Brushing standoffs are rarely about teeth. A two-year-old who clamps their mouth shut is usually asserting control, a five-year-old who stalls may simply find it boring, and a child who suddenly starts refusing may be telling you something hurts. Working out which of these you are dealing with tells you what will help.
What does not change at any age is the target: fluoride toothpaste on the teeth twice a day, with an adult making sure every surface gets cleaned.
Toddlers: control and position
Between about one and three, saying no is part of normal development. Arguing tends to lengthen the fight, so the most useful changes are practical.
Position matters more than persuasion. Sitting your toddler on your lap facing away from you, with their head resting against your chest, gives you a clear view and steadies their head. Another option is knee to knee with a second adult, the child lying back across both laps. Lift the top lip gently with one finger so you can see the gumline, where plaque collects first.
Offer choices that do not affect whether brushing happens: which brush, which side first, brushing in the bathroom or on the bed. Let them have a turn holding the brush, then say it is your turn to finish. If they are very upset, a quick 30-second clean that reaches the back teeth is better than a long struggle that ends with nothing done.
For technique by age, see our guide to cleaning baby and toddler teeth.
Preschoolers: routine and a bit of play
By three or four, many children resist because brushing interrupts something more interesting. A fixed place in the day helps: after breakfast, and as part of the bedtime sequence of bath, pyjamas, teeth, story. When it always happens at the same point, there is less to negotiate.
Small games carry a lot of weight at this age. A two-minute song, a sand timer, hunting for "sugar bugs" on each tooth, or brushing a soft toy's teeth first can all shift the mood. A sticker chart works for some children, as long as the reward is not a sweet. Brushing your own teeth at the same time gives them something to copy.
School-age children: independence with checking
Most children do not have the hand control to clean all their teeth well until around seven or eight, and many need checking for longer. Let older children brush first, then look over their work, particularly the inside surfaces and the back molars where new adult teeth are coming through. A disclosing tablet, which stains plaque pink, shows them exactly where they missed.
An electric toothbrush made for children can help a child who finds brushing tedious, and many have a built-in two-minute timer.
Getting the toothpaste right
Australian Dental Association guidance (teeth.org.au) is to use no toothpaste for babies under 18 months unless a dentist advises it, then a smear of low-fluoride children's toothpaste from 18 months to 6 years, and a pea-sized amount of standard fluoride toothpaste from 6 years. Children should spit out the excess and not rinse, so the fluoride stays on the teeth. Our article on how much fluoride toothpaste children need explains the right amount for each age.
Some children dislike strong mint. A milder flavour, or an unflavoured toothpaste, can remove a reason to refuse.
When refusal is a symptom
If a child who used to brush happily starts pushing the brush away, look for a cause. Teething, a mouth ulcer, sore gums, a sensitive tooth or a cavity can all make brushing uncomfortable. Children with sensory sensitivities may find the feel of bristles, foam or flavour genuinely distressing, and a softer brush, less toothpaste or a different routine can help. Worry about the dentist sometimes spills over into brushing too, which our article on a child who is scared of the dentist addresses.
What children eat between brushes matters as well. Frequent snacking on sweet or sticky foods feeds the bacteria that cause decay, so our list of tooth-friendly snacks for kids is worth a look.
Questions parents often ask
Is it okay to brush while my child is crying?
Yes, briefly and gently. Crying opens the mouth, and a calm, quick clean is better than skipping it. If every brush ends in distress, check for pain and try a different position or time of day.
We missed brushing last night. Does it matter?
An occasional missed brush is not a problem. Decay develops over weeks and months, so the overall pattern is what counts.
When should I ask a dentist or OHT for help?
If refusal goes on for weeks, brushing seems painful, or you notice white, brown or dark spots on the teeth, book a check.
Help from our team
Our dentists and oral health therapists at Lumi Dental see children for check-ups and prevention and can show you and your child practical brushing techniques in the chair. You can learn more about our general dental care or see family offers on our offers page.
This article is general information only and is not a substitute for personal dental advice. Please see a dentist to discuss your child's situation.
