3.0 Principles of Bonding

Question 1

• The process of attaching restorative materials, such as a bonded amalgam or a bonded composite resin, to the tooth by adhesion.
• It is used to describe some of the materials used in the process of placing restorations.

Answer 1

BONDING

Question 2

• The first step in the bonding process involves preparation of the surface of the tooth or the restoration to receive the material that will be bonded to it

Answer 2

Preparation for Bonding

Question 3

• Conditioning the enamel or dentin with an acid.
• Most commonly used acid is phosphoric acid in concentrations ranging from ________________.
• Acid removes mineral from the surface to create roughness.

Answer 3

ETCHING
10% to 38%

Question 4

• Liquid etchants are usually applied with a brush, a small cotton pellet, or a small sponge.
• Gel etchants are usually applied by brush or dispensed from a syringe through a fine needle or brush tip.
• The recommended rinsing time for acid gels is approximately 10 seconds or longer. Rinsing times shorter than _______________ may not remove residual silica.
• Rinsing times for liquid etchants can be shorter—5 to 10 seconds

Answer 4

5 seconds
Etchant Liquid or Gel