Typically one to three years, depending on your diet and habits. Coffee, red wine, and tobacco are the biggest factors in re-staining. The good news: once you have professional trays, touch-ups only require a refill kit — not a full retreatment.

The preparation visit uses local anesthesia, so you don't feel the enamel reduction while it's happening. Some patients notice mild temperature sensitivity for a few days afterward, which typically resolves on its own. The bonding appointment is straightforward and usually comfortable without anesthesia.

We'll evaluate your specific situation. Dental restorations — crowns, veneers, bonding, tooth-colored fillings — do not respond to whitening agents. If you have restorations in visible areas, we sequence the treatment to avoid a mismatch: whitening first, then replacing visible restorations to match your new shade if needed.

Start with a smile consultation. Dr. Kim will look at your teeth, discuss what's bothering you, and walk through your options — conservative first, more involved only if necessary. There's no pressure and no obligation. Cosmetic treatment works best when the patient understands exactly what they're getting and why.

Yes. All cosmetic services — whitening, veneers, bonding, smile makeovers — are available at both the Anaheim and Los Angeles (Koreatown) offices. Dr. Kim sees patients at both locations and handles the full scope of treatment himself.