Oral-B

iO Series 4 Electric Toothbrush

Oral-B iO Series 4 Electric Toothbrush

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Overall

#19 in

Electric Toothbrushes

according to Reddit Icon Reddit

Sentiment score62% positive
18
4
7

Top Pros

Top Cons

Last updated: Jun 30, 2026

Reddit Reviews

Reddit IconKoponyanyi_Monyok
11 months ago

iO 4-et használok lassan 2 éve, semmi panaszom sincs rá. Egyszer egy termékbemutatón volt lehetőségem kipróbálni az iO10-et, nem adott semmi extra pluszt számomra. El is könyveltem magamban, hogy nem cserélném le a régebbi szériát.

Reddit IconMaterial_Quarter_302
11 months ago

Én az Oral-B iO Series 4-et használom. Először a hármast néztem, de ahhoz nem volt applikációs lehetőség, árban pedig nem volt nagy különbség. Az appot párszor használtam, inkább az elején volt fontos, hogy értsem mit kell csinálnom a fogkefével. Nagyon bejött, közösen használjuk a feleségemmel mivel a fejeket lehet cserélni és a rajta lévő szimbólumok miatt könnyen megkülönböztethetőek. Ami zavar, hogy app nélkül nem látom melyik módot használom és a töltöttséget sem jelzi (nyilván ez a drágább modellekben elérhető). A töltési ideje valóban sok kb. 16 óra, de este töltjük 3-4 naponta. Edit: az iO4 mellett szólt az is, hogy volt hozzá doboz/tok utazáshoz.

Reddit IconmiamiBMWM2
11 months ago

Ive had them all, pricey and base versions too. From my personal experience, one or two levels above base models (oral-b io4 or Sonicare 4100 are great) clean every bit as well as the top models so don't waste your money. Also, Oral-b IO brush heads are WAY more expensive on average so overall its more cost effective to go with Sonicare. They will ALL brush most effectively for about 1.5-2 years, then the motors and/or battery noticeable weaken and dont brush as well. Again, if you buy the near base models on sale (typically $30) its no big deal to replace every 1.5 years or so other than the guilty conscience for adding more plastics to the world. If they have issues early on (only ever had an issue with an Oral-b battery dying about 6mo in), both companies were great about sending out another replacement handle. Sonicare batteries tended to last me 2 weeks between charges while Oral B IO lasts about 1 week. So I took the Sonicare on short work trips without the charger. Take the brush head off and its easy to pack. Lastly, the Sonicare's seem to get my teeth cleaner feeling when new, but dropped off faster after about 1 year (so I replace them at that time). The oral-b IO isnt as great at first but remained more consistent throughout until aboutj 1.5 years in, so I replaced the io4 then. Why have both? Why not? I was curious like most people and both were about $40 on sale several times throughout the year on Amazon.

Reddit IconMrobbo1984
5 months ago

100% bought iO4 - and it basically went all mouldy regardless of how well I cleaned it. Using a normal toothbrush until I can find a replacement and it might be that Suri is the answer.

Reddit IconOpen_Atmosphere_3579
11 months ago

Oral B Io4, fogorvos ajánlotta fognyaki kopások miatt, ezzel nem sikálom szét a zománcot de nagyon alaposan tisztít. Szeretem nagyon:)

Reddit Iconpeakmeme
2 months ago

Dentist here, I only recommend an oscillating head (oral b) and not sonic (Colgate/phillips), studies consistently show they remove more plaque. I can’t find the exact video but they looked at non-oscillating heads in ultra slow motion and the movement at the tip of the bristle (where it counts) was essentially nil. The other important factor is a pressure sensor. Along the gum line it’s more common to see toothbrush abrasion lesions and gum recession than actual decay. From my experience people over brush the surfaces you see when you smile, and they under floss the in-between areas. Pro tip: grab an interdental brush (Pikster or TePe) because no matter how good the tooth brush it’s only ever going to clean 3 out of the 5 surfaces of a tooth.

2 months ago

I honestly prefer the older style Oral B Pro series (700/800/1500/4000) but the newer iO series seem okay too. iO3 as a minimum, iO9 if you want to connect it to smartphone, not sure why you’d want to. I use an Oral B Pro 700, a manual toothbrush when I’m travelling, and piksters. I have an iO4 that a rep gave me that’s waiting for the Pro series to die, although I’m not sure it ever will. The other-side of the equation is diet of course, if you have a diet full of fibrous, low GI foods, and don’t smoke, you can afford to be a little bit slack in the hygiene department from time to time.

2 months ago

Oh god that’s a hard one, I’d like to see myself as a ‘think outside the box’ kind of person, because the mainstream is boring! However, when it comes to alternative theories on health it gets real crazy real quick, e.g. egg shells cure teeth decay, the baby stripped all the nutrients from my teeth, my wisdom teeth made my teeth crowded etc. The 1/10 in me tries to look at the patient holistically, what’s right for one person might not be for the next, but the 9/10 recognises that most decisions and advice should be based on some form scientific proof.

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