TRAYLESS Whitening Technique Part 1 – with Dr Wyman Chan – PDP277

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What if the tray is the reason your whitening results are inconsistent?

Why would a dentist who owns a whitening lab — and holds four patents on making bleaching trays — tell you to skip the tray?

Trayless whitening does not mean strips. It means the patient puts in a retractor and paints the gel directly onto the teeth, twice a day, for half an hour. No impression, no lab bill, no two-week wait, and no soft plastic reservoir quietly absorbing your peroxide.

This is Part 1 of a two-part conversation with Dr Wyman Chan and Dr Elvis Law, recorded live in their central London whitening practice. Wyman has done nothing but whitening since 2002, has a PhD on the efficacy and safety of whitening processes, and — despite owning the lab that makes the trays — now does most of his cases without one. Elvis trained under him and reckons around 90% of his own cases are now trayless.

Part 1 is the mechanism, the protocol and an honest list of who it doesn’t suit. Part 2 takes it into the hard cases.

Protrusive Dental Pearl: Let the Patient Pick the Shade

Most of us ask “how white do you want to go?”, get a laugh about Hollywood white or Simon Cowell white, then hold a B1 tab against the canine and call that the destination. Try flipping it.

Under corrected light, record where the patient is now. Then hand over the whole shade guide, arranged by value, and let them choose the tab they want to reach. Photograph both.

This is the VITA Shade guide arranged by value:

B1 → A1 → B2 → D2 → A2 → C1 → C2 → D4 → A3 → D3 → B3 → A3.5 → B4 → C3 → A4 → C4

Two things change. You now know the target precisely instead of inferring it, and you can track progress against a fixed reference. Most patients land on B1 — it’s the last shade before the bleach range, and it reads natural rather than veneered. Some will point at 0M1 and that’s a different conversation, which is exactly the point.

Because whatever they choose dictates how many weeks, how much gel and how many reviews the case needs — and therefore what it should cost. A single flat whitening fee assumes every case takes the same work. They don’t. Someone starting at C4 who wants a bleach shade can get there, but it takes more gel, more time, more reviews and probably a protocol change along the way. Price that honestly.

Only you can decide what the tiers look like in your practice. But it might be worth sitting down as a team of dentists and therapists and asking: how are we delivering whitening? Two tiers? More? Based on what?

What You’ll Take From This Episode

• Conscious bleaching — why an awake patient with an open mouth is a completely different chemical situation to a sealed tray worn overnight, and what that does to sensitivity.
• The formulation constraint — peroxide needs acid to stay stable on the shelf, which is why pre-mixed products lean acidic and why two-component gels exist at all.
• The full trayless protocol — wear schedule, spacing, patient positioning, review intervals and what to troubleshoot first when a case is behind.
• Who it doesn’t suit — an honest contraindications list, including the one objection patients raise most often and the answer to it.
• Tray hygiene as a clinical instruction — the reason results vary so much between patients using the identical gel.
• An A3.5 to B1 case — start to finish in three weeks, with the review points and the maintenance plan.

Highlights of This Episode

• 00:00     TEASER
• 01:05     Trayless Teeth Whitening Explained
• 03:40     Protrusive Dental Pearl: Let Patients Pick Their Whitening Shade
• 06:05     Meet the Guests: A Career Built on Teeth Whitening
• 10:27     What Is Trayless Whitening? (It’s Not Whitening Strips)
• 13:44     Why Whitening Trays Waste Your Bleaching Gel
• 15:37     Are Whitening Strips Acidic? Gel Formulation Explained
• 19:17     Conscious Bleaching and Whitening Sensitivity
• 24:43     When NOT to Use Trayless Whitening
• 29:05     The Trayless Whitening Protocol: 30 Minutes Twice a Day
• 32:55     Midroll
• 42:45     How to Clean Whitening Trays Properly
• 50:02     A3.5 to B1 in Three Weeks: A Case Walkthrough
• 56:16     Tooth Porosity and the 45-Degree Recline Rule
• 1:02:09   Whitening Top-Ups and the Five-Year Guarantee
• 1:06:49   How to Price Teeth Whitening and Let Patients Pick the Shade
• 1:07:45   OUTRO
• 1:12:56   What’s Coming in Part 2

Start Offering Trayless Whitening for Your Office

UK Dentists:

In the UK you need the Get2Smile Kit which is 6% formulation applied twice daily for 30 minutes.

Head to directoralcare.com and register for a free professional account. Approval unlocks the full shop, pricing, offers and their upcoming educational courses.

At checkout, use code: DOCSUMMER20

The Trayless whitening system is called Get2Smile.

International Dentists wishing to offer Get2Smile, please enquire from Dr Chan’s website. The international version uses 10% formulation applied for 15 minutes, twice daily.

📌 Want to learn directly from Dr Wyman Chan? Join him for Redefining Early Caries Management and Aesthetic Dentistry in Shanghai, China, on 20–21 October 2026.

Saturday 5th September London, UK CPD EVENT:

Join Dr Wyman Chan for an exciting event focused on redefining the management of dental plaque-induced oral diseases.

📍 Royal Asiatic Society, London NW1 2HD

The session will include a live lecture, clinical demonstration, and the opportunity to take part in practical, hands-on training. Dr Wyman Chan will be joined by Dr Niki Shah and Dr Elvis Law, who will also showcase their clinical cases.

Want more?

If you enjoyed this episode, check out: MAGIC Teeth Whitening with Dr. Wyman Chan – PDP245 — Wyman’s first Protrusive episode, covering whitening myths, sensitivity, and whether in-office lights do anything at all.

Tags

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Listen, Subscribe, Earn CPD

Listen: Subscribe to the Protrusive Dental Podcast on Spotify, Apple Podcasts, or YouTube.

This episode is eligible for 1 CE credit via the quiz on Protrusive Guidance.

This episode meets GDC Outcomes C.

AGD Subject Code: 780 Esthetics/Cosmetic Dentistry.

Aim & Learning Outcomes

Aim: To give dental practitioners a mechanism-led understanding of external tooth whitening delivered without a tray — how gel containment and contact time influence sensitivity and efficiency, how formulation constrains the delivery method, and how to select, sequence and price a whitening case around the patient’s chosen target shade.

Learning Outcomes — by the end of this episode, dentists will be able to:

• Describe how containment and contact time influence bleaching sensitivity, gingival irritation and the proportion of active gel that reaches the tooth.
• Apply a structured protocol for tray-free external whitening, including wear scheduling, patient positioning, review intervals and technique troubleshooting.
• Differentiate between patients suited to tray-based and tray-free delivery, and justify a fee structure derived from the patient’s target shade rather than a flat rate.