Professional teeth whitening at Empower Dental uses clinically formulated peroxide gels at concentrations that are not available over the counter, delivering measurable shade improvement — typically four to eight shades on the VITA scale — in a controlled, supervised environment. Before any whitening is prescribed, the team assesses the cause of discolouration (intrinsic versus extrinsic staining), checks for active decay or gum disease that must be resolved first, and confirms that existing restorations such as crowns or veneers will not be affected. Take-home whitening trays are custom-fabricated from impressions of your teeth, ensuring the gel contacts the enamel evenly and minimises gum irritation. Results are typically stable for one to three years depending on dietary habits and home maintenance.
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Some patients experience temporary dentinal sensitivity during or after whitening, typically described as brief, sharp sensations to cold — this usually resolves within 24–48 hours of completing a whitening session. At Empower Dental, the gel concentration is selected based on your baseline sensitivity level, and a fluoride desensitising gel can be used in the trays between whitening sessions to manage sensitivity throughout the course of treatment.
The achievable shade depends on the nature of the staining and the baseline colour of your enamel — most patients with extrinsic staining from coffee, tea, or tobacco see four to eight shade improvements on the VITA scale, while intrinsic staining from antibiotics or developmental factors responds less predictably to peroxide whitening. Your dentist will give you a realistic shade target at the pre-whitening assessment rather than a blanket promise.
Peroxide whitening agents do not alter the colour of porcelain, ceramic, or composite resin restorations — only natural tooth enamel responds to bleaching. If you have crowns or veneers on visible front teeth, whitening the surrounding natural teeth could create a shade mismatch. Your Empower Dental dentist will map your existing restorations before recommending whitening and advise whether replacement of any restorations would be needed to achieve a uniform result.