Replace brush head every 3 months or sooner if brush head becomes loose due to damage. Do not use on children under age 3.
1. To Remove: Place enclosed QuickRelease tool on neck of toothbrush as shown on package and press (A), then slide brush head off (B).2. To Replace: Lay new replacement brush head parallel to neck of toothbrush (C), then slide head toward handle until lock clicks in place (D). Do not insert brush head at angle (E).
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