As Australia’s local Dentist, Pacific Smiles Dental has over 110 centres to allow convenient access to the dental services you need.
Published on November 10, 2026.
Last reviewed on November 10, 2026
by Dr Ren Sun.
There’s something about this time of year. The days stretch out, the calendar fills up with end-of-year dinners, holidays and catch-ups, and suddenly you’re thinking about how you want to show up for all of it.
You’ve got the outfit sorted. The hair appointment is booked. But what about your smile?
Professional teeth whitening is one of the simplest ways to feel a little more polished heading into summer. It’s not about fixing anything. It’s about walking into the season feeling like the best version of yourself.
Why do teeth lose their brightness?
Even with great brushing habits, teeth naturally pick up stains over time. The general rule is that anything that can stain a teacup can stain your enamel. Tea, coffee, red wine, soy sauce and curries are all common culprits, and smoking is another factor.
Acidic foods can also play a role by eroding tooth enamel over time, making it easier for dark pigments to adhere to the tooth’s surface.
Beyond everyday staining, there are other reasons teeth can lose their brightness. Sometimes discolouration comes from within the tooth itself, where the inner structure, known as the dentine, can be affected by certain medications such as antibiotics. Genetics, increasing age, tooth damage and illness can all contribute as well.
It’s also worth noting that dental crowns, veneers or fillings won’t change colour with any whitening process.
The good news is that professional whitening can work with most types of external staining to restore a brighter, more even appearance. Results will vary from person to person, as every smile is different, but most patients notice a visible improvement.
What does professional teeth whitening involve?
If you’ve never had your teeth whitened professionally, you might be surprised at how straightforward the process is.
Your Pacific Smiles Dental dentist will start by checking that your teeth and gums are healthy and that whitening is a suitable option for you. This is an important first step, as whitening isn’t right for everyone, and your dentist can talk you through what to realistically expect based on your individual situation. For example, regular professional cleaning can remove the surface stains, but whitening lightens the tooth itself for the internal staining. Some grey stains don’t respond as well to whitening, so your dentist will create a personalised plan for your smile.
Whitening may also not be right option for people who are pregnant, under 18 or who have untreated decay or gum issues. Results can also fade over time.
From there, there are two main approaches your dentist may recommend.
At-home whitening
This is the most common method and a gentler approach that works well for many patients. Your dentist takes moulds of your teeth to create custom-fitted trays, which you then use at home to hold a lower concentration hydrogen peroxide whitening gel against the tooth surfaces. The trays are generally worn as directed by your dentist, and it typically takes two to three weeks to achieve the desired result. Because the concentration is lower, this method can also reduce the risk of sensitivity.
In-office whitening
For those who want faster initial results, in-office whitening is carried out in the dental chair using a higher concentration hydrogen peroxide gel, sometimes with a special light. Treatment usually takes 60 to 90 minutes and gives a kick-start to the whitening process. For longer lasting results, your dentist may recommend following up with at-home whitening trays.
Your dentist will help you decide which approach suits your teeth, your goals and your lifestyle. Think of it as one more feel-good appointment in your summer prep lineup, right alongside the hairdresser.
Professional whitening vs. Over-the-counter products
With so many whitening products on the shelf these days, it’s natural to wonder whether a professional treatment is worth it.
The key difference comes down to personalisation and safety. Over-the-counter strips and kits use a one-size-fits-all approach, which can sometimes lead to uneven results or sensitivity if they’re not quite right for your teeth.
Professional whitening is tailored to you. Your dentist assesses your oral health first, ensures the treatment is appropriate, and monitors the process so your teeth and gums are looked after every step of the way. If sensitivity is a concern, your dentist can adjust the approach to keep you comfortable.
Does teeth whitening cause sensitivity?
Teeth whitening doesn’t typically hurt, but it can cause teeth to feel a little sensitive for a couple of days after treatment is completed. This is normal and usually passes quickly.
If you’re prone to sensitivity, there are a few things that can help. Using a sensitive toothpaste for a week or so before and after your whitening treatment is a good idea, and you may want to avoid very hot and cold foods and beverages for a short time afterwards. As always, brushing twice a day and flossing daily will help keep everything in good shape.
Tips to make your whitening results last
Once you’ve brightened your smile, a few simple habits can help you hold onto the results for longer.
Try to avoid staining drinks for a few days after whitening, or use a straw when you do. Rinsing your mouth with water after drinking tea or coffee can also help reduce staining over time. And switching to a whitening toothpaste for your regular brushing routine is an easy way to maintain your results between professional treatments.
Your dentist can also give your teeth a professional clean to help remove surface stains, which is a great way to keep things looking fresh at your regular check-ups.
Is teeth whitening safe?
When carried out by a qualified dental professional, teeth whitening is a well-established cosmetic dental treatment. Your dentist will make sure your teeth and gums are in good shape before starting and will talk you through any potential side effects so you know exactly what to expect.
As with any cosmetic dental procedure, results and experiences can vary between individuals. Your dentist will give you an honest picture of what whitening can achieve for your smile specifically.
Heading Into Summer with Confidence
There’s no better time to invest in your smile than right now. With the festive season, summer holidays and plenty of photo opportunities just around the corner, a brighter smile can be the finishing touch that ties it all together.
It’s one of those small things that can make a surprisingly big difference to how you feel when you catch your reflection or smile for the camera. No major commitment, no downtime, just a little boost to carry you through the busiest and most social time of the year.
Book Your Whitening Consultation Online
Getting started is easy. All Pacific Smiles Dental clinics, now offer online booking for whitening consultations.
Simply choose your nearest clinic, pick a time that works for you, and book your appointment online. Your dentist will take it from there, walking you through your options and helping you find the right approach for your smile.
Summer is almost here. Why not make sure your smile is ready for it?
Book your whitening consultation online today
