Best Dental Bonding Bases & Liners AI pick
Chosen by an AI model from its trained knowledge, with its reasoning.
AI pick (line): 3M Vitrebond Plus
A resin-modified glass ionomer liner/base that bonds chemically to dentin, releases fluoride, light-cures on command and sits cleanly under composite or amalgam, which makes it the default workhorse liner.
Not for: Clinicians who need a direct pulp-capping material on an exposed pulp, where a calcium silicate is the better-supported choice.
AI picks by need
For indirect pulp capping, light-cured calcium silicate
Bisco TheraCal LC (line)
A light-cured resin-modified calcium silicate that places like a flowable and supports dentin bridging in deep preparations.
Not for: Direct exposures where you want a resin-free calcium silicate.
For direct pulp capping and bulk dentin replacement
Septodont Biodentine (line)
A resin-free tricalcium silicate that is well documented for pulp exposures and can serve as a temporary dentin substitute in deep cavities.
Not for: Practices that need a fast-setting, light-cured liner for routine moderate-depth preps.
For traditional self-cure calcium hydroxide
Dentsply Sirona Dycal (line)
A long-established two-paste calcium hydroxide liner for clinicians who prefer the classic thin-layer approach.
Not for: Anyone needing a durable base, because calcium hydroxide is soluble and weak under leaking restorations.
What the AI looks for in Dental Bonding Bases & Liners
- Material class
- Choose RMGI for routine liners and bases, calcium silicate for pulp capping and very deep caries, and calcium hydroxide only as a thin spot liner. Each class trades off bond to dentin, pulp response, strength and solubility differently.
- Layer thickness
- Liners go in thin layers, while bases are placed in bulk to replace missing dentin. Thick layers of a weak liner reduce support for the overlying restoration.
- Compatibility with bonding
- Under composite, use eugenol-free materials that tolerate etching and adhesive. Eugenol inhibits resin polymerization and weakens the bond.
- Cure mode
- Light-cured liners set on command, and self-cure is needed where light cannot reach. Command set saves chair time, but deep or shadowed areas may under-cure.
- Solubility and strength
- Prefer low-solubility materials when the liner may face microleakage. Soluble liners dissolve over time and leave voids under restorations.
- Radiopacity
- The material should be more radiopaque than dentin. This lets you distinguish the liner from recurrent caries on radiographs.
Brands that matter
- 3M: Vitrebond line is the reference RMGI liner.
- Bisco: TheraCal LC and TheraCal PT for calcium-silicate lining and pulpotomy.
- Septodont: Biodentine is the main resin-free calcium silicate dentin substitute.
- Dentsply Sirona: Dycal calcium hydroxide and ProRoot MTA.
- GC: Fuji Lining LC and other glass ionomer liners.
- Ultradent: Ultra-Blend Plus light-cured calcium hydroxide liner.
What to avoid
- Zinc oxide-eugenol bases under composite restorations
- Thick calcium hydroxide layers used as a structural base
- Expired or partially cured paste-paste kits with inconsistent set
Questions
Do I still need a liner under a bonded composite?
For shallow and moderate preps, a well-placed adhesive is usually enough. Liners are mainly used in deep preparations near the pulp.
Is TheraCal LC suitable for direct pulp capping?
It is widely used, but its resin content is debated for direct exposures. Many clinicians prefer resin-free calcium silicates such as Biodentine or MTA there.