REACH Between Toothbrush Soft. Rippled bi-level bristles Reach further BETWEEN teeth to remove plaque. Polished, round bristle ends help prevent gum irritation & protect tooth enamel. REACH The HARD TO REACH PLACES toothbrush is specially designed with: -An angled neck. -A tapered head. -A wide double sided thumb grip. Dentists recommend replacing your toothbrush every 2-3 months. Visit your dentist every 6 months.