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If your toothbrush’s bristles have lately looked like those of an old broom, it’s probably time to replace them. Here’s your sign to do so while electric-powering your dental health : The Oral-B iO Series 3 is 30% off right now. This popular rechargeable electric toothbrush is loved by many for its battery life, travel case and light-up pressure sensor that warns you if you’re brushing too hard.

Most importantly, reviewers love this brush because of its cleaning power — “I literally feel like I’ve gone to the dentist after using this toothbrush,” says one . If you want that post-dentist feel at home, grab this for just $69.99 at Amazon , down from $99.

99 for a limited time. This Oral-B Series 3 electric toothbrush includes a travel case, a charging cord and an extra brush head. It also has a built-in two-minute timer, which breaks down brush time into four 30-second intervals for each quadrant of your mouth, and three cleaning modes for customized brushing: daily clean, sensitive, and whitening.

A pressure sensor alerts you when you’re brushing too hard or need to apply more pressure, plus it claims to last up to two weeks on a single charge, and many customers seem to agree. “I’m really glad I bought this,” says one reviewer . “.