- Benefits v-technologie bristles for better cleaning between the teeth; Neck with 3 angles for working in hard to reach areas; Twice as effective against stains. Instructions for use Children under 6 years: instruct in good brushing and rinsing habits (to minimize swallowing). Children under 2 years: ask a dentist or physician. Other Info Children of 6 years and younger: Use a pea sized amount for supervised brushing to minimize swallowing. In case of intake of fluoride from other sources consult a dentist or doctor. Size Medium