The most effective ways to remove stains from teeth instantly

remove stains from teeth instantly
Tired of being self-conscious about those unsightly stains on your teeth?

Don't worry, you're not alone. Tooth discoloration affects many people, but the good news is that there are many solutions available to help you achieve a brighter, more confident smile.

Some of these methods are proven to deliver faster, sometimes instant results.

But it ultimately depends on many factors, such as the cause, the technique, and the concentration of whitening agents.

So, before you begin any treatment, it's important to identify the type of stain you're dealing with and its cause to determine the best course of action.

Read on to find out the different factors involved in tooth discoloration and the most effective treatments to remove these stains quickly and for good.

How do stains appear on our teeth?

Tooth discoloration can have different causes and factors. These can broadly be divided into two types: extrinsic and intrinsic stains.

1. Extrinsic Tooth Stains:

Extrinsic stains appear on the surface of the teeth (limited to the enamel) and are caused by external factors. Here are some common causes of extrinsic tooth stains:

  • Plaque and Tartar: Plaque buildup on teeth can cause yellow or brown stains. If left untreated, plaque can harden into tartar, which is even harder to remove.

  • Smoking: Tobacco use can cause dark brown or yellow stains on teeth.

  • Certain foods: Certain foods and beverages, such as coffee, tea, red wine, and soda, can also stain our teeth over time due to a substance called tannins.

extrinsic tooth stains due to pigmented foods

Extrinsic stains due to pigmented foods

Extrinsic stains are limited to the enamel surface. This is because enamel is naturally porous and can absorb pigmented substances.
The good thing about extrinsic stains is that they're easier to remove with oral hygiene measures, at-home whitening techniques, and regular dental cleanings.

2. Intrinsic Tooth Stains:

The tooth inner layers

Intrinsic stains occur in the deep structures of the tooth, beyond the enamel. They are caused by internal factors. Here are some common causes of intrinsic tooth stains:

  • Fluorosis: Overexposure to fluoride during tooth development can cause white or brown spots on teeth.

  • Medication: Certain medications, such as tetracycline, can cause deep gray or brown stains on teeth.

  • Trauma: A blow to the mouth or teeth can damage the nerves and blood vessels in teeth, leading to discoloration.

  • Hypomineralization: This is a condition where the enamel has not developed properly, making the teeth appear discolored or chalky.

  • Aging: As we age, the enamel on our teeth naturally thins, making the underlying dentin more visible. Dentin is naturally yellow, so as it becomes more visible, teeth can appear darker and duller.
fluorisis stains Intrinsic stains are harder to remove because they affect the deep structures of the tooth, including the dentin. Treatment for intrinsic stains may involve more advanced cosmetic dentistry procedures, such as professional teeth whitening or veneers.

Now that we've covered the different factors that can cause stains on teeth, let's explore how whitening treatments work and the most effective techniques.

The Key Things About Whitening Products

When it comes to tooth whitening, the most effective methods all follow a similar principle. Active ingredients penetrate deep into enamel and dentin, breaking down pigments for whiter, brighter teeth.

The most commonly used bleaching agents are hydrogen peroxide and carbamide peroxide. However, it's hydrogen peroxide that is responsible for the whitening action. A 10% concentration of carbamide peroxide will release approximately 3.6% hydrogen peroxide.

Here are some important things to remember about these whitening agents:

  1. Concentration matters: The peroxide concentration determines the speed and effectiveness of the results. Generally, higher concentrations provide faster and more noticeable whitening effects.

  2. Sensitivity risk: Higher concentrations also come with a higher risk of sensitivity and side effects.

  3. Bleaching agents need time to work their magic: For the active ingredients to work effectively, they need to be left on the tooth surface for a specific period, as directed.

  4. Hydrogen peroxide is stronger than carbamide peroxide: Hydrogen peroxide is more powerful than carbamide peroxide. But it can also be more irritating and cause side effects.

  5. Proper storage: Peroxide-based whitening products should be stored in a cool, dark environment. Storing them in the refrigerator can help extend their shelf life. Otherwise, they may no longer be effective.

The Most Effective and Quick Ways to Remove Stains from Teeth

As we talked about earlier, taking care of those surface stains is relatively easy. You can actually manage this just by keeping up with your regular oral hygiene routine – make sure to give your teeth a thorough brushing using the right technique.

However, sometimes we want speedy results, right? And that's where some super effective whitening techniques come into play.

Here are some studies that compare how fast different teeth bleaching methods can work:
Study At-Home Whitening In-Office Whitening
Comparison of at-home and in-office tooth whitening (1) Whitening Tray: 5 days 1 session
Comparaison of OTC, in-office, and at-home tooth whitening (2) -Whitening strips: 2 weeks
-Whitening Tray: 1 week
1 session
Tooth whitening with 6% whitening strips and two whitening toothpastes (3) -Whitening Strips (6%): 2 weeks
-Whitening Toothpastes: 4 weeks

Tooth Whitening Studies and Treatment Duration Comparison

1. In-Office Whitening:

If you're seeking an immediate solution to remove stubborn deep stains, in-office whitening is the way to go.

This option provides instant results, making it ideal for those who desire a brighter smile right away.

During the procedure, your dentist will apply a highly concentrated whitening gel containing 15-38% hydrogen peroxide or up to 35% carbamide peroxide. The application may be repeated 3 to 4 times within the same session, with each application lasting 10 to 20 minutes. On average, the entire session typically lasts between 30 to 90 minutes.

While superficial stains usually vanish immediately, it's important to wait for 24 hours after the treatment to allow the color of your teeth to stabilize. This waiting period helps determine if additional sessions are necessary for your desired results.


  • Immediate and noticeable whitening effects.
  • Professionally supervised treatment.
  • Tailored to your specific needs.


  • The most expensive whitening option.
  • Increased risk of potential side effects, such as tooth sensitivity or gum irritation, due to the high concentration of bleaching agents.

2. At-Home Whitening Treatment

1. At-Home Tray-Based Teeth Whitening

If you can't go for in-office whitening, the next option often involves tray whitening treatment. These are actually quite safe and budget-friendly. The best part is, you get to whiten your teeth from the comfort of your home.

The system typically includes a gel containing mainly carbamide peroxide, along with a tray or mouthpiece that may or may not have an LED light source to speed up the process.

The method consists of applying the whitening gel to the mouthpiece and placing it in your mouth. The recommended duration of wear varies, ranging from a few hours per day to 8 hours overnight.

Getting the tray or mouthpiece is something you can do either through your dentist or by buying one over-the-counter. The dentist's version is custom and fits better, but it can cost more.

The concentration of carbamide peroxide in the gels generally ranges from 10% to 20%. While this concentration is lower compared to in-office whitening, it is considered safer and gentler for home use.

Studies have shown that teeth whitening trays can deliver results comparable to in-office whitening, although it may take a bit longer. In fact, a study comparing a one-hour in-office bleaching session (25% hydrogen peroxide) with a 5-day overnight home treatment using a mouthpiece (10% carbamide peroxide) found similar outcomes.

Pros of Teeth Whitening Trays Cons of Teeth Whitening Trays
Convenience of using the kit at home Longer treatment than in-office whitening
Generally more affordable than in-office treatments
Studies demonstrate comparable results to in-office whitening

2. Whitening Strips

These consist of adhesive strips that contain a whitening gel on the side that adheres to the front surface of your teeth.

With regular use, whitening strips can provide excellent and long-lasting results, making them one of the best and most popular at-home whitening solutions.

The active ingredient in whitening strips is usually hydrogen peroxide, with concentrations typically ranging from 5% to 14%.

They are easy to use. Just take the strip out of the package and put the gel side onto your teeth. How often and how long you use them depends on the specific product and how much whitening active ingredient it has.

The time it takes to see results with whitening strips again largely depends on the concentration of the product.

A study looked at various tooth whitening methods and found that both whitening strips (with 5% hydrogen peroxide) and in-office whitening (using 38% hydrogen peroxide) gave fantastic results. But, the catch is in the speed. In-office whitening did its magic in a single session, while those store-bought whitening strips needed about two weeks to catch up to the same level.

Pros of Whitening Strips Cons of Whitening Strips
Convenient and easy to use at home Results may take longer to become noticeable compared to in-office treatments
Can provide great and long-lasting results Coverage may be limited to the front surface of the teeth
More affordable compared to in-office treatments Some individuals may experience mild gum irritation or tooth sensitivity
Minimal sensitivity compared to higher-concentration whitening methods

3. Paint-On Gels

Paint-on gels have recently gained popularity as a convenient at-home teeth whitening solution.

Whitening pens, also known as paint-on gels, offer a simpler and less expensive option for minor staining, providing a quick fix for a brighter smile.

These pens are designed like a tube, with a whitening gel containing hydrogen peroxide or carbamide peroxide.

The main purpose of paint-on gels is to create an optical effect by adhering to the teeth, temporarily enhancing their whiteness. Think of it as a temporary smile make-up that provides a short-term glow. However, this effect fades as the gel wears off.

Paint-on gels are an excellent choice for an instant and short-term solution. However, they are not as effective for achieving long-lasting whitening results compared to other techniques we've discussed.

Using a whitening pen is really simple: push or twist the pen tip to get the gel out, then put it evenly on the front of your teeth and let it dry. Once it's dry, you're good to close your mouth.

Remember that whitening pens are primarily intended for slight or temporary changes or for maintaining the results of previous whitening treatments. If your teeth are severely discolored, this may not be the most suitable option.

Pros of Paint-On Gels Cons of Paint-On Gels
Simple and easy-to-use application Temporary results that fade as the gel wears off
Provides a quick fix for minor staining Limited effectiveness for severe tooth discoloration
Affordable compared to other whitening methods May not provide long-lasting whitening effects
Portable and convenient for on-the-go touch-ups
In-office whitening treatments can deliver instant and noticeable results in just one session, while at-home whitening methods require consistent use over time. However, the good part about at-home whitening approaches is they use lower concentrations, making them safer, well tolerated, and with minimal side effects.

Other At-Home Whitening Treatments

While peroxide-based whitening treatments target deep stains, other home measures like whitening toothpastes, mouthwash, and sugar-free chewing gums primarily focus on removing surface stains and preventing plaque buildup.

Even though these products may contain peroxide whitening agents, the concentration is typically too low to deliver noticeable results. Instead, their effectiveness comes from their abrasive nature and anti-plaque properties. So, these options can help you maintain your whitened teeth and prevent future discoloration.

Whitening Toothpastes:

  • Whitening toothpastes are a popular choice for at-home surface stain removal.

  • Most whitening toothpastes contain abrasive agents that help remove surface stains. Common abrasive ingredients include silica, baking soda, and calcium carbonate.

  • Due to their abrasive action, it's important to avoid excessive use or applying too much pressure while brushing. Overuse and aggressive brushing can potentially damage your teeth and gums, leading to issues like tooth sensitivity, gum recession, and cavities.

  • I recommend using them for up to three weeks at a time or alternating them with a gentler toothpaste.

Sugar-Free Chewing Gums

Sugar-free chewing gums, although not directly whitening teeth, can help prevent stain and plaque formation. Look for gums that contain tooth-friendly ingredients such as xylitol and sodium hexametaphosphate.

  • Xylitol has anti-plaque properties and inhibits the growth of cavity-causing bacteria.

  • Sodium hexametaphosphate is known to significantly reduce teeth staining by influencing the binding properties of chromogens, the compounds that cause discoloration.

Oral Hygiene

Improving your oral hygiene practices can also contribute to stain removal and prevention. Here are some tips:

  • Using an electric toothbrush can provide more effective cleaning compared to manual brushing.

  • If you prefer a manual toothbrush, ensure you brush correctly by using gentle, circular motions and reaching all tooth surfaces.

  • Don't forget to clean between your teeth using dental floss or interdental brushes. These areas are not easily accessible by a toothbrush and are more susceptible to stain and plaque buildup.

What You Should Know Before Starting Any Whitening Treatment

While tooth whitening is a non-invasive method compared to other dental procedures to enhance your smile, it's important to note that it may not be suitable for everyone.
There are some cases where it can do more harm than good. These include:

  • Presence of cavities or fractures: If you have untreated cavities or fractures in your teeth, it's important to address them before undergoing whitening treatment.

  • Gum disease: Individuals with active gum disease or gum recession may experience increased sensitivity during whitening treatment.

  • Sensitivity problems: If you have tooth sensitivity, it may be worsened by whitening treatment. Talk to your dentist before starting to explore alternative or gentler whitening options.

  • Young patients: Teeth whitening treatments are generally not recommended for individuals under 15 years old. Teeth are immature and porous at this stage.

  • Pregnant and breastfeeding women: Whitening agents may affect the developing fetus or nursing baby.

  • Smokers: In addition to the limited whitening effect on smokers, hydrogen peroxide can interact with tobacco, increasing its toxic potential.

  • Allergy to whitening ingredients: Some individuals may have allergies or sensitivities to the ingredients used in whitening products.

Additionally, higher concentrations of whitening agents increase the risk of side effects. If you plan to use a whitening product containing more than 3% hydrogen peroxide (or 10% carbamide peroxide), be aware of potential side effects such as:

  • Effects on enamel and dentin: Higher concentrations of whitening agents can temporarily weaken the tooth enamel or cause increased tooth sensitivity. These effects are usually reversible.

  • Effects on soft tissues: Whitening agents can irritate the soft tissues of the mouth, including the gums. They can lead to sores, burns, and whitish discoloration of the gums.

Tips to Manage Side Effects:

  1. Apply a desensitizing gel or toothpaste to your teeth before starting the whitening treatment. Leave it on for a few minutes before brushing, for 7 days.

  2. Continue using the desensitizing product for the first two weeks after whitening.

  3. Strengthen your enamel and restore its hardness by using a fluoride supplement or remineralizing agent, such as mouthwash, foam, or dental gel.

Alternatives to Teeth Whitening

For individuals who may not be suitable candidates for teeth whitening, there are alternative options available to restore their smile and improve the appearance of their teeth. These alternatives include:

1. Microabrasion

This technique achieves immediate results for superficial stains limited to the outer tooth layer. Microabrasion involves applying an acid and an abrasive agent to the tooth surface to remove a thin layer of the affected enamel.

2. Icon resin infiltration

This is a perfect option if you have white spot lesions due to fluorosis or early decay. This technique is performed in a single visit and involves covering the stains with a dental material while preserving healthy tooth tissue.
The dentist first applies an acid gel to the tooth, then infiltrates the tooth surface with a tooth-colored fluid material to restore its natural appearance.

3. Veneers

This can be an excellent aesthetic solution for severe discoloration or alteration of the shape and structure of the tooth. Veneers are thin, tooth-colored shells attached to the visible part of the front teeth. They help hide discoloration and correct defects to give you a brighter, more even smile.