Smile Signature
A Bangkok dental chain from the group behind BIDC, with five branches beside the BTS and MRT and a full published price list
Independently assessed by Bea Siriwat
Last reviewed 12 October 2026 · How we evaluate
Smile Signature has been treating patients in Bangkok for more than 20 years and is run by Dental Corporation Public Company Limited, the Stock Exchange of Thailand listed group that also owns Bangkok International Dental Center. Its branches are smaller, mall and office-building clinics next to train stations, with a shared team of visiting specialists, an ISO 9001 quality system and one of the most detailed published price lists of any Bangkok dental chain.
At a Glance
Our Assessment of Smile Signature
Smile Signature suits patients who want the backing of a large, listed dental group and clear prices, without paying for a hospital-style building. The fee list is published in detail, the branches are easy to reach by train, and the specialist team includes implant surgeons and orthodontists who also work within the wider group. For routine and moderately complex work, such as crowns, veneers, whitening, single implants or clear aligners, it is a practical, transparent choice.
The trade-offs come with the clinic format. Branches are compact, specialists rotate between sites and are not in every branch every day, so you need to book ahead and plan around their schedules. Fluent English-speaking staff are concentrated at the Sukhumvit and Siam Square branches. It is not accredited by JCI, and for anxious patients who need sedation the clinic refers to a partner dental hospital, BIDH.
For a first-time dental tourist with a straightforward treatment plan and a fixed budget, Smile Signature is a sensible middle ground between a small neighbourhood clinic and a premium dental centre.
Who Smile Signature Is Best For
In one sentence, Smile Signature is the right choice for routine and moderate cases on a clear budget who accept mid-range tier pricing. The lists below tell you whether that is you.
A strong fit if you
- Patients who want published prices before they travel
- Crowns, veneers, whitening, single implants and clear aligners
- Visitors staying on the Sukhumvit or Siam side of Bangkok who want a clinic beside the BTS
- Patients who want a clinic backed by a large, listed dental group
Look elsewhere if you
- Full-mouth implant cases or patients who need sedation, which suit a larger dental hospital
- Walk-in patients, as specialists are not at every branch every day
- Patients who require JCI accreditation
Not sure which side you fall on? Describe your case to the care team and we will tell you straight.
Accreditations, Verified
Smile Signature is a licensed private dental clinic chain rather than a hospital, and it does not hold JCI accreditation. The clinic states that all of its branches operate an ISO 9001:2015 quality management system. We list only what the clinic publishes, and we could not check its dentists against the Thai Dental Council's online register.
ISO 9001:2015
Quality management system. The clinic states that all of its branches are certified to ISO 9001:2015. The certifying body is not named on its website and we could not find an entry in a certification body register, so this rests on the clinic's own statement.
See the sourceWhere the issuing body publishes a public register, the badge links straight to it; otherwise it links to the hospital's own published record. Our full source list is below.
Notable Dentists at Smile Signature
Smile Signature publishes a long list of its dentists with their training. These are several of the specialists named on its dentist directory. Specialists work across branches, so ask which branch and day your dentist will be available.
Assist. Prof. Dr Boworn Klongnoi
Oral & Maxillofacial Surgeon & Implant Dentist. DDS (Chulalongkorn University), MD (Ramathibodi). Dr med and Dr med dent from Friedrich-Alexander University, Germany. German and Thai board certification in oral and maxillofacial surgery.
View their profile in the hospital's directoryAssoc. Prof. Dr Prakan Thanasrisuebwong
Oral Surgeon & Implant Dentist. DDS (Mahidol University), MSc in Implant Dentistry, implant fellowship at UCLA and PhD in Oral Biology. Associate Professor at Mahidol University.
View their profile in the hospital's directoryDr Chutima Kositpantavong
Prosthodontist. DDS (Prince of Songkla University). MSc in Prosthodontics (Chulalongkorn University).
View their profile in the hospital's directoryDr Akkharit Suwansumate
Orthodontist. DDS (Mahidol University). MClinDent in Orthodontics (University College London).
View their profile in the hospital's directoryCredentials are listed as published facts, not endorsements. Your quote names your surgeon, so you can verify their registration before committing to anything. Roster checked against the hospital's own doctor directory on 12 October 2026.
Treatments Offered
Smile Signature covers the main treatments international patients travel for, with specialists listed in each field. The links below point to the matching procedure guides on our site.
What Smile Signature Costs
Smile Signature publishes its fees in Thai baht, which is unusual and helpful. Prices sit above small neighbourhood clinics but below Bangkok's premium dental centres. The published list was valid until 31 October 2026 when we checked, prices can change without notice, and parts of the fee page show older figures that differ, so confirm your quote in writing. Implant prices exclude bone grafting, X-rays, extractions and temporary teeth, and a 100 baht sterilisation fee applies per visit.
Smile Signature's itemised price for your procedure, plus two alternative hospitals worth comparing. Free, no obligation, reply within 24 hours.
Get a Free QuotePaying for treatment
International Patient Services at Smile Signature
Smile Signature has an international patient service, mainly through its Sukhumvit and Siam Square branches. The details below come from the clinic's own pages.
Language Support
Fluent English-speaking dentists and customer care staff at the Sukhumvit and Siam Square branches.
Online Treatment Plan
Send photos and any X-rays by email, WhatsApp or the online form for a draft treatment plan with fees and a timeline. The clinic aims to reply within three working days.
Hotel Rates
Corporate rates with nearby hotels, including hotels within walking distance of the Sukhumvit and Siam Square branches.
Same Prices for Everyone
The clinic says it does not charge international patients more than Thai patients, and lists no hidden fees beyond a small sterilisation charge per visit.
If something goes wrong after you fly home
Smile Signature provides a post-operative care plan before you leave, and follow-up communication with your surgical team can be arranged through its international patient office.
As your coordinator we stay in the loop after you land. If a concern comes up we help you reach your surgeon, get records to a local doctor, and understand what the hospital will and will not cover. We tell you this before you book, not after.
How Booking Works at Smile Signature
- Email [email protected], use the online enquiry form or WhatsApp +66 91 002 2288 with your concerns, photos and any recent X-rays
- Receive a draft treatment plan with fees and a timeline, usually within three working days
- Share your travel dates so the clinic can book the right specialist at the right branch
- Attend a free consultation and examination on arrival to confirm the plan
When you enquire through us, our care team handles these steps with the hospital on your behalf and confirms everything back to you before you commit to anything.
About Smile Signature
Smile Signature is a chain of dental clinics in Bangkok that says it has been operating for more than 20 years. It is run by Dental Corporation Public Company Limited, which is listed on the Stock Exchange of Thailand and also operates Bangkok International Dental Center (BIDC). Several of Smile Signature's implant surgeons also appear on BIDC's specialist team.
The chain has five Smile Signature branches in Bangkok: Ratchada, its head office inside The Wiz Ratchada beside MRT Ratchadaphisek; Sukhumvit, on the second floor of the Dee Quarters building between BTS Nana and BTS Asok; Siam Square, in the Siamscape building near BTS Siam and National Stadium; Srinakarin, in Seacon Square; and Ratchayothin. Partner clinics under the Dental Planet name operate in Phahonyothin, Ramintra, Rangsit and Bang Yai, and its Phuket partner is Phuket Dental Signature in Patong, which is a separate clinic.
The clinic states that all branches work to an ISO 9001:2015 quality management system. Its dentist directory lists specialists in implant dentistry, oral and maxillofacial surgery, prosthodontics, orthodontics, endodontics, periodontics and restorative dentistry, alongside general dentists, and it uses an in-house laboratory for crowns, veneers and bridges. Consultations and check-ups are free, and the clinic publishes a fee list covering most treatments.
Facilities & Technology
Location & Getting There
Common Questions About Smile Signature
What patients typically want to know before choosing this hospital
How We Evaluated Smile Signature
Our hospital profiles are independently researched by our editorial team. No clinic can pay to be listed here, ranked higher or reviewed favourably. Here is what we assessed for Smile Signature. Our checks are desk-based, verified against the issuing bodies' registers and the hospital's own published materials rather than a hospital-arranged visit. Read the full methodology.
We confirmed each accreditation directly with the issuing bodies and against published records, rather than relying on marketing claims, so the badges you see are real.
We checked the qualifications of the clinicians who would treat you and the depth of the specialist teams, technology and inpatient support standing behind them.
We assessed whether there is a genuine international patient service — multilingual staff, visa help and structured coordination — rather than just a translated website.
We looked for documented care plans, follow-up scheduling and clear channels, so you can still reach your care team once you have flown home.
We evaluated whether estimates are itemised and given in writing upfront, covering treatment, stay and follow-up, rather than arriving as one opaque figure.
We reviewed patient reports across multiple independent sources, looking for consistent themes in satisfaction, complaints and treatment outcomes.
How we make money
Hospitals cannot pay for placement, ranking or a favourable review anywhere on this site. We earn a coordination fee from the hospital only when you choose to book through us, and it never changes your price. That conflict is why we publish our evaluation criteria and sources on every profile, and link accreditations to the issuing bodies.
If you believe any information on this profile is inaccurate or outdated, please contact our editorial team and we will check it against the source.
Medical disclaimer: This information is for educational purposes only and does not replace professional dental advice. Individual results, recovery times, and suitability vary. Always consult a qualified dentist before making decisions about treatment.
At a Glance
Thinking about Smile Signature?
Tell us your procedure and we will send its real prices for your case, plus two alternatives worth comparing. Free and no obligation.
Get a Free Quote