What you need to know
Teeth whitening treatment is one of the most common ways people brighten their smile today. Many individuals look for solutions that feel safe, effective, and suitable for their lifestyle. Alongside this, professional teeth brightening has become a preferred choice for those who want visible yet natural results. In this guide, we explore how whitening works, what options exist, and how to choose an approach that supports both your confidence and long-term oral health.

Types of teeth whitening treatment
In-office teeth whitening treatment
In-office whitening is often the fastest option. It usually takes about one hour and is performed by a trained professional. A high-concentration whitening gel is applied carefully while the gums are protected. Then, an LED light or laser activates the gel. As a result, most people notice a lighter shade immediately.
Additionally, because the process is guided by a clinician, it offers a controlled and predictable experience.
Take-home whitening kits
Take-home kits use lower-concentration gels. Although these kits take longer, they allow gradual brightening. Users apply the gel in custom or standard trays and wear them daily or overnight. With consistency, this method can deliver steady and natural-looking improvements.
Over-the-counter whitening products
Strips, paint-on gels, and generic trays are widely available. They are the most affordable choice; however, they often produce the least noticeable changes. Many people stop early due to slow or minimal results. Still, these products may be a practical starting point for mild surface staining.

Can teeth whitening treatment remove all stains?
Staining is common and happens for many reasons.
Extrinsic stains form on the surface of the teeth due to foods, drinks (like tea, coffee, and red wine), smoking, and daily wear. Teeth whitening treatment can usually improve these stains effectively.
Intrinsic stains, however, develop inside the tooth. These may come from trauma, certain medications, excessive fluoride exposure, or natural aging. Whitening treatments cannot fully lighten intrinsic discoloration. In these cases, cosmetic options such as veneers or bonding may be more suitable.
Expected results from teeth whitening treatment
Results vary from person to person. Some people see noticeable improvement with one treatment. Others need several sessions to reach their desired brightness. On average, whitening can lighten the teeth by two to seven shades, though some experience even more improvement.
It’s also helpful to remember that results settle over the first week. Teeth may continue whitening for up to 24 hours after an in-office session. Because each smile is unique, discussing expected shade changes with your clinician helps set clear and realistic goals.
Important considerations
- Fillings, crowns, and veneers do not whiten, and their color will remain the same.
- Recessed gums may expose the darker root surface, which whitening cannot change.
- For 48 hours after whitening, it’s best to avoid dark foods, drinks, and colored toothpaste because teeth can absorb pigments easily.
- Pregnant or breastfeeding individuals are usually advised to delay whitening for safety.

Solutions for long-lasting brightness
If you want results that stay brighter for longer, a routine approach can make a difference. Gentle polishing during dental cleanings, using non-abrasive whitening toothpaste, and limiting highly pigmented drinks all support maintenance. Furthermore, lifestyle habits—like reducing tobacco use—play a meaningful role in keeping stains away.
How Medix can support your teeth whitening journey
Once you explore your options and decide you want a safe, modern, and customised approach, Medix can help.
At Medix, whitening is performed using LED teeth whitening, a gentle and contemporary method that aims to brighten your smile without harsh sensitivity. Treatments are tailored to your enamel condition, your history of staining, and your comfort level. As a result, you receive a personalised plan that matches your goals and enhances your confidence.
Service reservation
Book a consultation today, and together we’ll create a personalised whitening plan that brightens your smile safely, protects your enamel, and helps you maintain naturally radiant teeth over time.
Contact Medix Clinic
For more information, feel free to contact us at 03 9686 0003. You can also visit our clinic at 1/367A Centre Road, Bentleigh, Victoria 3204. Click here to view our location on Google Maps.
About Medix Skincare and Laser Clinic in Melbourne
A brighter smile is not about perfection—it’s about feeling good, expressing confidence, and enjoying healthy oral habits. If you’re ready to learn what shade change is achievable for your teeth and how to maintain it, Medix is here to guide you with a customised approach.
Book a consultation today, and together we’ll design a whitening plan that suits your needs, protects your enamel, and helps you enjoy a naturally radiant smile over time.