iBond Total Etch Bonding System - Bottle Refill: 1 x 4ml Bottle and 50 Application Tips. Etch & Rinse 2-step bonding system. Due to the innovative nano-filler technology, iBond Total Etch not only attains high bond strengths to both enamel and dentin, but also ensures optimal marginal adaptation and is ideal for desensitizing hypersensitive areas. Indications: Bonding of direct composite restorations. Bonding of indirect restorations. Treatment of hypersensitive tooth areas. 4 ml bottle & 50 tips