Teeth whitening is a widely sought-after cosmetic dental treatment intended to lighten discolored enamel with bleaching substances such as hydrogen peroxide or carbamide peroxide. Discolouration often results from ageing, dietary choices like coffee or red wine, and habits such as tobacco use. These changes may impact both appearance and self-esteem aspects, making whitening a popular option for those looking to restore a cleaner, whiter look.

With several treatment options available ranging from professional in-office procedures to over-the-counter kits, choosing the right method depends on your desired outcome, budget, and level of sensitivity. In this blog, we’ll break down the most widely used teeth whitening treatments to help you decide which treatment best fits your needs and lifestyle.

In-Office Whitening

In-office whitening, often referred to as laser or LED-accelerated whitening, is performed under controlled clinical conditions by an expert dentist. Here is a overview of all the information you need to have about in-office treatment:

Procedure and Mechanism:
The procedure begins with the application of a high-concentration peroxide gel (typically 35–40% hydrogen peroxide) directly on the teeth. The dentist first uses a shade guide to document the existing tooth shade. Next, the patient’s gums and soft tissues are protected using rubber dams or other isolation techniques. A specialized light source (laser or LED) is then directed at the teeth. The light triggers the bleaching agent, accelerating the chemical reaction that breaks down pigmented molecules in the tooth structure.

Effectiveness and Duration:
Patients usually notice a significant difference in tooth brightness after a single session, with results showing several shades of improvement after multiple sessions. A session typically lasts about one hour, although multiple sessions may be required for severe discoloration.

Cost Considerations:
The overall cost for in-office whitening varies depending on the specific technique and the number of sessions required. In many regions, particularly in the United Kingdom, treatment prices typically range from £500 to £1000.

Safety and Professional Supervision:
Due to the high concentration of the bleaching agent used, professional supervision is critical. The dentist not only ensures that the procedure is performed safely but also minimizes risks such as gum irritation or tooth sensitivity. Patients with dental restorations may not experience uniform results.

At-Home Whitening

At-home whitening methods offer a more gradual improvement in tooth color and are generally more cost-effective. However, patients should always seek advice from a dental professional before beginning any at-home regimen to ensure safety and effectiveness.

Coconut Oil Pulling:
Coconut oil pulling is based on traditional Ayurvedic practices. This method involves swishing approximately one tablespoon of edible coconut oil in the mouth for 15–20 minutes, then spitting it out. While it may have benefits in reducing bacteria, fresh breath improvement, and aiding in gum health, the evidence for significant tooth whitening is limited. Its impact is gradual and subtle.

Baking Soda:
Baking soda (sodium bicarbonate) is a mild abrasive that can help remove superficial stains by physically scrubbing the tooth surface. A typical recommendation is to mix one teaspoon of baking soda with a few drops of water to form a paste and gently brush for about two minutes before rinsing. Overuse, however, can lead to enamel erosion, so it is essential to use it sparingly.

Hydrogen Peroxide:
Low-concentration hydrogen peroxide (typically 3%) is another at-home option that provides a chemical bleaching effect. It can be used alone or combined with baking soda to create a paste. When used correctly, typically once or twice a week this method can address both surface and slightly deeper stains. It is important to avoid prolonged or frequent use to prevent irritation or enamel damage.

    Over-the-Counter (OTC) Products

    Over-the-counter teeth whitening products provide a convenient way to brighten your smile at home without the need for professional treatment. These products come in various forms strips, toothpastes, and gel trays each targeting surface stains and discoloration in different ways.


    Whitening Strips
    These thin, flexible strips are coated with a peroxide gel and intended for at-home use. Apply them daily for 1-2 weeks. While generally safe, they may cause temporary tooth sensitivity or slight gum irritation in some cases. After use, rinse your mouth and avoid brushing for at least 30 minutes to protect your enamel.

    Whitening Toothpaste
    Whitening toothpaste usually has mild abrasives such as silica or calcium carbonate, and may also include small amounts of bleaching agents. They can help remove surface stains from beverages like coffee, tea, or wine but do not change the natural color of the teeth.

    Whitening Gels with Trays
    Over-the-counter whitening trays involve applying a peroxide-based gel inside a flexible tray that fits over the teeth. Depending on the product instructions, these trays are worn for several hours daily or overnight. Custom-fitted trays provided by a dentist are generally recommended to minimize the risk of gum irritation and uneven whitening.

    Conclusion

    Choosing the right teeth whitening solution depends on your goals, oral health, and sensitivity levels. While at-home and over-the-counter options may offer convenience, professional treatments provide more consistent and controlled results. If you are unsure of what would work best for you, at Warwick Lodge Dental, we’re here to help you find the whitening option that best fits your needs. To explore your options or to start treatment, contact our clinic for a consultation.

    Teeth Whitening FAQS

    Is teeth whitening painful?
    Teeth whitening is generally not painful, but some people may experience temporary sensitivity during or after treatment.

    Can teeth whitening damage gums?
    Yes, if the whitening gel comes into contact with the gums, it can cause irritation or mild chemical burns. Proper application prevents this risk.

    What can I eat after teeth whitening?
    Stick to white or non-staining foods for 24–48 hours, such as chicken, rice, potatoes, and dairy. Avoid coffee, tea, red wine, and colored sauces.

    How long does teeth whitening last?
    The results usually last between 6 months to 2 years, depending on diet, oral hygiene, and lifestyle habits such as smoking.

    Will teeth whitening make my teeth sensitive?
    Yes, temporary sensitivity is common, particularly when using peroxide-based products. It usually subsides within a few days.