Teeth whitening

Teeth whitening is a procedure that lightens the color of teeth using special gels to achieve a brighter smile. The cost of teeth whitening depends on several factors, including the shade of your teeth and whether you have fillings.

teeth whitening

Excellence in every smile

Just as skin and hair come in a variety of colors, different shades of teeth are completely normal

Teeth whitening is a safe and effective dental procedure that removes discoloration and achieves a lighter tooth color, enhancing the smile’s aesthetics.

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How does teeth whitening work?

Teeth whitening is performed using a gel whose key ingredient is hydrogen peroxide. It is important to note that any form of whitening, whether professional or at-home, should be done under a dentist’s recommendation. Patients often have unrealistic expectations or overuse the treatment, which should be avoided.
  • What to expect from teeth whitening?

    Teeth whitening does not produce a uniform color but lightens the natural shade of the teeth by several tones. Discolorations will not disappear completely but will become lighter. White spots on the teeth may become more pronounced, which is especially important for patients with developmental changes in their permanent teeth.
  • When are the results of teeth whitening visible?

    Results are usually most noticeable about two weeks after the procedure. It’s important to note that whitening does not affect fillings, as they cannot be whitened. It also does not change the color of ceramic crowns or dental bridges. After whitening, old fillings should be replaced with new ones to match the new tooth color.
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Professional teeth whitening

Teeth whitening involves several stages:

PREPARATION — including removal of tartar, polishing, and replacement of inadequate fillings.

IN-OFFICE WHITENING — performed 2 to 3 times for 15 minutes each session at the dental clinic. The total treatment time lasts between 45 and 60 minutes.

AT-HOME WHITENING — using custom trays and gel applied for several hours daily, or overnight, as it is less aggressive. This continues until the gel runs out or for about 1 to 2 weeks, following the dentist’s instructions.

For whitening, we use Opalescence Boost by Ultradent, a leading company in this field. You can see our whitening results in the before and after teeth whitening gallery.

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Tips for successful teeth whitening

  • A thorough teeth cleaning is necessary

    A thorough teeth cleaning, including tartar removal and polishing, is the first step in the teeth whitening process.
  • Repair all fillings

    To prevent the whitening gel from coming into contact with any healthy tooth tissue other than the enamel, all defective fillings—those that are chipped or do not seal properly with the natural tooth—need to be replaced.
  • Diet after teeth whitening

    It is important to avoid consuming colored drinks such as tea, coffee, red wine, cola, and colored juices like blueberry, cranberry, or cherry after teeth whitening. Smoking is also prohibited for at least three weeks, since the color stabilization process continues for 2 to 3 weeks following the whitening treatment.

Why choose Centrodent for teeth whitening?

In the age of social media, many patients have unrealistic expectations about teeth whitening. At Centrodent, we provide thorough information before the procedure, ensuring you understand the process before we begin treatment. 
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  • We are transparent

    We do not perform teeth whitening on patients who are not suitable candidates and openly inform them about what they can realistically expect from the treatment.
  • Our priority is the health of your teeth

    We don’t whiten teeth to the shade you want, but to the shade your teeth can safely tolerate.
  • Patient awareness

    We believe in keeping our patients well-informed by explaining all potential side effects and consequences of the treatment, as well as setting realistic expectations for what whitening can achieve. Our goal is for you to have accurate expectations after the procedure.

Procedure description

Before teeth whitening, a dental examination is necessary, along with thorough tartar removal and tooth polishing. If you have fillings, it’s important to know that they cannot be whitened. After whitening, existing fillings will need to be replaced to match the new tooth color.

Opalescence™ Boost™ is a teeth whitening gel containing 40% hydrogen peroxide with a neutral pH. This ensures maximum effectiveness and safety for the teeth. Two to three applications of the gel, each lasting 15 minutes, is the maximum number allowed during a single visit.

Common questions about teeth whitening

At-home teeth whitening may seem like a simple and affordable option, but such treatments often carry risks for the health of your teeth and gums.

Without a prior dental examination, it is difficult to assess whether your teeth and gums are in a condition that allows safe whitening.

Before any whitening procedure, teeth must be thoroughly cleaned of tartar and polished to achieve even results. This can only be done by a dentist.

At-home whitening products often contain harsh chemicals that can damage enamel, increase tooth sensitivity, and irritate the gums. Additionally, fillings, crowns, and other dental restorations do not change color during whitening, which may result in uneven color and an unattractive smile.

For these reasons, we recommend professional teeth whitening under dental supervision, which is safe, controlled, and provides the best results.

All professional teeth whitening methods are based on using gels containing hydrogen peroxide, a well-known ingredient effective at removing discoloration.

The difference between whitening methods lies in how the hydrogen peroxide is activated to maximize its effectiveness.

There are three main activation methods:

  • Zoom lamp — the gel is activated with a light lamp

  • Laser — the gel is activated with a laser

  • Active oxygen — this method mixes gel containing hydrogen peroxide from one syringe with active oxygen from another syringe, creating a powerful whitening effect without additional devices

All three methods are safe, proven, and provide long-lasting results when performed under a dentist’s supervision.

The cost of teeth whitening depends on several factors, including the condition of your teeth before the procedure and any necessary preparatory treatments.

In addition to the whitening treatment itself, costs may include a follow-up examination, panoramic X-ray, deep tartar cleaning, and tooth polishing.

If old fillings need to be replaced to achieve an even tooth color after whitening, the price will be adjusted accordingly.

For these reasons, the final cost is individual and determined after an examination and treatment plan.

The price for teeth whitening alone, without additional treatments, is 260€ per jaw.

For an accurate cost estimate, we recommend a consultation with a dentist, where you will receive information tailored to your specific needs.

Teeth whitening should never be done on your own at home. Without a prior clinical examination and professional preparation, you risk damaging your teeth and gums.

Before any whitening procedure, cavities must be treated, inadequate fillings replaced, and deposits removed that often cause tooth discoloration on their own.

Only after this, and under professional supervision, can whitening be considered. Otherwise, not only may the treatment be ineffective, but it can also cause sensitivity, irritation, or enamel damage.

If you’re thinking about whitening your teeth, the first step is always a dental examination and professional cleaning. Everything else is an unnecessary risk.

What our patients say about us

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stomatolog u Rijeci preporuke

Vera O.

81, Rijeka
I am truly grateful and impressed with the care and professionalism I received. Even at my age, I learned so much from you. I’ve never felt this satisfied after a dental visit, and I wholeheartedly recommend others to come and see the quality of your work for themselves.
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Tilda

49, Kastav
I have periodontitis, and scaling has always been painful for me in the past. Here, I didn’t shed a single tear. The dentist was amazing - I would recommend her without hesitation.
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Vanja L.

61, Kastav
A big thank you to the entire Centrodent team for their kindness and professional care. Special thanks to Dr Željka Miculinić, who always manages to ease the discomfort (and fear) of going to the dentist, and for her patience with a demanding patient. Warm regards to the whole team.
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Vesna Š.

53, Rijeka
The staff is kind, and the dentist has the ability to solve the unsolvable in order to save and restore teeth.

Excellence in every smile

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