A smarter clean
See your pressure, keep timing in view and add optional app coaching when you want more guidance.
Explore the iO9Premium oral care, chosen by dentists.
A focused edit of high-performance home-care essentials, explained clearly by a private-dentist team with more than 100 years of combined experience.
- Dentist-selected
- Care chosen by a private-dentist team
- Clear product guidance
- Straightforward advice to help you choose
- Tracked UK delivery
- Royal Mail Tracked 24, free over £50
Choose by what matters to you
Three simple ways to find the right product for your daily routine.
Keep your brush performing
Keep four iO Ultimate Clean heads ready, with indicator bristles that fade towards white as a change cue.
See compatible heads
Sensitive teeth
Choose Biorepair Plus Sensitive Teeth for fluoride-free care with 24% microRepair® listed by Coswell.
See the formulaThe Onyx bundle
Everything in one set. Save £10.97.
Choose the Sensitive Teeth or Total Protection bundle. Each includes the Oral-B iO9 Black Onyx, four Ultimate Clean heads and the named Biorepair Plus toothpaste for £190 instead of £200.97.
Bundle price £190.00
Choose your toothpasteChoose Sensitive Teeth or Total Protection at the same bundle price.
Electric toothbrush
Oral-B iO9 Black Onyx Electric Toothbrush
Premium iO brushing with a colour display, visible pressure guidance and optional app coaching.
£500.00
£169.99
Replacement heads
Oral-B iO Ultimate Clean Heads, Black, 4 Pack
Four black Ultimate Clean heads made exclusively for Oral-B iO toothbrushes.
£23.99
Your toothpaste
Biorepair Plus
Choose Sensitive Teeth or Total Protection, both with fluoride-free microRepair® technology.
One toothpaste included
Compare the essentials
See the practical difference between the iO9, compatible replacement heads and two fluoride-free toothpaste choices.
Oral-B iO9 Black Onyx Electric Toothbrush
£500.00
£169.99
Interactive colour display, visible pressure guidance and optional connected coaching—now £169.99 against a £500 RRP.
View product
Oral-B iO Ultimate Clean Heads, Black, 4 Pack
£23.99
Four black iO Ultimate Clean heads with 16-degree angled bristles and visible replacement indicators.
View product
Biorepair Plus Sensitive Teeth Fluoride-Free Toothpaste
£6.99
Fluoride-free specialist toothpaste with 24% microRepair® listed by the manufacturer.
View product
Biorepair Plus Total Protection Fluoride-Free Toothpaste
£6.99
Fluoride-free everyday toothpaste with 20% microRepair® listed by the manufacturer.
View productFluoride-free choices, without the guesswork
Compare Sensitive Teeth and Total Protection in plain English. Both are fluoride-free and use the manufacturer's microRepair® technology at different listed concentrations.
Choose your formula
Sensitive Teeth contains 24% microRepair®; Total Protection contains 20%, as listed by the manufacturer.
Premium fluoride-free care
Biorepair Plus brings patented zinc-hydroxyapatite technology to two specialist toothpastes, both priced at £6.99.
microRepair® technology
Biorepair describes microRepair® as creating a temporary coating over enamel-surface micro-scratches with regular twice-daily use.
Why shop with Onyx
We combine private-practice experience with focused product selection, clear explanations and reliable UK delivery.
More than 100 years combined
Our private-dentist team brings its combined experience to the way products are reviewed and explained.
Premium, fairly priced
Standout products at prices that make better home care easier to own.
Value that earns its place
Every product is chosen by our dentist team for quality, usefulness and a price worth paying.
Quick answers
Straight answers about products, compatibility, bundle value and delivery.
What does the Onyx selection include?
Our private-dentist team selects a focused range of premium oral-care essentials for home use. The current selection is shown above.
Are the replacement heads compatible with every Oral-B brush?
No. Our Ultimate Clean replacement heads are made exclusively for Oral-B iO toothbrushes. Look for ‘iO’ in your toothbrush model name.
What is microRepair®?
microRepair® is Biorepair's patented zinc-hydroxyapatite technology, listed at 24% in Sensitive Teeth and 20% in Total Protection.
How will my order be delivered?
All UK orders are sent by Royal Mail Tracked 24. Delivery is £4.99, or free from £50. Order before 4pm for same-day dispatch.