Zoom Whitening
The Philips Zoom WhiteSpeed protocol — clinically the fastest path to a meaningfully brighter smile. Up to 8 shades whiter in one session.
The Thai word เลิศ (lert) means excellence — the finest of its kind, surpassing the ordinary. It is also the surname our founder carries: Dr. Wasit Lertwanich, DDS.
Two meanings, one standard — to do dental work the way it should be done, every time.







From subtle smile design to full-mouth restoration — every treatment is led by a specialist who lives in that field, using genuine materials sourced direct from the manufacturer.
The Philips Zoom WhiteSpeed protocol — clinically the fastest path to a meaningfully brighter smile. Up to 8 shades whiter in one session.
Hand-layered porcelain shells designed to harmonize with your face. Digital smile preview before any tooth is touched.
Genuine Swiss-engineered implants placed with 3D-CT guidance and surgical templates — full traceability, manufacturer warranty intact.
Authorized Invisalign provider. Treatment planned with 3D digital scanning and supervised by a certified specialist — identical aligners to the US.
The small things that add up to an English-speaking dental clinic in Chiang Mai that patients from 40+ countries return to.
The dentist who plans your case is the dentist who finishes it. Implants by an implant specialist, orthodontics by an orthodontist, veneers by a cosmetic dentist.
Genuine Straumann from Switzerland, Align Technology Invisalign, Philips Zoom — sourced direct from the manufacturer.
Cone-beam CT and intraoral scanning on every chair — implants placed with surgical guides, no putty impressions.
Preview your new smile on screen and refine it together — before a single tooth is touched.
Specialist dentists and front-desk staff fluent in English. Patients regularly join us from the US, UK, EU and Australia.
Written treatment plan with itemised costs — fixed before treatment begins. No upsell, no surprises.
A small dental office by design. Most days, you are the only patient in the room at the time of your visit.
1 Atsadathon Rd, just inside the moat — minutes from Wat Chedi Luang and the Sunday Walking Street.
Every instrument runs through ultrasonic cleaning, sealed pouches, and a Class B autoclave at 134°C — the same protocol used in surgical hospitals. Needles, suction tips and gloves are single-use; water lines disinfected daily.
Real people, real visits — captured in our Old City studio in Chiang Mai.















Best dental experience I've ever had. The whole team is warm and professional — Dr. Wasit explained every step of the veneer process clearly and the result is stunning. Worth flying in for.
Came for an Invisalign consult and ended up doing the full treatment plus whitening. The clinic is beautiful, calming, and the iTero scan turnaround was incredibly fast.
บรรยากาศคลินิคดีมาก คุณหมอใจดี อธิบายทุกขั้นตอนละเอียด เครื่องมือทันสมัย ทำ veneer ออกมาธรรมชาติมาก แนะนำเลยค่ะ
Two Straumann implants placed with surgical guides and finished beautifully. English-speaking team, very honest about what I actually needed. Better than my home dentist.
มาทำฟอกสีฟันกับ Zoom ผลลัพธ์ขาวขึ้นมากในครั้งเดียว ไม่เสียวฟันเลย คุณหมอน่ารัก ทีมงานน่ารัก คลินิคสวย จะกลับมาทำต่ออีกแน่นอนค่ะ
Flew in from Berlin for a complete smile makeover — 10 porcelain veneers in 5 days. The 3D smile preview was spot on, the result is exactly what we designed. Highest recommendation.
Reviews are verified by Google. We never edit or curate what patients write.
A selection of recent cases from our Chiang Mai studio — all photographed under the same studio lighting, all shared with patient permission.
A calm, light-filled clinic moments from Wat Chedi Luang and the Sunday Walking Street — Chiang Mai, Thailand.
Tell us what you'd like to change, and a specialist will reply personally — usually within a few hours.
Send us a few photos and tell us what you'd like to change. A specialist will reply personally — usually within a few hours. No charge, no obligation.