At Manor Lodge Dental Practice in Edgware, we offer two professional whitening systems: Enlighten Evolution and Opalescence. Both deliver results that far exceed anything available over the counter, but they work differently and suit different patients. Here is a clear guide to help you understand which might be the better choice for you.
Why Professional Whitening Produces Better Results
Over-the-counter whitening products, including strips and supermarket kits, are limited by regulation to very low concentrations of active whitening agent. Professional systems prescribed and monitored by a dentist use higher-strength formulas and custom-fitted trays designed to keep the gel in precise contact with your enamel. The result is more consistent, more controlled and more significant.
At Manor Lodge, both Enlighten and Opalescence are provided as part of a managed treatment plan, beginning with an assessment of your teeth to confirm suitability and discuss realistic expectations.
What Is Enlighten Whitening?
Enlighten Evolution is a two-phase whitening system that combines a course of home whitening using custom trays with a final in-clinic appointment. It is one of the few systems clinically evidenced to reach a B1 shade, which is considered the lightest naturally occurring tooth shade.
The home phase typically takes around two weeks, during which you wear your trays overnight using the Enlighten gel supplied. The in-clinic session then completes and consolidates the result. Enlighten is particularly well regarded for the depth and consistency of result it produces, especially on teeth that have been resistant to whitening in the past.
It also incorporates desensitising technology throughout the process, making it a well-tolerated option for patients with sensitivity concerns.

What Is Opalescence Whitening?
Opalescence is a highly flexible, professional take-home whitening system available in a range of gel concentrations and formulations. It uses custom-made trays in the same way as Enlighten, but offers more flexibility in terms of how and when the gel is worn.
Lower-concentration formulas can be worn overnight, while higher-concentration options are designed for shorter daily wear of one to two hours. This makes Opalescence a versatile choice for patients with different lifestyles and preferences.
Opalescence gel contains potassium nitrate and fluoride, which help to maintain sensitivity levels and protect enamel throughout the whitening process. The system is well established and has a long track record of clinical results.
Enlighten vs Opalescence: Which Produces Better Results?
Both systems produce excellent results for the right patient, and the comparison is not straightforward because they are designed with slightly different goals.
- Enlighten: is the stronger choice for patients seeking the most significant colour change possible, particularly those aiming for a B1 shade. The dual-phase approach and in-clinic session tend to produce deeper, more uniform results.
- Opalescence: is a highly effective system in its own right, offering flexibility in how treatment is structured. It is particularly well suited to patients who prefer to whiten gradually at home on their own schedule.
Your dentist will assess your teeth, discuss your goals and recommend which system is likely to achieve the result you are looking for.
How Long Do Results Last?
With both systems, results can last anywhere from several months to a few years, depending on diet, lifestyle and how well you maintain your teeth after treatment. Both Enlighten and Opalescence involve custom trays that you keep, meaning Top-ups are straightforward and do not require a new course of treatment each time. Rinsing with water after staining food and drinks, and keeping up with professional cleaning, are simple habits that help preserve your result between top-up sessions.
Avoiding heavily pigmented foods and drinks in the days following treatment, and keeping up with regular hygiene appointments helps to extend the life of your result.
Who Is Not Suitable for Teeth Whitening?
Whitening gel works on natural tooth enamel only. It does not change the colour of crowns, veneers, bridges or composite bonding. If you have restorations visible in your smile, your dentist will discuss the implications before recommending treatment.
Whitening is not recommended during pregnancy or breastfeeding and is not suitable for children under 18. Patients with active decay or gum disease will need these concerns addressed before whitening begins.
Professional Teeth Whitening in Edgware
At Manor Lodge Dental Practice, we offer both Enlighten and Opalescence as part of a fully managed whitening programme. Every treatment begins with a detailed assessment to confirm suitability, discuss your expectations and recommend the system best suited to your teeth and your goals.
We welcome patients from Edgware, Stanmore, Mill Hill, Burnt Oak and the surrounding areas of North London.