The hum by Colgate offers a smart electronic toothbrush that is affordable, works well, and has cheap replacement heads. Here's why it's a winner.

You get “smile points” every time you brush, and 100 points are equal to $1 for replacement brush heads and toothpaste. ... Colgate Hum Smart Electric Toothbrush. Down from $70.

The Hum by Colgate toothbrush comes with a charging stand and a travel case for under $65, and it's sometimes on sale for even less. ... a small and/or flexible brush head is best for you.

hum by Colgate Electric Toothbrush & Case Was $79.99, ... which give you $1 per 100 points to spend on things like replacement brush heads. Today's best hum by colgate deals.

The initial set comes with one brush, charger, carrying case, and an extra refill brush head (a two-pack refill is $9, and will last you six months a piece, so it's a pretty good deal!).

It has replaceable heads, and you can pick two of them up for between $7 and $10. I've used a lot of toothbrushes in my 35 years of brushing, and this is by far my favorite and leaves my mouth ...

Colgate Hum Smart Rhythmic Sonic: Price and availability. The Colgate Hum Smart Rhythm Sonic Toothbrush is available from the Colgate website, with prices starting at $29.99 in the US and £24.99 ...

The hum by Colgate offers a smart electronic toothbrush that is affordable, works well, and has cheap replacement heads. Here's why it's a winner.