Short Notes on Dentin Bonding Systems (DBS)


Dentin Bonding Systems (DBS)

DBS consists of unfilled, liquid acrylic monomer mixture placed onto an acid conditioned and primed surface.

Difficulties in dentin bonding are:


1. Dentin is living heterogeneous tissue and contains plenty of fluids.

2. Presence of smear layer on the cut dentin surface.

3. The potential biologic side effects that different chemicals can cause within the pulp.

As most composites are hydrophobic in nature, dentin bonding agent should be hydrophobic to bond with composite and hydrophilic to interact with dentin.


Steps of dentin bonding are:

1. Etching/conditioning

2. Application of primer

3. Application of bonding agent

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