Am I Brushing My Teeth Properly? Here’s How to Know for Sure

You’ve done it every day since you were a toddler, so surely you’ve got it down by now — but is your brushing technique actually protecting your teeth, or just going through the motions?

It’s one of the most common questions dentists hear, and for good reason: most people brush for less than half the recommended time, at the wrong angle, and miss the same spots every day. The good news is that fixing it takes no extra time, no special equipment, and can transform your gum health within weeks.

Here’s exactly how to check your technique, what dentists actually look for, and the warning signs that mean it’s time for a change.

How Long Should You Brush Your Teeth For?

Dentists recommend a full two minutes, twice a day. Studies consistently show most people brush for less than 45 seconds — under half the time needed to clean every surface properly.

Quick fix: Use a timer, an electric toothbrush with a built-in timer, or just play a two-minute song. Split the time evenly across four zones — upper left, upper right, lower left, lower right — roughly 30 seconds each.

What’s the Correct Tooth Brushing Technique?

A common mistake is scrubbing straight across the teeth like sanding a piece of wood. This can wear down enamel and irritate gums over time, without actually cleaning where it counts.

Instead:

• Hold your brush at a 45-degree angle to the gumline.
• Use small, gentle, circular motions — not back-and-forth scrubbing.
• Let the bristles do the work. Pressing hard doesn’t clean better; it just damages gums and enamel.

If your toothbrush bristles are splayed outward after a few weeks, you’re pressing too hard.

The Spots Almost Everyone Misses When Brushing

Most people brush the front surfaces well but neglect:

• The inside surfaces of the teeth (the tongue side) — angle your brush the same way and don’t skip these.
• The chewing surfaces, where grooves trap food and bacteria.
• The gumline, where plaque builds up fastest and gum disease typically starts.
• The back molars, especially the very last tooth, which is easy to rush past.

Should You Brush Your Tongue Too?

Bacteria that cause bad breath love to sit on the tongue. A gentle brush or scrape of the tongue — front to back — after brushing your teeth can make a noticeable difference to your breath.

When’s the Best Time to Brush Your Teeth?

• Brush at least twice a day: morning and last thing before bed.
• Wait 30 minutes after eating, especially after acidic foods or drinks, before brushing. Acid softens enamel temporarily, and brushing straight away can wear it away.
• Never brush and then rinse thoroughly with water — spit out the excess toothpaste but leave a thin layer behind so the fluoride keeps protecting your teeth.

Signs You’re Not Brushing Your Teeth Properly

Watch out for:

• Bleeding gums when you brush or floss (a sign of inflammation, not just “brushing too hard”)
• Persistent bad breath
• Visible plaque or a fuzzy feeling on teeth even after brushing
• Sensitivity to hot, cold, or sweet foods
• Gums that look red or puffy rather than pale pink and firm

If any of these sound familiar, it’s worth mentioning at your next dental visit rather than waiting for it to become a bigger problem.

What About Flossing?

Brushing alone only cleans about 60% of your tooth surfaces. Flossing (or using interdental brushes) once a day reaches the areas between teeth that your toothbrush physically cannot access. Skipping this step is one of the most common reasons people develop gum disease despite brushing diligently.

Frequently Asked Questions

Am I brushing my teeth properly if my gums bleed? No — bleeding gums are a sign of inflammation (often early gum disease), not a sign that you’re brushing “hard enough.” Switch to a soft-bristled brush, use gentle circular motions, and don’t skip flossing. If bleeding continues for more than a week or two, book a hygiene appointment.

How many times a day should I brush my teeth? Twice a day is the standard recommendation — once in the morning and once before bed — for two minutes each time.

Is an electric toothbrush better than a manual one? Electric toothbrushes generally make it easier to maintain consistent pressure and timing, and many people find they remove more plaque with less effort. That said, a manual toothbrush used correctly, for the full two minutes, at the right angle, is still very effective.

Should I brush before or after breakfast? Either works, but if you’ve eaten or drunk something acidic (fruit, juice, coffee), wait 30 minutes before brushing so you’re not brushing away temporarily softened enamel.

How do I know if my toothbrush is too worn out to use? If the bristles are frayed, splayed, or discoloured, or it’s been in use for more than three months, it’s time to replace it — worn bristles clean far less effectively.

The Bottom Line

Good brushing isn’t about brushing harder or longer for the sake of it — it’s about covering every surface, using the right angle, and being consistent. If you’re ticking the boxes above, you’re in good shape. If not, small adjustments today can prevent bigger (and more expensive) problems down the line.

And if it’s been a while since your last check-up, that’s the best way to get a proper assessment of your technique — a hygienist or dentist can watch you brush and point out exactly what to tweak.

Not sure how your brushing is really measuring up? Book a check-up and hygiene appointment today, and we’ll talk you through exactly what to improve, in person.