Monobond Plus Overview
Monobond Plus‚ a universal primer from Ivoclar Vivadent‚ streamlines bonding to glass‑ceramics and zirconia. Its formulation promotes strong‚ reliable adhesion while simplifying the clinical workflow for restorative procedures. 2026

Manufacturer and Product Range
Ivoclar Vivadent‚ a leading dental materials company headquartered in Liechtenstein‚ has built a reputation for innovation and quality. Their Monobond Plus line is part of a broader portfolio that includes a range of adhesives‚ primers‚ and restorative composites designed for both conventional and digital workflows. The Monobond Plus system is a universal primer that can be used on glass‑ceramic‚ zirconia‚ and other ceramic surfaces‚ offering a simplified‚ single‑step bonding protocol that reduces chairside time. In addition to Monobond Plus‚ Ivoclar Vivadent markets complementary products such as Ivoclean‚ a cleaning solution that removes organic contaminants‚ and a series of light‑curable composites that are compatible with the primer. The company’s product range also covers surface conditioning agents‚ bonding agents for metal alloys‚ and a variety of ceramic materials that can be paired with the primer for optimal adhesion. Primer delivers strong bonds across ceramic systems!!
Key Features and Benefits
Monobond Plus offers a single‑step‚ universal primer that simplifies the bonding of glass‑ceramic and zirconia restorations. Its proprietary formulation contains a silane coupling agent and an acidic monomer that simultaneously cleans‚ etches‚ and primes the surface‚ eliminating the need for separate conditioning steps. The primer is compatible with a wide range of light‑curable composites and can be applied with a brush or microbrush‚ ensuring an even‚ thin coating that prevents pooling on crowns. Its low viscosity allows for rapid evaporation of solvents‚ reducing the risk of contamination. The product’s shelf life is extended by a tightly sealed container that prevents evaporation after use. Clinically‚ Monobond Plus provides reliable‚ high‑strength bonds to both glazed and unglazed ceramics‚ and it has been shown to maintain bond integrity under thermocycling and mechanical loading. The system’s user‑friendly protocol—clean with Ivoclean‚ rinse‚ dry‚ apply primer‚ and cure—streamlines chairside workflow while delivering predictable‚ durable results for restorative procedures. and stronger.!!?
Its rapid setting time of less than 30 seconds allows immediate use‚ and its compatibility with high‑ and low‑viscosity composites makes it versatile for various restorative designs and 25% faster cure.

Pre-Use Preparation
Store Monobond Plus in a cool‚ dry place. Keep the cap tightly closed after each use to prevent evaporation. Handle the syringe with care‚ avoiding contact with saliva‚ blood‚ or water. Shake gently before application. Follow
Storage and Handling Guidelines
Monobond Plus must be stored in a cool‚ dry place‚ away from direct sunlight and temperature extremes. Keep the vial sealed tightly after each use to prevent evaporation and maintain optimal viscosity. Handle the syringe with clean‚ dry gloves to avoid contamination from saliva‚ blood‚ or water. Before application‚ shake the syringe gently for 5–10 seconds to ensure homogenous mixing of the primer components. Store the syringe upright during storage to prevent leakage and fluid migration. Keep the product in a temperature‑controlled cabinet set between 15 °C and 25 °C; avoid freezing‚ which can alter its chemical properties. Inspect the vial for cracks after accidental drops and discard any compromised unit. The manufacturer recommends discarding unused Monobond Plus after 12 months from the first opening to ensure optimal bonding performance. Always close the vial immediately after use to prevent evaporation and maintain the primer’s efficacy. If the primer appears cloudy or has separated‚ discard it immediately and replace with a fresh vial. Finally‚ keep the storage area free of strong odors that could degrade the primer over time.
Safety Precautions and Contamination Avoidance
Monobond Plus is a universal primer that requires strict handling to avoid contamination and ensure reliable bonding. Wear disposable gloves and a face mask before opening the vial to keep saliva‚ blood‚ or water out of the system. Seal the vial immediately after use to prevent evaporation and preserve viscosity. Use only a clean brush or microbrush; any residue on the applicator can compromise the bond. Store the product in a cool‚ dry place (15 °C–25 °C) away from direct sunlight and strong odors. Inspect the syringe for cracks after accidental drops; a cracked vial can introduce contaminants. During rinsing‚ use only water spray and dry with oil air; avoid alcohol or other solvents that may interfere with adhesion. If the primer becomes cloudy or separates‚ discard it and replace with a new vial. Follow the manufacturer’s instructions for mixing: shake gently for 5–10 seconds before application. After applying the primer‚ close the vial promptly to prevent evaporation. These precautions protect the integrity of the restoration and maintain the primer’s performance!

Surface Preparation for Bonding
Clean the restoration with Ivoclean‚ rinse‚ dry‚ then etch with 5% hydrofluoric acid for 60 seconds. Rinse thoroughly‚ dry‚ and apply Monobond Plus with a brush for a thin‚ even coat. Done
Cleaning Protocols (Ivoclean‚ Rinse‚ Dry)
Begin by removing all debris and contaminants from the restoration surface. Use the Ivoclean solution‚ applying it with a dedicated brush or applicator to cover the entire bonding area. Allow the primer to react for approximately 20 seconds‚ during which it dissolves organic residues and enhances surface energy. After the reaction period‚ rinse the restoration thoroughly with a gentle water spray‚ ensuring that no Ivoclean residue remains. Follow up with a final rinse to eliminate any remaining particles. Once rinsed‚ dry the surface using oil‑free air or a lint‑free cotton pellet‚ taking care to avoid over‑drying or creating micro‑cracks. The cleaned surface should appear free of moisture‚ tackiness‚ or visible contaminants‚ ready for the subsequent etching step.
After rinsing‚ inspect the surface for residual Ivoclean film. A clear‚ matte finish indicates proper removal. Avoid streaks or pooling by gently blotting with a lint‑free pad. This step ensures optimal adhesion during the subsequent etching phase.
Store the cleaned restoration in a dry‚ dust‑free box until etching to keep the surface contaminant‑free.
Etching Procedure (5% Hydrofluoric Acid‚ Timing)
Apply a 5 % hydrofluoric acid (HF) gel to the prepared surface‚ ensuring full coverage of the bonding area. Use a disposable brush or applicator‚ spreading the gel evenly. Maintain the gel on the surface for precisely 60 seconds‚ monitoring the color change from clear to a faint milky hue‚ which indicates adequate etching. Do not exceed the recommended time to avoid over‑etching and potential damage to the ceramic structure.

After the 60‑second interval‚ immediately rinse the surface thoroughly with copious water for at least 60 seconds‚ removing all HF residue. Follow with a final rinse under a steady water stream for an additional 30 seconds to ensure complete neutralization. Gently blot the surface with an oil‑free air stream or lint‑free cotton to remove excess moisture‚ taking care not to dry too aggressively‚ which could create micro‑cracks.
Inspect the etched surface for uniformity: a matte‚ slightly rough texture indicates successful etching. Any remaining gloss or streaks suggest insufficient etching or contamination. Once the surface is dry and free of residue‚ proceed to the primer application step without delay to preserve the etched profile. Keep the area free of contaminants.!!!

Application Technique

Apply Monobond Plus with a brush or microbrush‚ delivering a thin‚ coat; Avoid pooling‚ especially on crowns‚ to ensure optimal adhesion. Let the primer dry before proceeding to curing. immediately!.
Applying Monobond Plus (Brush/Microbrush‚ Thin Coat)
Monobond Plus is applied by first ensuring the bonding surface is clean‚ dry‚ and free of contaminants. Using a dedicated brush or a fine microbrush‚ dispense a small amount of the primer onto the surface. The brush should be moved in a consistent‚ overlapping motion to spread the primer evenly‚ creating a uniform‚ thin film. Avoid excessive pressure; the goal is a film thickness of approximately 10–15 µm‚ which is sufficient to promote micromechanical interlocking without excess material that could compromise the bonding interface; After application‚ allow the primer to air‑dry for the time specified in the manufacturer’s instructions (typically 30–45 seconds). During this period‚ keep the area free from moisture and avoid touching the surface. Once the primer has dried‚ proceed immediately to the adhesive or resin cement step to prevent evaporation or contamination. Proper technique ensures optimal adhesion‚ reduces the risk of microleakage‚ and contributes to the longevity of the restoration. The thin primer layer should be visible as a translucent film; any excess pooling can compromise bond integrity and should be removed immediately. Store the bottle tightly capped to preserve its efficacy during clinical use.!!
Avoiding Pooling on Crowns
When applying Monobond Plus to crown surfaces‚ the primer should be spread in a thin‚ even layer to prevent excess material from collecting in internal valleys or on the occlusal surface. Excess pooling increases the risk of marginal gaps and polymerization shrinkage‚ compromising bond strength. To avoid pooling‚ apply a minimal amount of primer to the brush and sweep across the entire restoration‚ ensuring the brush tip contacts the surface without dragging. For crowns with deep fissures‚ use a microbrush to reach recessed areas‚ applying the primer in a brush‑to‑brush fashion. After the initial coat‚ inspect the crown under a magnification loupe; any visible droplets should be gently wiped with a clean‚ lint‑free tissue or a dry brush. Allow the primer to dry for the time specified by the manufacturer (typically 30–45 seconds) before proceeding to the adhesive step. Maintaining a dry‚ contamination‑free environment during this interval is critical; moisture can cause the primer to pool or film to become uneven. By following these steps‚ clinicians can achieve a primer film‚ reduce the likelihood of pooling‚ and ensure a durable bond between the crown and the underlying substrate.!!! !!

Bonding to Different Substrates
Monobond Plus adapts to both zirconia and glass‑ceramic surfaces. For zirconia‚ clean‚ apply Ivoclean‚ rinse‚ dry‚ then coat with a thin primer layer. For glass‑ceramics‚ etch with 5% HF‚ rinse‚ dry‚ then prime. Even coverage only.

Zirconia Bonding Steps
After primer application‚ a thin layer of silane may be applied to enhance chemical bonding‚ especially if the restoration will be exposed to high occlusal loads. Use a microbrush to spread evenly‚ avoiding excess that could dilute the primer. Allow the primer to air‑dry for 30 seconds before proceeding to the adhesive resin. This step ensures a robust‚ long‑lasting bond that can withstand functional forces over time. The curing cycle should follow the manufacturer’s recommended light intensity and exposure time‚ typically 10 seconds at 1200 mW/cm²‚ to ensure complete polymerization of the adhesive layer. After curing‚ a thin layer of composite resin can be applied to build the final restoration‚ allowing for a seamless integration with the zirconia core. Maintain a dry surface during bonding.Cure.
Glass-Ceramic Bonding Steps
Begin by thoroughly rinsing the glass‑ceramic surface with water and drying with oil‑free air. Apply Ivoclean for 20 seconds‚ then rinse and dry again. Next‚ etch the ceramic with 5 % hydrofluoric acid for 60 seconds‚ carefully controlling the exposure time to avoid over‑etching. Rinse thoroughly and dry with a gentle air stream. Apply a thin coat of Monobond Plus using a microbrush‚ ensuring complete coverage without pooling. Allow the primer to evaporate for 30 seconds. If additional silane is recommended‚ apply a compatible silane agent over the primed surface‚ then let it dry for 30 seconds. Finally‚ place the adhesive resin‚ light‑curing for 10 seconds at 1200 mW/cm². This sequence yields a durable bond suitable for glass‑ceramic restorations. Maintain a temperature‑controlled environment and avoid contamination with saliva or blood throughout the procedure. After curing‚ inspect the interface for any gaps or voids; if present‚ re‑apply a minimal amount of adhesive and cure again. The final restoration should be polished to a smooth finish‚ ensuring both esthetic and functional integrity.
During the bonding process‚ it is essential to keep the ceramic surface free from dust and airborne particles. Use a low‑pressure air stream to remove any residual primer or silane. When applying the adhesive‚ use a gentle‚ uniform motion to avoid creating a thick layer that could compromise the bond strength. After curing‚ a light‑curing unit with a wavelength of 450–480 nm is recommended to ensure complete polymerization. If the restoration will be subjected to high occlusal forces‚ consider adding a secondary bonding agent to reinforce the interface. Store unused primer in a dry place. Keep the cap after use now.

Post-Application Handling
Seal the Monobond Plus bottle immediately to prevent evaporation. Tighten the cap‚ then bond the restoration. Cure the adhesive promptly with a calibrated light unit for optimal polymerization. now
Evaporation Prevention and Cap Tightening
After each use‚ immediately close the Monobond Plus bottle to halt solvent loss. The primer’s volatile components evaporate rapidly if left exposed‚ compromising viscosity and bonding strength. Secure the cap with a firm twist‚ ensuring the sealing ring is fully seated. If the cap is loose‚ use a gentle tap to re‑seat the sealant. Store the bottle upright in a cool‚ dry place‚ away from direct sunlight and temperature fluctuations. When transporting‚ keep the bottle in a dedicated case or sleeve to further isolate the primer from air. For multi‑use scenarios‚ consider a secondary cap or a small container to further isolate the primer from air. Prior to each clinical application‚ inspect the cap for cracks or deformation; replace if any damage is noted. This routine guarantees the primer remains within its specified shelf life and maintains optimal performance during bonding procedures.
Use a dedicated cap with a rubber seal to prevent moisture ingress and keep viscosity stable. After each use‚ wipe the bottle neck with a lint‑free cloth‚ re‑cap immediately‚ and store in a temperature‑controlled cabinet to avoid condensation. This practice ensures the primer’s viscosity remains optimal‚ preserving bond strength during clinical procedures and avoid contamination. Keep the bottle capped. Seal well.
Immediate Use and Curing
Immediately after applying Monobond Plus‚ the clinician should proceed to the restorative material without delay. The primer’s thin film begins to set within seconds; any pause can lead to solvent evaporation and reduced adhesion. Place the restoration onto the treated surface‚ ensuring intimate contact‚ and apply light pressure to eliminate air pockets. For resin‑based cements‚ curing is performed directly on the restoration‚ using a calibrated LED unit at 1200 mW/cm² for 20 seconds per surface. If a dual‑cure cement is used‚ allow the material polymerize for 30 seconds before initiating curing to ensure complete setting. For glass‑ceramic or zirconia‚ a 10 second light exposure is sufficient to activate the primer’s silane groups‚ but manufacturers recommend a 20 second cure to guarantee full polymerization. During curing‚ keep the light tip perpendicular and maintain a distance of 1–2 mm to avoid overheating. After curing‚ inspect the bond line for any gaps or voids; if present‚ re‑apply a thin layer of Monobond Plus and cure again. The entire process should be completed within the primer’s working time‚ typically 60 seconds‚ preserve bond integrity.