Description:<br />  <br /><br /> 4 Pcs Universal Multicolor Replacement Electric Toothbrush Head For Braun Oral-B<br /><br />  <br /><br /> Specification:<br /><br /> Brand: Oral-B<br /><br /> Material: US Dupont soft bristles (end-rounded bristles)<br /><br /> Model: EB-17A<br /><br /> Weight: 28g<br /><br /> Pack: 4 pcs in one pack<br /><br /> Item size: about 6cm x0.8cm \/ 2.36x0.32 In<br /><br /> Package size: about 14 x 8.5 x1cm \/ 5.51 x3.35x0.39 In<br /><br />  <br /><br /> Apply to: <br /><br /> Non sonic round toothbrush: D4510  D12013  D12013W  D12523  D17525  D18 D19523  D19545  D20523  D20545  OC18  D8011  D9525  D9511 D20 D25  D30  D32 4739 3709<br /><br /> Electric toothbrush: 3728 3738  3744 37574731 4728 4739 3709 3728 3738<br /><br /> Foreign model:1000 3000 5000 8000 8850 8900<br /><br />  <br /><br /> Feature:<br /><br /> Four brushes head with identifier rings<br /><br /> Soft bristles provide comfortable and gentle cleaning experiences<br /><br /> Effectively remove plague without irritating gums<br /><br /> Dentists recommend us to replace the toothbrush head every three months<br /><br />  <br /><br /> Wrong ways of teeth brushing:<br /><br />  <br /><br /> Brushing time less than 2 minutes<br /><br /> It is recommend to brush teeth three times per day and the brush time between 2 to 3 minute. Each direction of the mouth cavity needs at least 30 second.<br /><br />  <br /><br /> Go to bed without brushing teeth<br /><br /> It is very important to brush teeth before sleeping because bacteriums is easily to breed when you are sleeping. Brushing teeth before sleeping can effectively reduce dental caries and gingivitis.<br /><br />  <br /><br /> Teethbrushing in broadwise<br /><br /> Wrong brush method not only cant not brush the teeth cleanly but also do harm to gums. Correct brushing methods is combined with up and down and inclining.<br /><br />  <br /><br /> Only brush the surface of the outside teeth <br /><br /> The correct brushing method is clean every angle of your mouth cavity.<br /> <br /> Package inncluded:<br /> 4x Replacement toothbrush head<br /> <br /> Detail pictures: