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Oral-B Pro 100 CrossAction Toothbrush

Curated from 125 real Reddit conversations

Refreshed on: February 25, 2025

Oral-B Pro 100 CrossAction Toothbrush

Brand: Oral-B

Price: $15

Snoop Score:

6.2

Sentiment

3.9

Popularity

3.8

Technical

7.8

Buy on Amazon for $15 See All Powered Toothbrushes & Accessories Reviews

As an Amazon Associate, I earn from qualifying purchases.

Snoop's Take

The Oral-B Pro 100 CrossAction is a battery-powered toothbrush designed for effective plaque removal and healthier gums. Featuring a round brush head, it ensures a thorough clean by reaching every tooth individually, making it an ideal choice for those looking to upgrade from a manual toothbrush. Consumer feedback highlights the toothbrush's strengths, particularly its ability to remove plaque effectively and provide a good clean for sensitive teeth. Many users appreciated the value it offers, with one stating, "It's the best value pick from the iO range in my opinion," while others noted the "micro-vibrating bristles" enhance the cleaning experience. However, some users expressed concerns about maintenance, mentioning issues like mold buildup and difficulty cleaning the brush heads. Overall, despite some negative feedback regarding cleaning challenges, the Oral-B Pro 100 CrossAction is recommended for its category due to its strong performance in plaque removal and good battery life, making it a solid choice for those seeking an effective electric toothbrush.

Not for you? Check out our other rated Powered Toothbrushes & Accessories

Cleaning inside Oral B io toothbrush. Yes I know this is gross. I’ve been using an Oral B io toothb
Positive Feedback

the build up and mold growth is inevitable... it's a pain, I miss my Philips Sonicare.
Negative Feedback

6.2

Oral-B Pro 100 CrossAction Toothbrush

Buy on Amazon for $15

Enhanced Plaque Removal

10 / 10

Gum Health Improvement

9 / 10

Kid-Friendly Designs

5 / 10

Multi-Functional Cleaning

9 / 10

See how this compares to all Powered Toothbrushes & Accessories

What it does well!

Key strengths users can’t stop talking about.

Effective at plaque removal

“Cleaning inside Oral B io toothbrush. Yes I know this is gross. I’ve been using an Oral B io toothb”➕

“I like it. I use the gum care setting.”➕

“Excited for a toothbrush! Child-me would be so disappointed in the adult I’ve become.. 🤷🏻‍♀️”➕

Best value option in the iO series

“It's the best value pick from the iO range in my opinion.”➕

Micro-vibrating bristles help achieve better clean

“The micro vibrating bristles are the iO Series equivalent to pulsations you have on your Smart Series 5000.”➕

Effective plaque removal

“I purchased the duo pack for a great price so me and my gf both upgraded from manual ones.”➕

“I absolutely love it but can't speak for longevity yet.”➕

Good battery life

“My batteries have lasted 6+ years at least if not longer.”➕

Effective for sensitive teeth

“The Oral-B iO doesn’t vibrate my hand as strongly as other electric toothbrushes have in the past and my teeth feel so clean after using.”➕

“I like Oral-B because of the round brush head vs Sonic's which is shaped like a manual brush.”➕

Good for gum health

“Really makes your teeth pearly, great for the gums.”➕

Affordable brush heads

“Brush heads are affordable too.”➕

Consistent cleaning performance

“my teeth just always feel so slick when I use it.”➕

Powerful plaque removal

“the Oral B is much more powerful when comparing the two, making it better at removing plaque.”➕

“Unless you plan to spend $350 every 2.8 years, dont buy Oral-B.”➕

Where it needs some work!

Areas to watch—feedback on possible improvements.

Difficult to clean with mold buildup

“the build up and mold growth is inevitable... it's a pain, I miss my Philips Sonicare.”➕

“It's actually ridiculous that these toothbrushes were released (and again at that price point! I paid 250 for mine!).”➕

“the IO ones are gunk city after a while.”➕

“The thought of sticking that brush head in my mouth, even once, horrifies me.”➕

Charging base collects toothpaste buildup

“I also get a bunch of toothpaste buildup on the charge base.”➕

Toothbrush crashes during use

“I kid you not. And then I’d have to wait for it to reboot before I could start it again.”➕

Buildup on charger and toothbrush holder

“What is this build up on my toothbrush holder and how do I prevent it from happening?”➕

“I was to rinse out black mold(?) out of it.”➕

“Plus I only use the charger once a week anyway, that lasts me fine.”➕

“Hers is a disaster zone 😄”➕

Charging case is light and topples over

“The charging case is annoyingly light and tends to topple over.”➕

Brush heads are expensive and not interchangeable

“The brush heads are not interchangeable, so prepare to pay $10 for each head.”➕

Overwhelming product choices

“There are so many to pick from and I’m feeling overwhelmed.”➕

Difficult to replace batteries

“I would really like to stop buying & throwing away, it’s wasteful.”➕

“My old manual toothbrush lasts much longer and doesn't consume any power.”➕

Annoyance with the lack of USB-C charging options

“It is so annoying to use their wireless charger.”➕

“I kind of hacked it.”➕

Compare On All Talked About Dimensions

Product Name	Price	Score	See Details	Buy Now
Aquasonic Black Series PRO Toothbrush	$79	8.8	Details	Buy
Rtauys S5 Sweeping Electric Toothbrush	$17	7.8	Details	Buy
Aquasonic Vibe Series Ultra-Whitening Toothbrush	$39	7.5	Details	Buy
7AM2M Sonic Electric Toothbrush with 6 Brush Heads	$26	7.0	Details	Buy
Colgate Kids Bluey Toothbrush and Toothpaste Bundle	$8	6.4	Details	Buy
Oral-B Pro 100 CrossAction Toothbrush	$15	6.2	Details	Buy
Arm & Hammer Kid’s Spinbrush Spiderman Powered Toothbrush	$5	6.1	Details	Buy
Philips Sonicare HX3411/04 DailyClean 1100 Electric Toothbrush	$39	6.0	Details	Buy
Spinbrush PRO+ Gum Health Powered Toothbrush	$9	5.5	Details	Buy
Colgate 360 Floss Tip Sonic Powered Toothbrush 2 Pack	$17	5.1	Details	Buy

Core Power Plays

The specs and strengths that make it shine.

Comparison to other brands

“I honestly can’t believe how much cleaner it makes my teeth too.”➕

Inquiry about noise level

“Hi is this toothbrush quiet?”➕

User disappointment regarding the absence of a stand for the toothbrush

“Bummed to see there is no stand on their website.”➕

Discussion on the differences between iO series models

“I’ve been seeing that Oral-B iO is one of the best.”➕

“I'm leaning towards the 10, because my ADHD needs something extra to create a brushing routine.”➕

“It's better to go for the brush you think is best suited to you than saving a few $$ and not being happy with the other.”➕

User experiences with cleaning habits vary

“Sounds like an upgrade is a "want to" not a "need to" for the best cleaning.”➕

Discussion on iO series models

“do you have a preference for which iO?? I see all different ones like iO 6 and iO 7 are on sale but not sure if I should spend more on one of the other iO generations 😬”➕

“I do totally recommend one of the cheaper options to start with!! You really don’t need all the bells and whistles.”➕

Discussion on battery lifespan and replacement

“None of the high end toothbrushes have replaceable batteries I think, so naturally aren’t designed for lifetime use.”➕

Discussion on battery longevity

“I’ve had the same electric toothbrush for about 6 years now and it’s still going strong.”➕

Hidden Hero Hacks

Unexpected tricks and side‑door uses you’ll love.

Discussion about the usefulness of apps

“you certainly aren’t missing anything.”➕

Buyer’s Cheat Sheet

What to check before you click ‘Add to Cart.’

Discussion on lifespan and replacement of electric toothbrush

“But am I supposed to replace the main body after some point?”➕

“It either dies (ceases to function) or the battery life fades (e.g. need to charge it every time).”➕

“Why would you need to replace something that works fine?”➕

“No real need to replace it ever unless it stops working or you can't buy new replacement heads for it anymore.”➕

Discussion on cleaning methods

“most of the time can you store it upside-down so water drops out of the toothbrush?”➕

Discussion on travel toothbrush options

“Woah 🤩 Thank you very much for your responses.”➕

“Only thing is it uses batteries, have to remember to make sure they work before traveling.”➕

“I have the rechargeable and it’s great.”➕

“I will NOT be purchasing another Sonicare One, it just doesn’t clean well enough.”➕

Discussion on size perception over time

“it’s noticeably bigger than a regular manual toothbrush but I didn’t even realise after a few days.”➕

Discussion about replacing Oral-B toothbrush with another brand

“Long story short: I ended up replacing my old Oral-B sonic toothbrush with this one, that's how good it is.”➕

Comment on lack of accessories and stock issues for competing products

“Dyson acts like a premium brand but they do not support their own products.”➕

Discussion on cleaning methods to prevent buildup

“Almost no buildup ever, but a quick wipe with a damp cloth followed by a good dry with a paper towel once a week or so will do the trick.”➕

“If it's wet at all underneath, you'll get that buildup.”➕

“just buy those round cotton makeup remover pads and stick one on there to catch the run off.”➕

“Started doing this recently and it's blown my mind.”➕

Concerns about the cost of replacement brushes

“iO3 will cost more long term because brush heads are more expensive than the Smart 1500, even if the iO3 is cheaper to buy now.”➕

Unexpected patriotic pride regarding toothbrushes

“Sudden unexpected rush of patriotic pride even though I do not use an electric toothbrush.”➕

Advice on battery replacement from Braun

“They might try to tell you to buy a new one, or they might offer to replace or give advice on replacement.”➕

Resources for replacement guides

“iFixit's has some great guides and usually links to or sells the replacement parts and tools.”➕

Cautionary Callouts

Know the pitfalls before they catch you off guard.

Discussion on features of competing toothbrushes

“I am after the best and most gentle feeling brushes I can get and protecting my fillings and gums.”➕

“By quadtimer do you mean the vibration that reminds you to switch mouth sections?”➕

“But money isn't a factor when it comes to teeth.”➕

“If you want something BIFL look into Sonicare One with the replaceable AAA battery.”➕

Variability in user experiences based on cleaning habits

“Different mouths produce different bacteria. My wife never cleans her toothbrush and when I give it the one-a-month clean it is not riddled with mold or bacteria underneath.”➕

“My wife's gets super nasty too and mine is really clean.”➕

Discussion on automation with toothbrush integration

“My wife does not like me right now because I toyed with all sorts of automations, including sending her a notification 'Psssst - I'm brushing'.”➕

“Just out of curiosity, why do you need to have toothbrush in HA?”➕

Issue with toothbrush not charging

“it’s just flashing purple and it won’t seem to charge :/”➕

Long-term reliability of electric toothbrushes

“I have a cheapo oral b, it's been 7 years now no issue.”➕

Concerns about counterfeit products on Amazon

“This is the first time I've seen Amazon out-price Costco for a bulk pack of something.”➕

“there is a ton of counterfeit merchandise and amazon does basically zero to weed it out.”➕

“Never putting anything from their warehouses in my mouth or on my skin again.”➕

“I’ve received “authentic” items from Amazon that were counterfeit.”➕