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Clear answers about your teeth and gums

Plain-language guides to everyday care, common problems and dental treatment, checked against guidance from public health bodies and dental associations.

Browse oral health topics Common problems
109
Oral health guides
1012
Sources cited
6
Topic areas
Sep 2026
Last updated

Browse by topic

Everyday care

Brushing, cleaning between teeth, fluoride and the habits that prevent most dental problems.

All everyday care (13)

Common problems

Sensitivity, bad breath, gum disease, decay and other conditions: causes, what helps, and when to get help.

All common problems (32)

Health conditions and your mouth

How diabetes, reflux, cancer treatment and other conditions affect teeth and gums, and what helps.

All health conditions and your mouth (19)

Diet and lifestyle

How sugar, acidic drinks, smoking and vaping affect teeth and gums.

All diet and lifestyle (7)

Life stages

Children's teeth, pregnancy and oral health as we age.

All life stages (13)

Dental visits and treatments

Check-ups, common treatments and what to do in a dental emergency.

All dental visits and treatments (25)
See all oral health topics

Product guides and comparisons

Best Teeth Whitening Kits 2026
Best Teeth Whitening Kits 2026

At-home whitening kits compared on formula, session time and guarantee, with separate rankings for Australia, the UK and the US.

Best Electric Toothbrushes 2026
Best Electric Toothbrushes 2026

Sonic and oscillating brushes compared on cleaning action, modes, pressure sensor, battery and warranty.

At-Home vs In-Chair Whitening
At-Home vs In-Chair Whitening

Whitening at the dentist and at home compared on strength, time, cost and supervision.

How we write

01
Sources on every article
Each guide lists the public health bodies and dental associations it is based on, so you can check them.
02
Plain language
Written for anyone, with clinical terms explained the first time they appear.
03
Dated and updated
Every page shows when it was last updated. Tell us if you spot something out of date.
04
Not a substitute for a dentist
Our guides explain and inform. For pain, swelling or anything getting worse, see a dentist.
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