Best of both worlds toothbrush: I have written about high-frequency vibration toothbrushes for several years now, and it has been a popular topic with readers. These toothbrushes use micro-vibrations ...

I see I’ve missed the boat picking up the Hanasco Sonic Electric toothbrushes on Amazon. Since I’m buying for two males, the pink won’t work and that is all that is left in stock. Is there anywhere ...

Q. I read your review of the TLOVII Sonic Electric Toothbrush on sale for $29.99 and went straight to Amazon to buy one. It shows “Currently Unavailable.” Do you know if they will be available again?

Q: I bought the TLOVII toothbrush and like it a lot, but I lost the magnetic USB charging cord. I cannot find a compatible replacement for sale anywhere. Can you help? — S.C., Cape May, New Jersey A: ...