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Light cured direct bonding--is it necessary to use a primer?
K D O'Brien1, D C Watts, M J Read
1Orthodontic Unit, University Dental Hospital of Manchester.
European Journal of Orthodontics
|February 1, 1991
Abstract:
A study was undertaken to assess the influence of a low viscosity unfilled 'primer' resin upon the shear bond strength of a bracket adhesive combination to etched enamel and at the separate interfaces of the bonding system, namely the bracket/adhesive and the enamel/adhesive interfaces. No significant differences were detected between the bond strengths when an unfilled resin phase was utilized (P greater than 0.05).

