Teeth whitening results typically last anywhere from six months to two years, depending on your lifestyle and oral hygiene habits. Consuming highly pigmented foods and drinks like coffee or red wine, as well as smoking, can cause your brightened smile to fade more quickly.

Yes, professional teeth whitening is considered completely safe when performed or prescribed by a qualified dental professional. While some temporary tooth sensitivity is common, the whitening agents used will not permanently damage your tooth enamel or gums.

No, traditional teeth whitening treatments are formulated to work exclusively on natural tooth enamel. If you have crowns, veneers, or composite fillings, their color will remain unchanged, which could lead to an uneven smile if your natural teeth become significantly lighter.

Most patients can expect their teeth to lighten by three to eight shades following a professional whitening treatment. However, your exact results will depend heavily on your starting shade, the underlying cause of your discoloration, and the specific whitening system used.

Yes, you can still safely whiten your teeth, but it is highly recommended that you consult your dentist beforehand. They can provide desensitizing treatments or recommend lower-concentration whitening gels to ensure the process remains comfortable for you.