DMG Ionosit - Light Cured Baseliner Material
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Ionosit Baseliner for Gap-free restorations
Create gap-free restorations Ionosit Baseliner prevents micro-gaps, the leading cause of microleakage, before they happen. It’s a fact of life that composites undergo polymerization shrinkage.
We rely on adhesives to maintain a strong gap free bond between composite and dentin, but that doesn’t always happen.
Ionosit Baseliner employs patented controlled expansion technology to reduce the post-polymerization stress which leads to leakage, post-op sensitivity and recurrent decay.
Ionosit Baseliner combines the optimum properties of glass ionomers and composites in one material. It expands by approximately 1% and counteracts the polymerization shrinkage stress of the shrunken composite. This efficiently prevents the formation of marginal gaps and associated bacterial penetration.
The dentinal tubules are sealed and the pulp is protected from bacterial influences, which is a reliable and permanent means of preventing pulp damage and postoperative sensitivity.
Ionosit Baseliner serves as a stress-breaker for the entire cavity as it counteracts the polymerization shrinkage of the restoration. Structural stress or microfractures in the composite are minimized.
This guarantees durable, functionally reliable restorations.
Ionosit Baseliner is applied in a layer of 1mm thickness between dentin and composite.
It releases fluoride and zinc ions to provide protection at the junction between the tooth surface and the restoration, a particularly vulnerable area. The release of these substances forms a protective barrier for the tooth.
Ionosit Baseliner can be easily applied directly from the syringe.
Ionosit Baseliner is capable of controlled expansion. Thanks to its innovative chemistry, it also forms a connection to dentin, creating a reaction zone. The crucial advantage: possible gaps created by polymerization shrinkage of the composite material are negated and stress on the dentin interface is reduced.
Feature & BenefitsUnique compensation for polymerization shrinkage stress through controlled expansion
• Fluoride release
• Antibacterial properties from zinc
• No complicated handmixing
• Protects the pulp
• Seals the dentin tubules
• Prevents postoperative sensitivity
• Low flexural modulus for increased stress reduction
1. Before preparation, clean the tooth and remove all cleaning residue with water spray. Use of a rubber dam is not necessary if moisture can be controlled in another way. Avoid contamination with saliva during the application.
2. Prepare the cavity in accordance with the general rules for adhesive procedures. Bevel the enamel edges. Protect pulp in deep cavities with suitable materials.
3. Etch the cavity in accordance with the preferred technique (e.g. Total-Etch).
4. Apply bonding agent in accordance with the manufacturer’s instructions.
5. Ionosit-Baseliner can be used both as a conventional base liner (coating the floor of the cavity) and to coat the entire cavity (stress-breaking function). Apply Ionosit with a brush or ball-pointed instrument in a thickness of about 1 mm.
6. Cure for at least 20 seconds with a suitable light unit.
7. Place the composite filling material
▸ Store in a dry place at room temperature - 15 to 25 °C / 59 to 77°F
▸ Do not use after the expiration date
1. Compomer properties
2. Fluoride release
3. Antibacterial properties from zinc
4. No complicated handmixing
5. Protects the pulp
6. Seals the dentin tubules
7. Prevents postoperative sensitivity