Professional teeth whitening

Teeth whitening in Palo Alto, in-office ZOOM! or take-home

Dentist-supervised whitening tailored to your goals and sensitivity level: a one-visit ZOOM! session, custom take-home trays, or both, so you get a brighter smile without guessing.

382 five-star Google reviewsExam first, for enamel and gums
Dr. Christopher B. Wong smiling in the office atrium
A shade that looks like youNatural-looking goals and clear expectations, set together.
ZOOM! in-office
One visit, about 90 minutes
Take-home trays
Gradual, at your own pace
Results last
Often 12–24 months
Supervised by
Dr. Wong, after a quick exam

Clinically reviewed by Dr. Christopher B. Wong · Updated

Is it right for you?

Is whitening right for you?

Whitening works best when teeth and gums are healthy. We’ll confirm candidacy first and then recommend the safest plan to reach a natural shade goal.

Often a good fit if you have

  • Coffee, tea, red wine, or aging-related surface stains
  • A refresh before a big event or photos
  • Patients who want safer, more predictable results than store kits

We’ll plan around

  • Visible crowns, veneers, or bonding on front teeth (these don’t whiten)
  • Very deep internal discoloration where veneers may be a better match
  • Active decay or gum inflammation (we’ll treat this first)

If you have front‑tooth restorations and want a brighter look, we can discuss whitening first and then matching new restorations to the brighter shade.

The basics

How professional whitening works

Professional teeth whitening brightens natural enamel with dentist-supervised whitening gel. If your smile feels a little dull from coffee, tea, red wine, or natural aging, it’s one of the fastest ways to look refreshed.

We start with a quick evaluation to confirm whitening is a good fit. If there’s decay, worn enamel, or gum inflammation, we’ll address that first so whitening feels comfortable and lasts longer. Then you choose a one-visit ZOOM! session, custom take-home trays, or a combination of both.

Whitening brightens natural enamel. If you have visible restorations (like veneers, crowns, or bonding) we plan the sequence so your final shade looks even.

Whitening can help with

  • Yellowing from coffee/tea, wine, or aging
  • A brighter shade across natural enamel
  • Improving your smile before Invisalign or cosmetic finishing

Whitening can’t change

  • The color of crowns, veneers, or tooth‑colored fillings
  • Severe internal stains in every situation (we’ll discuss alternatives)
  • Uneven brightness if existing restorations are visible (planning helps)

ZOOM! in-office whitening

Brighter teeth in one visit

Our most popular option is professional in-office whitening with ZOOM!. In a single visit, we isolate the gums, apply professional whitening gel, and use controlled light activation to brighten efficiently, with safeguards that keep teeth healthy and sensitivity low.

  • Visible in one visit

    Up to eight shades brighter in a single 90-minute appointment, depending on your starting shade.

  • Minimized sensitivity

    Protective gel, desensitizing agents, and careful light settings keep you comfortable.

  • Even, natural results

    Customized shade goals brighten your smile without looking artificial.

Your ZOOM! visit, step by step

  1. 1

    Shade goal & exam

    Start of the visit

    We confirm your whitening goals, check for decay or cracks, and take shade photos so we can measure improvement.
  2. 2

    Prep & protection

    We isolate your lips and gums, then apply a protective gel to keep soft tissue safe.
  3. 3

    ZOOM! light sessions

    Three to four 15-minute cycles

    ZOOM! whitening gel with controlled light activation. If you’re prone to sensitivity, we can adjust concentration or timing.
  4. 4

    Fluoride & post-care

    Sensitivity care, a final shade check, and home care plus foods to avoid for the first 24–48 hours.

Tip: avoid coffee, tea, or red wine for 48 hours after treatment to lock in your shade.

Options

In-office ZOOM! or take-home trays?

Not sure which to choose? Many Palo Alto patients do a “boost + maintain” plan: an in‑office session for a quick jump in brightness, then take‑home trays a few times a year to maintain results.

ZOOM! in-office whitening compared with custom take-home trays
ZOOM! in-officeOne visitTake-home traysGradual
Best for
A noticeable change quickly, like before an event or photosA slower change, touch-ups, or teeth prone to sensitivity
How it works
Gums isolated, then professional gel with controlled light activationCustom-fit trays with professional gel and clear instructions
Time
One visit of about 90 minutesGradual, on your schedule at home
Comfort
Strength and timing tailored to reduce irritationPrecise fit keeps gel where it belongs
Upkeep
Pair with trays to maintainOccasional touch-ups without starting over

Sensitivity: what we do to minimize it

Some sensitivity is common after whitening, but comfort matters. We tailor your plan and share practical post-care so you can keep results without feeling “zingy.”

  • Start with an exam so whitening is safe for enamel and gums
  • Tailor gel strength and timing based on your sensitivity history
  • Use desensitizing steps and fluoride when helpful
  • Share a 24–48 hour post-care plan to reduce sensitivity triggers

Custom take-home trays, in detail

Great for a slower change, touch‑ups, or patients prone to sensitivity. Trays fit precisely, so gel stays where it belongs and results feel more predictable.

Want a simple maintenance plan? Ask about take‑home trays so you can do occasional touch‑ups without starting from scratch.

Keeping your results bright

Whitening lasts longest when your teeth are healthy and clean. Regular visits for dental cleanings in Palo Alto help remove surface stains and keep your shade stable. At home, brush twice daily, floss, and consider using a whitening toothpaste a few times per week. If you drink staining beverages, rinsing with water afterward can make a big difference.

Cost, insurance & payment

Whitening cost: what to expect

Whitening is personalized, so cost depends on your plan and goals. After your evaluation, we’ll explain options and provide a clear estimate before you start.

What affects your cost

  • Whether you choose in‑office whitening, take‑home trays, or both
  • How much staining and shade change you’re aiming for
  • Sensitivity considerations that affect strength and timing
  • Whether you have restorations that may need to be color-matched afterward
  • Insurance/FSA/HSA considerations (most whitening is cosmetic)
  • Have PPO insurance?

    We’re out-of-network, but most PPO plans still pay a share of your care here. Whitening is usually considered cosmetic, so many plans don’t cover it. Send us your plan and we’ll check your benefits and explain your portion before treatment.

  • No dental insurance?

    Ask about our in-house dental plan, which offers savings on preventive care and treatment.

  • Ways to pay

    We accept Visa, MasterCard, and FSA/HSA funds.

Patient reviews

What patients say

Reviews about care at our office; none of these mention whitening specifically.

All 382 Google reviews
  • “Dr. Wong's office is great! He is thorough, gentle, and always explains things clearly.”

    Jason JonesOn Dr. Wong
  • “Tremendous Doctor, listens well and very gentle and caring.”

    Tim SeniorOn Dr. Wong
  • “Dr Wong was amazing! The most gentle and attentive dentist I have ever!!!”

    JimmyOn Dr. Wong

Your care team

Who you’ll see

Dr. Christopher B. Wong

Dr. Christopher B. Wong

Dentist & practice owner

Dr. Wong checks your teeth and gums first, sets a shade goal with you, and plans strength and timing around your sensitivity so the result looks natural on you.

  • UOP Dugoni School of Dentistry, 2018
  • ADA, CDA, and SCCDS member
Meet Dr. Wong
  • Jamal, Registered Dental Assistant

    Jamal

    Registered Dental Assistant

    Chairside support and comfort

  • Rachel, Insurance Coordinator & Front-Desk Lead

    Rachel

    Insurance Coordinator & Front-Desk Lead

    Your guide to benefits and costs

  • Meet the whole team

Questions

Teeth whitening FAQs

Straight answers about safety, sensitivity, and how long results last.

Is professional teeth whitening safe?

Yes. We evaluate your teeth and gums first, then use dentist‑supervised whitening gel and controlled light or take‑home trays to brighten safely without harming enamel.

How long do whitening results last?

Most patients enjoy results for 12–24 months. The exact timeline depends on coffee/tea, red wine, tobacco, and how consistently you follow home care.

Will whitening make my teeth sensitive?

Mild sensitivity is common for a day or two. We tailor the strength and timing to your comfort and can recommend desensitizing toothpaste or in‑office fluoride.

What’s the difference between ZOOM whitening and store‑bought kits?

In‑office whitening uses higher‑quality gel and professional isolation, so you see a bigger change faster and with less risk of irritation. Store kits can help, but they’re less predictable.

Can crowns or veneers be whitened?

No. Whitening only changes natural enamel. If you have visible restorations, we’ll plan whitening first and then match new restorations to your brighter shade if needed.

Whitening patients visit our Cambridge Avenue office from Menlo Park, Stanford, Mountain View and Los Altos; see all the areas we serve.

Your next visit

Ready for a brighter smile?

We’ll help you choose the right whitening plan and reach a shade that looks natural on you. Request a visit online in about a minute, or call our Palo Alto office.