (incl. amalgam))

  • Thoroughly roughen the surface of the restoration which is to be luted, preferably by blasting with aluminum oxide ≤40 µm; if ceramic, remove the glaze up to 1 mm over the margin.
  • Clean thoroughly by spraying with water, and dry with water-free and oil-free air or with cotton pellets.
    – Do not etch with phosphoric acid because this can weaken the adhesion to certain materials (e.g., Zirconia, aluminum oxide, metal).
  • Continue immediately with the application of Scotchbond Universal Adhesive. The use of an additional primer is unnecessary.

Dosing Scotchbond Universal Adhesive

Dosing from the Bottle
The dosing bottle cap has a thumb depression so that it can be opened to one side and closed again with one hand.The cap will remain open if the opening angle is >90°.

  • To open, take the bottle in your hand, place your thumb in the thumb depression, and push the cap to the side until it remains in the open position.
  • Hold the bottle upside down in a vertical position and pour the required quantity of Scotchbond Universal in a mixing well. Protect the adhesive in the mixing well from light.
  • After use, carefully close the bottle again by applying pressure to the lever from above.
    – The cap tangibly snaps into place when pressed closed and a small, even gap between the cap and bottle can be seen all the way around.

Dosing from the L-Pop Blister
Attention: Do not squeeze the L-Pop blister without the disposable applicator.

  • Hold the shaft of the disposable applicator with one hand, covering the blister opening with your thumb.This will prevent the etching liquid from spraying out.
  • With the thumb and index finger of the other hand, squeeze the reservoir of the L-Pop blister, starting with the outer end, in the direction of the disposable applicator.
  • Turn the disposable applicator back and forth in the liquid to cover it completely.
  • For easy application in the cavity, the disposable applicator can be bent while it is still in the L-Pop blister. In order to do this, only pull the disposable applicator out of the blister far enough so that the narrow section of the applicator shaft can be seen. Fold the applicator shaft at this location over your thumbnail.
  • During the treatment, press all of the liquid into the open depression end with your thumb and index finger to rewet the applicator.

Dosing Scotchbond Universal DCA Activator

  • Unscrew the lid of the bottle.
  • Mix the required quantity of Scotchbond Universal DCA in a ratio of 1-to-1 (drops) with Scotchbond Universal in a mixing well and mix for 5 sec immediately before application. Protect the liquid in the mixing well from light.
  • Carefully close the bottle tightly after dosing. If necessary, disinfect the bottle in accordance with local hygiene regulations.

Application

  • Avoid any contamination with blood, saliva, or sulcus fluid during application. We recommend the use of a rubber dam to ensure that the treated area is kept sufficiently dry and to prevent exposure of any soft tissue.

Procedure for direct restorations with light-curing composites and compomers, intraoral repair using light-curing composites, root surface desensitization, sealing of cavities before filling with amalgam, sealing of cavities and stump preparations before temporary attachment of indirect restorations

  • Use the disposable applicator to apply the adhesive to the entire tooth structure and rub it in for 20 sec. Avoid contact between the adhesive and the oral mucosa.
  • If necessary, rewet the disposable applicator during treatment.
  • Subsequently direct a gentle stream of air over the liquid for about 5 sec until it no longer moves and the solvent has evaporated completely.
  • Harden the adhesive with a commonly used curing light for 10 sec.
  • As appropriate for the indication, continue with the desired material in accordance with the pertinent instructions for use.

Procedure for dual-cure and self-cure composite and core build-up materials and cements

When using RelyX Ultimate, the activator is not required because it has been integrated into the cement. Please follow the RelyX Ultimate instructions for use.

  • Place one drop each of Scotchbond Universal and Scotchbond Universal DCA in a mixing well and mix for 5 sec.
  • Use the disposable applicator to apply the mixture to the entire tooth structure and rub it in for 20 sec. Avoid contact between the adhesive and the oral mucosa.
  • If necessary, rewet the disposable applicator during treatment.
  • Subsequently direct a gentle stream of air over the liquid for about 5 sec until it no longer moves and the solvent has evaporated completely.
  • Harden the adhesive with a commonly used curing light for 10 sec.
  • As appropriate for the indication, continue with the desired material in accordance with the pertinent instructions for use.

Procedure when cementing indirect restorations and veneers using RelyX Ultimate Adhesive Resin Cement

  • When using RelyX Ultimate, Scotchbond Universal DCA is not required. Please follow the RelyX Ultimate instructions for use.

Use of Scotchbond Universal as a primer for indirect restorations

When using RelyX Ultimate, Scotchbond Universal DCA is not required. Please follow the RelyX Ultimate instructions for use.

  • Prepare the surface of the restoration:
    – Etch glass ceramic surfaces with hydrofluoric acid in accordance with manufacturer’s instructions.
    – Roughen composite, Zirconia ceramic, and metal surfaces, preferably by sandblasting.
    – Do not etch with phosphoric acid because this can weaken the bonding to certain materials (e.g., Zirconia, aluminum oxide, metals).
  • Thoroughly rinse the surface with water and dry with water-free and oil-free air or with cotton pellets.
  • In combination with other composite cements:
    – Place one drop each of Scotchbond Universal and Scotchbond Universal DCA in a mixing well and mix for 5 sec.
    – Immediately after mixing, use the disposable applicator to apply the adhesive to the entire surface of the restoration to be cemented and allow it to react for 20 sec. Do not light-cure.
    – Follow the instructions for use from the manufacturer to apply the cement.

Using RelyX Ultimate to cement posts

  • When using RelyX Ultimate, Scotchbond Universal DCA is not required. Please follow the RelyX Ultimate instructions for use.

Using other composite cements to cement posts

  • Prepare the endodontically treated root canal for the post cementing.
  • Trial fit the post; it should fill 2/3 of the root canal.
  • Place one drop each of Scotchbond Universal and Scotchbond Universal DCA in a mixing well and mix for 5 sec.
  • Use the disposable applicator to apply the mixture to the entire tooth structure and rub it in for 20 sec.
  • Subsequently direct a gentle stream of air over the liquid for about 5 sec until it no longer moves and the solvent has evaporated completely. Soak up excess liquid with a paper tip.
  • Harden the adhesive with a commonly used curing light for 10 sec.
  • Follow the instructions for use for the relevant product to cement the post.

Procedure when cementing veneers using 3M ESPE RelyX Veneer Cement

  • The surface of the glass ceramic veneer which is to be cemented should be etched using hydrofluoric acid in accordance with manufacturer’s instructions. An additional silane primer is not required when using Scotchbond Universal.
  • Before applying the adhesive, clean the prepared tooth structure with pumice paste, thoroughly rinse with water, and dry with water- and oil-free air or with cotton pellets.
  • Trial fit the veneer using RelyX Try-In Paste. Use water to rinse off the paste from the tooth and veneer and dry all of the surfaces with water- and oil-free air or with cotton pellets. Isolate the adjacent teeth from the veneer preparation using transparent template strips.
  • Apply a commonly used phosphoric acid etching gel (about 35%), e.g., Scotchbond Universal Etchant, to the enamel and dentin and allow to react for 15 sec.Then rinse thoroughly with water for 10 seconds and dry with cotton pellets.The surface should be shining and not have any puddles on it.
  • Use the disposable applicator to apply Scotchbond Universal immediately to the entire surface of the enamel and dentin and rub it in for 20 sec. Avoid contact between the adhesive and the oral mucosa. If necessary, rewet the disposable applicator during treatment. Subsequently direct a gentle stream of air over the liquid for about 5 sec until it no longer moves and the solvent
    has evaporated completely. Do not light-cure.
  • Use the disposable applicator to apply Scotchbond Universal to the etched veneer. Subsequently direct a gentle stream of air over the liquid for about 5 sec until it no longer moves and the solvent has evaporated completely. Do not light-cure.
  • Carefully cement the veneer with RelyX™ Veneer Cement following the pertinent instructions for use. Remove any excess from the veneer edges and light-cure in accordance with manufacturer’s instructions.We recommend light-curing the gingival edges first, then the middle and the incisal edges. Avoid eye contact with the light source.

Procedure for light-cure sealing of fissures
In contrast to a composite filling, light-cure fissure sealants can be bonded to untreated tooth enamel using Scotchbond Universal without prior etching with phosphoric acid.

  • Clean the surface to be sealed with polishing paste or by powder blasting (e.g., using Clinpro Prophy Powder).
  • Use the disposable applicator to apply Scotchbond Universal to the surface to be sealed and rub it in for 20 sec, applying pressure. Continue to rub in for a longer period of time when sealing larger surfaces. Do not reduce this time. Applying and distributing the adhesive is not adequate.
  • Subsequently direct a gentle stream of air over the liquid for about 5 sec until it no longer moves and the solvent has evaporated completely.
  • Apply a light-cure fissure sealant, e.g., Clinpro Sealant.
  • Polymerize the fissure sealant and the adhesive together with a commonly available light-curing device; the time is dependent on the fissure sealant used.

Use as protective varnish for glass ionomer fillings

  • If a template was used for the shaping, first remove the template.
  • Use the disposable applicator to apply Scotchbond Universal to the fully modeled filling and rub it in for 20 sec. Avoid contact between the adhesive and the oral mucosa.
  • If necessary, rewet the disposable applicator during treatment.
  • Subsequently direct a gentle stream of air over the liquid for about 5 sec until it no longer moves and the solvent has evaporated completely.
  • Use a commonly available light-curing device to polymerize the adhesive for 10 sec on every surface of the filling.
  • When the filling has been completely cured, grind down the occlusion and reapply the adhesive to the ground places to protect the filling from drying out.
  • Use a damp cloth or cotton pellet to remove the oxygen inhibition layer.

Hygiene and Disinfection
Clean any contaminated adhesive and activator bottles with commonly used agents and disinfect them in accordance with the commonly used hygienic regulations.

Notes

Scotchbond Universal can prematurely polymerize when exposed to natural or artificial lighting. Avoid intensive light exposure during application.

Storage and Stability

Store Scotchbond Universal and Scotchbond Universal DCA at 02-25° C/ 36-77° F. Do not use after the expiration date.

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CATEGORY Adhesives
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