Oral-B Professional Deep Sweep 4000 Twin Pack A single Oral B 4000 on Amazon is $85.99. From Staples right now you can get 2 toothbrushes for just $69.99! You can also get a 4 pack of Oral-B Power Floss Action Brush Heads on sale for $14.99 from Staples. A 5 pack from Amazon is $33.41. Want to continue reading this post? Click here!