Ordo Sonic+ Brush Heads 4 pack (Charcoal Grey)Our oral hygiene engineers have developed the ultimate brush head for all mouth types. Precisely designed for a clean thats tough on plaque, yet gentle on tooth enamel and gums. The slim head makes manoeuvrability and reach a breeze, while individually rounded bristles, cut to cup each tooth, make for a deeper clean. Keep your brush head brilliant dentists recommend replacing your brush head every 2 3 months. Replace sooner if bristles become worn or