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What causes tooth discolouration?

Discolouration may be due to the internal or external stains. Each will require different whitening or bleaching procedures to be effective. Strong coloured foods such as curries and sauces or dark drinks or social habits such as smoking can cause discolouration. Discolouration caused by underlying dental issues will need to be addressed first.

What is tooth bleaching and whitening?

Bleaching treatment involves an oxidative chemical that alters the lighter absorbing and/or light reflecting nature of a material structure, increasing its perception of whiteness. Common chemicals are hydrogen and carbamide peroxide which is a clear, colourless liquid with no odour.

How does whitening work?

Is essentially based on the degradation of coloured organic molecules which are bound into tooth structure and absorb light. When a bleaching product is applied to the tooth. It breaks down into water, oxygen ions, and free radicals which in turn oxidizes the bonds of long stain colored molecules that cause tooth discoloration into short and colourless. The short and colourless molecules are then removed by the saliva. The less light that is absorbed into the tooth the lighter the teeth will look. Free radicals are able to migrate throughout the tooth, so there is no need for the entire tooth to be in contact with whitening agent for the entire tooth to be whitened.

How long does the treatment take and what strengths are available?

Recommended wear time guide
Note: wear times listed are recommendations. The full treatment plan is determined by the clinician.

Our gels are available in three different strengths to suit all patient needs. Each strength determines how long each gel should be worn for each application.

9% Carbamide Peroxide is a mild gel for sensitive teeth
Recommended wear time is 6-8 hours.

16% Carbamide Peroxide is the original strength for very mild sensitive teeth
Recommended wear time is 4-6 hours.

20% Carbamide Peroxide is a high strength gel for teeth that are not sensitive
Recommended wear time is 2-4 hours.

Normal treatment time varies between people but it usually takes 2 weeks. Higher strength gels often achieve results faster, whereas lower strengths reduce the risk of sensitivity but are generally worn for longer

How long should I wait before I do any dental restorations such as fillings and veneers after whitening?

We recommend waiting at least 2 weeks for the teeth colour to stabilize in colour and to reduce compromising bonding to restorations as oxygen free radicals may still be present

Does whitening with the light work?

There a many light activation systems which include LED lamps, UV lamps, diode lasers etc. The Light activation can trigger a photocatalyst within the whitener that assists in breaking its hydrogen peroxide content into its reactive components. This can make shorter whitening times and enhance treatment results. There are many lighting systems on the market which have different mechanisms of working, some effective and some not so much. There is some studies to illustrate there are short term advantages but more needs to look at any long-term advantages.

How do I store my Whitening Studio gels correctly?

Keep out of direct heat and/or sunlight

Keep out of reach of children

As they do not need to be stored in the fridge, we recommend keeping them at a temperature of between 2—24 degrees centigrade. Ensure gel is at room temperature before use
Gel at room temp (22-24 degrees C)
(IMPORTANT: Cold gel below room temperature will significantly reduce effectiveness.

Why should I whiten my teeth?

Teeth start to discolour as soon as they come through. Tooth bleaching is an economic aesthetic solution compared to restorations such as crowns and veneers which can cost thousands. Perhaps you want to lighten the other teeth before placing a permanent restoration or to provide a lighter base colour before placing a thin white filling to as sometimes they are translucent.

How long does it take to whiten my teeth?

Not all cases are predictable and will depend on the type of staining. With our bleach, results maybe obtained in 5-14 days treatment time for common stains. Some moderately or severe stained teeth for example brown-stained fluorosis may take up to 10-12 weeks

Why does my teeth become more yellow as I age?

Secondary dentine is deposited within the dentinal tubules. This accentuates the yellow discolouration of the dentine. Isotrpoic dentine allow the yellow colour the underlying dentine to be seen more clearly as well as the enamel thickness wears over time.

Is this better than in-chair whitening at my dentist?

We offer an effective way of whitening at home for a more affordable price with operators who are dentally trained and educated in whitening to maximise results and minimise risks.

Will whitening remove my stains?

Bleaching is a conservative method to improve aesthetics compared to crowns, veneers etc. Stains all vary and vary with different intensities. Its best to have a realistic expectation before undergoing whitening treatment. Staining comes either intrinsically (inside) or on extrinsic (outside) surfaces of the tooth. Some external and internal stains may be bleached however it depends on their cause. Some people may have internal stains such as hypomineralisation (white spots) from fevers, trauma to the tooth bud during development such as chronic ENT infections, middle ear infections, tonsillitis, pharmalogical influences, aging etc. Tetracycline stains are also common and there are over 50 causes for this alone. Some external stains may be caused from foods, beverages, oral flora and tobacco. For example, tetracycline stained teeth are the least responsive and may take a few months to achieve a satisfactory result where as age, genetics, smoking and coffee stains are the most responsive to treatment. Stains in crack lines are also very difficult to remove.

Whitening of nicotine-stained teeth may take 1-3months and tetracycline-stained teeth may not respond or adequate response may require 2 to 6 months (or more)  

What results can be expected?

Its best to have a realistic expectation before undergoing whitening treatment. Teeth bleaching is not guaranteed to produce white teeth. Results depend on each individual client and the extent of discolouration. Some teeth are more yellow than others therefore not all teeth are responsive to treatment, and not all teeth respond at the same rate. Parts of a tooth may respond differently to the same bleaching procedure. Example, incisal edges begins to lighten first and the parts along the gumline last due to thickness of the dentine. However, the more stained or yellow your teeth are, the more dramatic the result will be. Results maybe obtained in 5-14 days treatment time but generally can achieve 5-8 shades lighter in 2 weeks from the common 16 colour dental shade guide. However, extended treatment may be necessary depending on the stain and could be up to 3 or 6 months or even longer. The treatment will not leave your teeth looking “Paper White” but will simply discolour any staining. Teeth become more saturated in yellow with aging.

Can I get stronger concentrations of peroxides?

Yes, the current policy is that teeth whitening/bleaching is an irreversible procedure on the human teeth and any tooth whitening/bleaching products containing more that 6% concentration of the active whitening/bleaching agent, should only be used a registered dental practitioner with education, training and competence in teeth whitening/bleaching (Dental Board Of Australia). Professional tooth whitening products can contain a concentration of hydrogen peroxide that ranges from 25 to 40 percent.
Whitening Smile can provide higher concentrations that may only be sold, supplied and used by registered dental practitioners than over the counter as part of their treatment plan.

Should teeth whitening be done by a dental professional?

Teeth whitening is a dental non-surgical treatment for cosmetic purposes. There are so many products on the market and we recommend getting teeth bleaching by a dental professional to minimise discomfort or damage to the nerve and help you achieve the best result you can achieve. The lack of education and supervision may lead to adverse long-term effects. Additionally, registered dental professionals can prescribe products from trusted sources to help suit your needs compared to teeth bleaching products sold over the counter or companies who are not dentally trained. We ensure our products meet the ACCC (Australian Competition and Consumer Commission) and most importantly gone through the rigourous regulatory standards with the TGA (Therapeutic Goods Administration). 

Products over the supermarket or pharmacy have low effectiveness, low concentration of carbamide peroxide, poorer fits, more gel ingestion and saliva inactivation of peroxide.

What are the risks, side effects, does it hurt or cause tooth sensitivity?

Our products have an active desensitising formula which contains potassium nitrate and fluoride to assist with sensitivity. It also contains a high water content to reduce dehydration and colour stability. If you have sensitive teeth you may get mild-moderate sensitivity 2-3 days after commencing bleaching. Tooth sensitivity is a common side effect during the bleaching process but diminishes over the next few days of continued use and may be transient pain but generally resolves when stopping the use. Sometimes give the teeth 1-2 day break or reducing bleaching contact will can help. Applying potassium nitrate in the trays for 10-30minutes prior to bleaching and afterwards can also help. As trained dental professionals we will recommend certain treatment options and guide you through the process and advise of products and how to manage any further side effects. Use of fluoride containing, low abrasiveness or desensitising will also help.

Is Whitening Studio covered by my private health insurance?

Unfortunately at present we are not registered with Health funds. We believe that despite this we are still a viable option compared to other comparable options on the market

Is teeth bleaching safe?

Bleaching materials have different considerations for safety and efficacy therefore not risk-free. However, when used properly, are effective and safe. When present in high concentrations and with exposures of prolonged duration, it can damage oral soft tissues and hard tissues. Significant adverse effects may occur with abuse or using bleaching materials of poor quality. Our products contains potassium nitrate and fluoride which has been shown to help reduce sensitivity and reduce decay and strengthen enamel. Follow instructions and regulations from a dental professional who fully trained and licensed for safe use, maximising benefits of bleaching materials while minimising potential risks. Teeth bleaching will not remove tooth enamel Teeth bleaching is considered one of the safest cosmetic dental procedures available without cutting into the tooth. Teeth bleaching products purchased over the counter and or supplied by non-dental professionals may not contain more than 6% hydrogen peroxide or 18% carbamide peroxide. As registered dental professionals, higher strength products can be used and prescribed.

Will my fillings, veneers and crowns be affected?

Existing restorations such as crowns, veneers and fillings do no change colour. Teeth whitening works on tooth enamel and dentine and existing stains on restorations. Restorations are generally done to match the existing surrounding teeth colour, therefore any bleaching done may be necessary to be replaced to match the bleached teeth if the whitened teeth are lighter.

What if the bleaching agents comes into contact with my gums?

There may be moments when the bleaching agent comes into contact with the gums or other surrounding soft tissues in your mouth. It is important not to apply excess gel into the trays as it may ooze out and make contact with the tissues (ensure to wipe any excess with your finger or toothbrush once the tray is placed in your mouth). There is always a risk of chemical burning from the peroxide contact which may feel uncomfortable or become slightly white in appearance. You can use Vit-E cream and rub onto the burn for a few minutes which will neutralise the burn in 2 – 3 minutes and if it is still too uncomfortable, take a few days off for the tissues to heal. Chemical burns show in the form of erythema, acute chemical irritation, burning or mucosal sloughing. Our trays are trimmed around the gums whereas some trays may be ill-fitting and may cause excess gel to ooze in into the gumline. Next time, try to apply less amounts of the gel into the gel or even halve the treatment time and assess the gums again and gradually increase the time to the recommended treatment time over subsequent treatments. 

Can I overbleach my teeth?

Yes, a complete oxidation of all organic compounds will result in formation of CO2 and H2O, resulting in opacity without any further change in colour. If you have overbleached, use Tooth Mousse Plus to reverse the effect.

How can I tell if my teeth are getting whiter?

It is best to take before and after photos in the same setting with the same camera settings to minimise any changes in variables between photos

Can I keep getting whiter teeth if I continue using the gel?

You should discontinue the use of gel once the desired shade is achieved or when the natural shade is finally achieved. There will be a peak whiteness where whitening will not brighten the teeth by discolouring organic matter within the teeth anymore. The teeth will only discolour to their natural shade, many factors such as teeth wear over time will affect how white they can get. Prolong use than the instructed may damage the tooth structure.

Are DIY whitening methods safe?

There are many concerns surrounding the use of DIY methods which may cause harm to your teeth long-term. This may range from rubbing or placing acidic fruits onto your teeth or mixing bicarb soda with other products.

Is teeth whitening suitable for everyone?

It is not recommended for children under 16 years of age, women who are pregnant or breastfeeding, overly-sensitive teeth and medical conditions. Pregnant patients have higher gingival crevicular fluid which may inactivate peroxides but also as a precaution for the newborn even though there are no clinical studies on the general population. We advise to wait until after breast-feeding has ceased. We also do not recommend having a teeth whitening treatment if you have gum disease or are requiring dental work. Medical condition such as acatalasaemia, lichen planus or known resistant staining such as iron, tetretcycline, AH26/MTA or severely sensitive teeth is not recommended. The lichen planus may get worse during the whitening treatment.

How many treatments in each kit?

Each syringe should be enough for 3.5 – 4 treatments. Our teeth bleaching package should get 14-16 days worth of treatment and the touch-up kits should get 7-8 days worth of treatment. 

Do I need to see a dentist before whitening?

Yes, we advise treating any underlying problems such as gingivitis, gum disease, decay, leaking fillings or cracks in teeth. If you have untreated periapical lesions, bleaching may react with the anaerobic bacteria and can cause extreme discomfort and lead to other problems for that tooth. It is also ideal to remove any external staining and tartar which will compromise the teeth bleaching result. We can organise bundle deals to help you. The dentist will be able to help you understand the cause of your discolouration and whether teeth bleaching is the best way to address it.

My teeth doesn’t look as white after a few days.

Some whitening products cause the teeth to dehydrate which will appear lighter after whitening treatment and will often relapse a shade or two after 2 hours. If there is acid in the bleach then more relapse will occur after 2 days when the teeth are remineralised again. It is also important that the teeth are very porous 2-3 days after any whitening treatment and high coloured foods/drink and smoking should be managed or avoided.
NOTE: Tooth colour should stabilise after 2 weeks from the last bleaching treatment. Some products and companies may show you results immediately after treatment which may mask the actual shade due to temporary dehydration or demineralisation by many shades!

How long will it last?

Teeth whitening results are typically stable but will vary depending on diet and lifestyle factors. This could range from 6 months to 2 years or even longer. Smoking, coffee, tea, and all staining foods and beverages will eventually re-stain at the surface of your teeth. We recommend avoiding these in order to maintain the results of your whitening treatment. Even though the results can fade, often touch-ups can be done to lighten the teeth. Simply contact us with your details and we can discuss and organise more whitening gel to be sent.

Can I whiten my teeth with bracers or aligners?

we do not recommend whitening for braces as teeth, wire and brackets are always moving however we can discuss and assess your aligners for the possibility of using them.

How long should I avoid chromogenic foods, pigmented foods and drink and smoking?

We recommend avoiding high coloured foods, drinks, coloured toothpaste, coloured mouthwashes and smoking for 72 hours. If you do expose yourself to these, limit the contact and rinse out with water after or use a straw if necessary. If avoiding coffee and tea is too difficult, add milk. Immediately after whitening treatment, teeth have very porous reactive surfaces!

How do I maintain white teeth?

Maintaining high standard of oral hygiene and keeping external stains down, you can polish off with whitening toothpaste or decolourise with whitening strips, paint-ons, mouthwash or gels.
Whitening toothpaste are particularly good for tannins from beverages and pigmented foods

What is the difference between Hydrogen Peroxide (HP) and Carbamide Peroxide (CP)?

Carbamide % is equivalent to approximately 3x of Hydrogen Peroxide. HP generally acts faster whereas the Carbamide Peroxide breaks down slowly into Hydrogen Peroxide and urea and is generally a slower process. We use Carbamide Peroxide because of the stability.

Only 35% of the weight of CP is hydrogen peroxide; the remainder is ammonia and carbon dioxide.
Other peroxide compounds in tooth bleaching are sodium perborate and calcium peroxide and chlorine dioxide.

Should I get my teeth checked at the dentist before bleaching?

Yes, we recommend visiting a dentist to ensure no dental treatment is required it may compromise the bleaching process. Also getting your teeth cleaned to remove any tar and external staining would maximise the speed and be more successful.

How often can I get this done?

It is recommend to wait 4 months to retreat to reduce the risk of nerve damage and allow adequate time for relapse. Therefore no more than 3 times a year.

When should I bleach my teeth before an event?

Teeth bleaching takes roughly 5-6 weeks from the beginning to end to prepare the teeth for bleaching, to bleaching and then to stabilise the colour after whitening. This is important because you do not want to bleach your teeth only to see the relapse back to the original shade after a few days. We also recommend getting your teeth professionally cleaned to remove any staining, tartar and to imrpove your gum health which may obstruct or compromise the bleaching treatment.

What whitening products is best for me?

There are many whitening products available, this ranges from four categories: professional in-chair (in dental office); dental-prescribed/dispensed custom made trays; consumer-purchased/over-the-counter (toothpastes, mouthwashes, pen touch-ups, mouldable trays, and foam trays) and non-dental services (mall kiosks, salons, spas etc, not fully trained dental professionals and licensed dental professionals). Each have different modes of application and concentrations with varying quality and efficacy. Some product may not even contain peroxides and contain acidic ingredients with may also etch your teeth making them appear ‘white’. Bleaching teeth requires thorough education and training and with the lack of supervision may cause adverse long-term effects.

We provide dental health education and guide you through the process. We fabricate custom made trays to properly fit onto your teeth to reduce risks, reduce the risk of you selecting and using inferior products and inappropriate application procedures. Stock trays over the supermarket or pharmacy are generally inferior compared to custom made trays as they do are not moulded and sealed as well causing bleaching material to escape to the gum tissue and may cause sensitivity and burning of the gums.

Our trays can provide quite close long-term efficacy to professional in-office bleaching if used patiently and following instructions. Stock trays over the supermarket or pharmacy are generally inferior compared to custom made trays as they do are not moulded and sealed as well causing bleaching material to escape to the gum tissue and may cause sensitivity and burning of the gums.

What if I swallow the whitening gel?

If you swallow a bit of hydrogen peroxide, is most likely will be fine and your saliva will also break down the compound. However be careful not to induce too much and use it only as directed as swallowing large amounts can be harmful.

How long will my trays take to be made and shipping take?

 Once your tray fabrication has been made and shipped, it will take approximately 10 business days but it is normally much quicker. We try to ensure the parcel is secure when sent and will use Australia Post with signature upon delivery and a tracking number so you can see track the delivery.

Are over the counter teeth whitening kits any good?

We advise our patients to be wary of TV and pharmacy over the counter teeth whitening kits. Their strength is not the same as dental tooth whitening which can often lead to false claims and expectations about products that don’t work and can sometimes be dangerous for your teeth if not used correctly.


1234 Divi St. #1000
San Francisco, CA 29362


(346) 234-5675