How to Brush Your Teeth Properly and Use Mouthwash
Most people have been brushing their teeth since childhood, yet a significant number of adults are doing it in ways that limit its effectiveness. Whether you are uncertain about technique, wondering how long you should be spending at the sink, or confused about when to reach for mouthwash, you are far from alone.
This guide covers the best way to brush your teeth, how often and how long to brush, what the best time to clean your teeth might be, and how mouthwash fits sensibly into an effective daily oral hygiene routine. All guidance is aligned with current NHS and UK dental recommendations.
Quick Answer: How Should You Brush Your Teeth and Use Mouthwash?
Brush your teeth twice daily for two minutes using fluoride toothpaste — once before bed and once at another time during the day. Spit out the toothpaste after brushing, but do not rinse your mouth with water immediately afterwards, as this washes away the protective fluoride film. If you use mouthwash, use it at a separate time — for example, after lunch — rather than directly after brushing.
How to Brush Your Teeth Properly
Effective tooth brushing is about technique, not force. Pressing harder does not make teeth cleaner; it can actually damage tooth enamel and cause gum recession over time.
Here is a practical, evidence-aligned approach to how you brush on teeth effectively:
- Apply a pea-sized amount of fluoride toothpaste to a clean, damp toothbrush. For children under three, a smear is sufficient.
- Hold your toothbrush at a 45-degree angle to the gumline. This allows the bristles to clean along the gum margin where plaque tends to accumulate.
- Use small, gentle circular or short back-and-forth movements rather than aggressive scrubbing strokes.
- Work around the mouth in a systematic pattern so that no surface is missed — outer surfaces, inner surfaces, and the chewing surfaces of every tooth.
- Pay particular attention to the back teeth and the inside surfaces of the lower front teeth, which are commonly missed.
- Brush gently along the gumline without digging the bristles into the gum tissue.
- Brush the tongue lightly to help reduce bacterial load and support fresher breath.
- Spit out the toothpaste when finished. Do not rinse your mouth with water.
Both manual and electric toothbrushes can be effective when used correctly. Many people find that an electric toothbrush with a round oscillating head makes it easier to clean consistently, particularly around the gumline. If you are unsure which type suits your needs, a dental professional can advise you based on your individual circumstances.
How Often Should You Brush Your Teeth?
The NHS recommends brushing teeth twice a day — once last thing at night before bed, and once at another point during the day. This applies to adults and children over the age of two.
Brushing before bed is considered the most important session because saliva flow reduces overnight, which means the mouth has less natural protection against acid and bacterial activity.
It is not generally recommended to brush immediately after every meal, particularly if you have consumed acidic food or drinks such as fruit juice or fizzy drinks. Acid temporarily softens tooth enamel, and brushing while enamel is in this softened state can cause surface wear. Waiting at least 30 to 60 minutes after acidic food or drink before brushing is a commonly cited precaution, though you should check current guidance from your dental professional, as individual circumstances vary.
How Long Should You Brush Your Teeth For?
The recommended toothbrushing time is two minutes per session. This gives enough time to clean all surfaces of every tooth systematically if technique is applied consistently.
In practice, two minutes can feel longer than expected. A simple way to ensure you brush for the right duration is to use a timer, a phone application, or an electric toothbrush with a built-in two-minute timer. Many electric brushes also pulse every 30 seconds to prompt you to move to a different area of the mouth.
Brushing for longer than two minutes does not necessarily improve results and may increase the risk of overbrushing if you are applying pressure. The quality of the technique used during those two minutes matters more than extending the session unnecessarily.
What Is the Best Time to Clean Your Teeth?
The best time to clean your teeth is before bed and at one other point in the day — most commonly in the morning, either before or after breakfast. Both timings have merit depending on personal preference and circumstance.
Brushing before breakfast means you start the day with clean teeth and a fluoride film in place before food is introduced. Brushing after breakfast allows you to clean away food residue, though you should ideally wait 30 to 60 minutes if you have eaten something acidic. Neither approach is universally correct; the more important factor is that brushing happens twice daily, consistently, with fluoride toothpaste.
The evening brush before bed is essential. Saliva flow slows significantly during sleep, making the mouth more vulnerable to plaque activity and acid erosion if teeth are not cleaned beforehand.
Why Fluoride Toothpaste Matters
Fluoride is the active ingredient in toothpaste that helps protect tooth enamel from decay. It works by strengthening the outer enamel surface and helping to remineralise areas where early acid damage has occurred.
Current UK guidance recommends:
- Adults and children aged seven and over: Use toothpaste containing at least 1,350–1,500 ppm (parts per million) of fluoride.
- Children aged three to six: Use a lower-fluoride children's toothpaste (around 1,000 ppm) in a pea-sized amount.
- Children under three: Use a smear of toothpaste with at least 1,000 ppm fluoride.
Always check the fluoride concentration on the product label. Not all children's toothpastes contain sufficient fluoride. If you are unsure which toothpaste is appropriate for your child's age, a dental professional or pharmacist can guide you.
Should You Rinse After Brushing?
This is one of the most commonly misunderstood aspects of oral hygiene. The NHS advises that after brushing, you should spit out the toothpaste but not rinse your mouth with water.
The reason for this is straightforward. When you rinse your mouth immediately after brushing, you wash away the concentrated fluoride that has just been applied to your teeth. Leaving a small amount of toothpaste residue in place allows fluoride to continue working on the enamel surface for longer.
The same logic applies when using water, mouthwash, or anything else immediately after brushing. If rinsing with water after brushing is a longstanding habit, it is worth reconsidering — even a gradual change can meaningfully improve the protective benefit of brushing.
Should You Use Mouthwash Before or After Brushing?
This is a question that genuinely divides people, and there has been some evolution in thinking around it.
If you use a fluoride mouthwash, current NHS guidance suggests using it at a different time from brushing — for example, after lunch — rather than immediately after brushing. Using fluoride mouthwash directly after brushing can dilute the higher-concentration fluoride in the toothpaste you have just used, reducing its effectiveness.
If you use mouthwash before brushing, it may help loosen debris or provide a fresh baseline, but it should not replace the act of brushing itself.
The most important principle is this: mouthwash is not a substitute for brushing. It is an optional additional aid in certain circumstances. Some people benefit from specific mouthwash formulations for particular oral health reasons, while others may not need it at all as part of their routine.
If you are uncertain whether mouthwash is suitable for you — or which type — speak with a dental professional who can advise based on your specific circumstances.
Does Mouthwash Remove Plaque?
Mouthwash alone does not mechanically remove plaque in the same way that brushing and interdental cleaning do. Plaque is a sticky bacterial film that adheres to tooth surfaces, and it requires physical disruption — through a toothbrush and interdental aids — to be adequately removed.
Some antibacterial mouthwashes, such as those containing chlorhexidine, can help reduce bacterial load and may be recommended by dental professionals for specific clinical reasons, such as managing early gum inflammation. However, these are generally recommended for limited periods and are not intended for unrestricted long-term daily use without professional guidance.
What does mouthwash do? Depending on its formulation, mouthwash can:
- Deliver fluoride to help protect enamel (fluoride mouthwash)
- Help reduce bacteria associated with gum disease (antibacterial formulations)
- Freshen breath temporarily (many over-the-counter products)
- Support specific clinical needs when recommended by a dental professional
The key point is that different mouthwashes have different purposes and ingredients. They are not interchangeable, and the correct choice depends on individual oral health circumstances.
Is Mouthwash Good for Your Teeth?
Mouthwash can be a useful addition to an oral hygiene routine for some people, but it is not universally necessary and is not appropriate as a replacement for toothbrushing or interdental cleaning.
Fluoride mouthwash may be particularly helpful for individuals at higher risk of tooth decay, including those with a history of decay, certain medical conditions, or reduced saliva flow.
Alcohol-containing mouthwashes are not suitable for children and may not be appropriate for everyone. Some people find them harsh on soft tissues or experience dry mouth as a side effect. Alcohol-free alternatives are widely available.
The decision about whether to use mouthwash, and which type, should ideally be informed by a conversation with a dental professional who can consider your individual oral health history.
How to Use Mouthwash Correctly
Regardless of brand or formulation, the general principles for correct mouthwash use are:
- Read the product label carefully before use. Instructions vary between products.
- Use the amount specified on the label — do not assume more is better.
- Swish the mouthwash around the mouth for the time stated on the label, typically around 30 to 60 seconds.
- Spit out the mouthwash completely. Do not swallow it.
- Do not eat or drink immediately after use if the product label advises against it.
- Observe any age restrictions stated on the packaging. Many mouthwashes are not recommended for children under the age of six, and some are not suitable for those under twelve.
For named products such as Listerine, formulations vary — antiseptic versions, fluoride versions and alcohol-free variants all have different instructions. Always follow the specific directions on the product you are using. If you are unsure whether a particular mouthwash is suitable for your circumstances, check with a pharmacist or dental professional rather than relying on general guidance.
How Interdental Cleaning Complements Brushing
A toothbrush — however good the technique — cannot reach effectively between teeth. The spaces between teeth account for a significant proportion of tooth surfaces, and plaque left in these areas is a common contributor to both tooth decay and gum disease.
Interdental cleaning should be a daily part of your oral hygiene routine. Options include:
- Interdental brushes (often referred to by brand names such as TePe brushes): These come in various sizes and are suitable for many adults. A dental professional can advise on the correct size for your gaps.
- Dental floss: Useful for tighter gaps where interdental brushes do not fit comfortably.
- Water flossers: May suit some people as an additional aid, though they are not universally recommended as a primary alternative to physical interdental cleaning.
The best approach to interdental cleaning is one that you will use consistently and correctly. If you are unsure which method is right for you, a dental hygienist or dentist can demonstrate technique and recommend appropriate products.
Common Toothbrushing Mistakes to Avoid
Understanding where oral hygiene routines often fall short can help you make meaningful improvements without drastic changes. Common mistakes include:
- Brushing for less than two minutes: Most people underestimate how quickly time passes during brushing.
- Missing tooth surfaces: The inside surfaces of teeth, particularly the lower front teeth, are frequently neglected.
- Brushing too hard: Excessive pressure can wear away enamel and damage gum tissue over time.
- Using toothpaste without adequate fluoride: Particularly relevant for children's products, which vary significantly in fluoride content.
- Rinsing with water immediately after brushing: This washes away the protective fluoride film.
- Using mouthwash immediately after brushing: If it is a fluoride mouthwash, this can reduce the benefit of the toothpaste just applied.
- Using mouthwash instead of brushing: Mouthwash does not remove plaque mechanically and cannot replace brushing.
- Neglecting interdental cleaning: Brushing alone leaves the spaces between teeth largely unaddressed.
- Using an old, worn toothbrush: Bristles that are frayed or flattened do not clean effectively. Most dental professionals recommend replacing manual toothbrushes or electric brush heads approximately every three months, or sooner if visibly worn.
- Ignoring product instructions and age restrictions: Particularly relevant for mouthwash and children's toothpaste.
Building a Consistent Daily Oral Hygiene Routine
Consistency matters more than occasional perfection. A practical daily oral hygiene routine for most adults might look something like this:
Morning:
- Brush teeth for two minutes with fluoride toothpaste
- Spit out — do not rinse
- Use interdental brushes or floss if preferred in the morning
Midday (optional):
- Use fluoride mouthwash after lunch as a separate step, if it forms part of your routine
Evening (before bed):
- Use interdental brushes or floss to clean between teeth
- Brush teeth for two minutes with fluoride toothpaste
- Spit out — do not rinse
- Do not eat or drink anything (except water) afterwards
This is a general illustration, not a clinical prescription. Individual circumstances, age, oral health status and product choices all affect what the ideal routine looks like for any one person.
When to Seek Dental Advice
Good daily oral hygiene is the foundation of oral health, but it does not replace professional dental examinations. The NHS recommends attending dental check-ups at a frequency advised by your dentist based on your individual circumstances.
You should seek professional dental advice if you experience:
- Bleeding gums that persist after improving your brushing and interdental cleaning technique
- Tooth sensitivity that does not resolve
- Toothache or persistent pain
- Ongoing discomfort or soreness in your mouth or gums
- Difficulty using a toothbrush due to tenderness or pain
- Uncertainty about which oral care products are right for your situation
These symptoms do not automatically indicate serious disease, but they do warrant appropriate clinical assessment rather than self-management alone.
Reflective Questions to Consider
- Do you brush for a full two minutes, or does it tend to be a much shorter session?
- Are you currently rinsing with water directly after brushing — and might it be worth changing that habit?
- When do you use mouthwash in relation to your brushing routine, and does it align with current guidance?
Building Lasting Oral Health: A Closing Note
Toothbrushing technique, brushing duration, fluoride toothpaste use, and the thoughtful inclusion of mouthwash and interdental cleaning are all components of an effective preventive routine. None of them are complicated in isolation, but it can take time to adjust habits and understand the reasoning behind each recommendation.
If you have concerns about your current oral hygiene routine, notice persistent symptoms, or want personalised guidance on the products most suited to your circumstances, a dental professional is best placed to help. Regular dental examinations remain an important part of maintaining your oral health alongside a consistent daily routine.
Frequently Asked Questions
Can I brush my teeth three times a day instead of twice?
Brushing more than twice a day is not generally necessary for most adults, and doing so with excessive pressure or an abrasive technique may increase the risk of enamel wear or gum sensitivity over time. Twice daily with good technique and fluoride toothpaste is the standard recommendation. If you feel the need to clean your teeth after lunch, rinsing your mouth with water or using a fluoride mouthwash at that time may be a more suitable option. Speak with your dentist if you are concerned about your routine.
Is it better to floss before or after brushing?
There is no definitive universal answer, and both approaches can be effective. Some evidence suggests that flossing before brushing may help to loosen debris between teeth and allow fluoride from toothpaste to penetrate those spaces more effectively. What matters most is that interdental cleaning is performed consistently every day, regardless of whether it happens before or after brushing.
My gums bleed when I brush. Should I stop brushing that area?
Bleeding gums during brushing are not a reason to avoid cleaning that area — in fact, avoiding it can allow plaque to accumulate and worsen gum inflammation. However, persistent bleeding after improving your technique warrants professional assessment, as it may be an early sign of gum disease. Brushing gently with a soft-bristled brush along the gumline and cleaning between teeth daily often helps to reduce bleeding over a period of weeks, but a dental professional can assess the underlying cause.
Is alcohol-free mouthwash as effective as mouthwash with alcohol?
The effectiveness of a mouthwash depends on its active ingredients rather than whether it contains alcohol. Alcohol serves mainly as a vehicle and preservative, not as the primary antibacterial agent. Alcohol-free mouthwashes can be equally effective depending on their formulation and intended purpose. Alcohol-free options are generally preferred for children, people with certain medical conditions, and those who find alcohol-containing products irritating.
How soon after eating should I brush my teeth?
If you have consumed acidic foods or drinks — including fruit juice, fizzy drinks, wine or citrus fruits — waiting at least 30 to 60 minutes before brushing is generally advisable. This is because acid temporarily softens enamel, making it more susceptible to mechanical abrasion. If your meals are not acidic, the timing is less critical. Rinsing with water shortly after eating and then brushing at your regular time is a practical alternative.
Should my child use the same toothpaste as me?
No. Adult toothpastes contain fluoride concentrations that are appropriate for adults and children aged seven and over, but younger children require age-appropriate formulations. Children under three should use a smear of toothpaste with at least 1,000 ppm fluoride; children aged three to six should use a pea-sized amount with around 1,000 ppm. Always check the label, and consult your dental professional or health visitor if you are unsure about the appropriate product for your child's age and circumstances.
What is the difference between a fluoride mouthwash and an antibacterial mouthwash?
A fluoride mouthwash contains fluoride ions that help to strengthen and remineralise tooth enamel, supporting the prevention of tooth decay. An antibacterial mouthwash contains ingredients — such as chlorhexidine or cetylpyridinium chloride — that target bacteria in the mouth and may help reduce gum inflammation. Some mouthwashes contain a combination of ingredients. The right choice depends on the reason for using mouthwash and your individual oral health needs, which a dental professional can help to clarify.
I have a sensitive mouth. Are there toothpastes or mouthwashes designed for sensitivity?
Yes. Toothpastes formulated for sensitive teeth typically contain ingredients such as potassium nitrate or stannous fluoride, which may help reduce the sensation of sensitivity over time with regular use. These are available over the counter and do not require a prescription. However, if sensitivity is persistent, severe or worsening, it is important to seek dental advice to identify and address the underlying cause rather than masking symptoms alone.
Can mouthwash help with bad breath?
Many mouthwashes contain ingredients that temporarily neutralise or mask odour-causing compounds in the mouth, which can freshen breath in the short term. However, persistent bad breath — known clinically as halitosis — often has an underlying cause, such as inadequate oral hygiene, gum disease, dry mouth or occasionally a non-dental health issue. Mouthwash alone is unlikely to resolve the root cause. Improving brushing and interdental cleaning technique is usually the first step, and a dental professional can investigate if the problem persists.
Does the type of toothbrush head matter — round or flat?
Both round oscillating heads (associated with many electric toothbrushes) and flat-head brushes (common in both manual and electric formats) can clean effectively when used correctly. Some research suggests oscillating-rotating electric toothbrushes may offer a modest advantage in plaque removal for some users, but technique and consistency remain the most significant factors. If you have difficulty reaching certain areas or maintaining an effective technique with your current brush, discuss options with your dental professional.
Dental Disclaimer
This article has been written for educational and informational purposes and is intended to support general oral health awareness for a UK audience. It does not constitute professional dental advice, a clinical diagnosis or a personalised treatment recommendation. Every individual's oral health circumstances are different, and the guidance provided here may not apply equally to all readers, including those with specific dental conditions, sensitivities, medical considerations or age-related needs.
If you experience persistent or concerning oral health symptoms — including bleeding gums, toothache, sensitivity or discomfort — please seek assessment from a qualified dental professional. Do not rely solely on this article to make decisions about your oral health care.
All product-specific guidance should be supplemented by reading and following the manufacturer's instructions and any age restrictions stated on the packaging. Mouthwash and toothpaste formulations vary between products; not all are interchangeable. If you are uncertain about which products are appropriate for your circumstances, consult a dental professional or pharmacist.
No treatment outcome, oral health result or preventive benefit is guaranteed. Individual results depend on a range of clinical and behavioural factors that cannot be assessed through an informational article.
Written Date: 30 October 2026 Next Review Date: 30 October 2027
Ready to Book an Appointment?
Our team is here to help you with all your dental and medical needs.
