Basic Bonding

Enamel bonding is

• Difficult to achieve

• Stronger

• Not needed

• week

Dentin Bonding

• Easy to achieve

• Difficult to achieve

• Never achieved

• not needed

Smear Layer seen in

• Enamel only

• Dentin Only

• Enamel and dentin

• Pulp only

Hybrid Layer seen in

• Enamel

• Dentin

• Enamel and dentin

• Pulp

Total Etch and Self Etch

• Both are same

• Phosphoric acid used in self etch

• Total etch for enamel and Self Etch for dentin

• Total etch for Dentin and Self Etch for Enamel

Acid Etching done in

• Dentin

• Enamel

• Enamel and dentin

• Enamel, Dentin and Pulp

Success of a restoration depends on

• Skill of operator

• Acid Etching

• Bonding

• Composite Resin