<b>THE AMAZING EFFECTS:</b><br><br> The Alayna replacement toothbrush head is inspired by professional dental tools and is a great choice for everyday brushing. It provides up to 400% more plaque removal along the gum line,* for cleaner teeth and healthier gums. The round brush head is inspired by dental professional tools for a tooth-by-tooth clean, with specially engineered bristles for optimal tooth coverage. <br><br> *vs. a regular manual toothbrush. <br><br><i> The Precision Clean replacement brush head works with all Oral-B battery and electric toothbrush handles except for Vitality Sonic. <br><br></i><b> Compatible With The Following Oral B Electric Toothbrushes: </b><br><br>  Oral B Vitality Precision Clean (All Models) <br>  Oral B Vitality Dual Clean (All models) <br>  Oral B Professional Care (All models) <br>  Oral B Professional Care SmartSeries (All models) <br>  Oral B TriZone (All models) <br>  Oral B Advance Power (All models) <br>  Oral B Pro Health (All models) <br>  Oral B Triumph (All models) <br>  Oral B 3D Excel (All models) <br>  Oral B Plak Control 3D | Duo | Travel  Oral B Triumph Professional Care (All models) <br>  Oral B Triumph (All models) <br>  Oral B Sensitive Clean (All models) <br>  Oral B White Clean (All models) <br>  Oral B Interclean (All models) <br>  Oral B Pro-Health (All models) <br><br><i> Cleaner teeth every day….</i>