Research Article

Effect of Airborne Particle Abrasion on Microtensile Bond Strength of Total-Etch Adhesives to Human Dentin

Table 1

Manufacturer, composition, and application mode of the adhesive systems tested.

AdhesiveStepsCompositionPhosphoric acid gelApplication modeProducer

OptiBond FL (FL)3Glass, oxide, chemicals, 2-hydroxyethyl methacrylate, ytterbium trifluoride, 3-trimethoxysilylpropyl methacrylate, 2-hydroxy-1,3-propanediyl bismethacrylate, alkali fluorosilicates (Na)Gel etchant (37.5% phosphoric acid gel)OptiBond FL Prime was applied with light brushing motion for 15 seconds and then air dried for 5 seconds; using the same applicator; OptiBond FL Adhesive was applied with light brushing motion for 15 seconds and air thinned for 3 secondsKerr Corporation, Orange, CA, USA

OptiBond Solo Plus (SO)2Ethyl alcohol, alkyl dimethacrylate resins, barium aluminoborosilicate glass, fumed silica (silicon dioxide), sodium hexafluorosilicateGel etchant (37.5% phosphoric acid gel)OptiBond Solo Plus was applied with applicator tip for 15 seconds, using light brushing motion, and air thinned for 3 secondsKerr Corporation, Orange, CA, USA

Prime & Bond NT (PB)2Di- and trimethacrylate resins, PENTA (dipentaerythritol penta-acrylate monophosphate), nanofillers-amorphous silicon dioxide, photoinitiators, stabilizers, cetylamine hydrofluoride acetoneCaulk 34% tooth conditioner gel (34% phosphoric acid gel)Using applicator tip, generous amounts of Prime & Bond NT adhesive to thoroughly wet all the tooth surfaces. The surfaces remained fully wet for 20 seconds; otherwise additional applications of adhesive were applied. Solvent was after that evaporated by methodically blowing with air syringe for at least 5 seconds in order to form adhesive surface with uniform glossy appearanceDentsply Caulk, Milford, DE, USA

Riva Bond LC (RB)2Compartment 1: acrylic acid homopolymer, tartaric acid, 2-hydroxyethyl methacrylate, dimethacrylate cross-linker, acidic monomer
Compartment 2: glass powder
Super etch 37% phosphoric acid etchantCapsule was tapped twice on the bench and immediately mixed in an amalgamator for 10 seconds. Using a disposable applicator, Riva Bond LC was applied thinly over the surface of the cavitySDI Limited, Bayswater, Australia