How to get an 18 month old to let you brush their teeth

Brush 18 month old teeth can turn into a full-body wrestling match fast. At this age, many toddlers clamp their mouth shut, twist away, and cry before the brush even gets close.

The goal is not a perfect long brushing session. The goal is a short routine your toddler learns to expect, with enough cleaning getting done every day.

A short routine works better than trying to win the battle

An 18 month old usually does best with the same tiny routine every time. Toddlers this age fight less when the order never changes and the brushing ends quickly.

Aim for a script that takes under a minute before you even start brushing. Use the same place, same words, same song, and same finish every time so the brushing stops feeling unpredictable.

• Go to the same spot each time, such as the changing table, bed, or your lap in one chair.
• Say the same one-line cue each time, such as "teeth time".
• Let your toddler hold a second toothbrush while you use the real one.
• Brush the front, the back, and the chewing surfaces in a quick set order.
• End the same way every time with a sip of water, a cuddle, or turning off the song.

My kids dentist said the same thing about brushing their teeth until about 8, my oldest is 4 1/2 and we let him start brushing and then go back in after him.

— r/toddlers

Your body position matters more than the toothbrush

The best way to brush 18 month old teeth is usually a position that keeps the head steady without turning it into a struggle. A moving target is hard to clean, and many toddlers panic more when a parent keeps chasing their mouth around the room.

Try sitting on the floor or a bed with your toddler's head in your lap, so you can see all the teeth. Another good option is chest-to-chest in front of a mirror, with one arm gently hugging their arms while the other hand brushes.

If you see bleeding that keeps happening, white or brown spots on teeth, or pain with eating, book a dentist visit. Those signs are about the teeth or gums, not about your brushing technique.

• Stabilize the head first so you can see the gumline.
• Lift the lip gently instead of poking the brush straight in.
• Use small circles along the gumline, then quick strokes on the chewing surfaces.
• Count teeth or sing while you move, so your toddler can predict when it will end.

Awe I’m sorry 😭 a pediatric dentist can easily get that out, but if you look up some restraint techniques you could probably do it, it just isn’t very fun doing that to your own child. My daughter (21 months) does not love me brushing her teeth but we get it done

— r/askdentists

A toddler who refuses brushing often needs more control

A toddler who will not let you brush teeth often calms down when they get a job. Control does not mean your toddler does the cleaning alone; it means your toddler gets a role before and during the brushing.

Offer two toothbrushes and let your toddler choose one to hold. Brush a stuffed animal's teeth first, let your toddler brush your teeth for a moment, or let your toddler start with one swipe before you take over for the real pass.

• Offer two brush colors and let your toddler pick.
• Let your toddler hold one brush while you use another.
• Brush a toy's teeth first and make it silly.
• Let your toddler take one turn, then say "my turn" and finish fast.

We also do this, but he holds one and I hold another. He gets to pick which one he holds. Choices! We also brush one of his stuffed animals teeth first and of course this animal puts up all kinds of silly protest generated by myself. Makes him laugh and then he usually lets me brush. Strategy has worked for about 6 months now.

— r/toddlers

Timing and texture can make brushing easier

How to clean toddler teeth at 18 months gets easier when the mouth is less sensitive and the child is less tired. Molars, teething pain, and end-of-day exhaustion can turn a small dislike into a full meltdown.

Try brushing earlier in the evening instead of waiting until your toddler is overtired. A soft small-headed brush helps, and a dry or just barely damp brush can give you better grip and less dripping around the lips and chin.

• Avoid starting right after a hard crying spell or right before sleep collapse.
• Try a softer brush with a small head.
• Use only a tiny amount of toothpaste so the foam does not overwhelm your toddler.
• If teething is active, pause for a minute, comfort first, then do a very quick pass.

I was once told that dampening the bristles may reduce cleansing effectiveness. I brush my teeth like twice a month anyway so I doubt rinsing the brush makes any difference.

— r/AskReddit

The brushing baby teeth battle usually gets worse when parents chase perfection

Brushing baby teeth battle mode often starts when every session has to be long, neat, and calm. At 18 months, a fast decent brush every day beats waiting for the perfect mood and skipping the teeth altogether.

Focus on the gumline and the chewing surfaces first. If you only get ten useful seconds, use those seconds on the spots where food and plaque sit most.

CariSpray can fit into this stage because it is a nano-hydroxyapatite oral spray that stays on the enamel after the mouth goes quiet. It is alcohol-free, fluoride-free, needs no rinsing, and works away from a bathroom.

Cut out juice or really any beverage aside from water outside of meals, reduce snacks (gold fish and fruit gummy’s are massive culprits for decay) and make sure YOU are the one brushing and flossing their teeth every day. Kids aren’t reliable self-brushers and it’s not reasonable to expect a child of this age to properly brush on their own.

— r/askdentists

You will know it is working when the routine gets boring

Brush 18 month old teeth successfully does not always look peaceful at first. Progress usually looks like less surprise, less twisting, and a shorter protest because your toddler knows exactly what comes next.

Give a new routine several days before you judge it. Many toddlers still complain a little, but the brushing starts to feel more like a normal part of the day than a dramatic event.

My 20 month old thinks it's a family helping activity. Like I brush his teeth and then he insists on brushing mine for me. It's very sweet. And messy. But mostly sweet.

— r/toddlers

Common questions

What if my 18 month old won't let me brush teeth at all?

Start with position and speed, not persuasion. Hold the head steady, lift the lip, and do a very short predictable brush in the same order every time. Many toddlers accept brushing better when they can hold a second toothbrush or take a quick first turn.

How do I clean toddler teeth at 18 months if brushing becomes a meltdown?

Pick a time before your toddler is exhausted, then use a small soft brush and keep the routine brief. A chest-to-chest hold or head-in-lap hold usually works better than following a running toddler around. The cleaning does not need to look pretty to count.

What is the best way to brush 18 month old teeth?

The best method is the one that lets you actually reach the front, back, and chewing surfaces every day. Stabilize the head, lift the lip, and use tiny circles along the gumline. Letting your toddler hold another brush often reduces resistance.

Should my toddler brush alone first?

A toddler can have a turn first if that lowers the resistance. Then the parent should do the actual brushing pass so the teeth get cleaned. Think of the first turn as cooperation practice, not the main job.

When should I worry that the brushing fight is really a tooth problem?

Book a dentist visit if your child has ongoing bleeding, visible white or brown spots, swelling, or seems to avoid chewing because of pain. Those signs can point to a tooth or gum issue that needs a closer look.

Start tonight with one tiny plan: same spot, same words, same hold, same fast order. Do not negotiate for ten minutes before you begin.

Keep the brushing brief and predictable for a full week before changing tactics again. Small calm repetition usually works better than a new trick every night.