SmileJet

Patients

Reviews of TDH Dental Clinic.

Bangkok, Thailand. 135 aggregated from Google. Screened for duplication and printed as written. They are not visit-verified.

Back to the clinic page

SmileJet AI analysis

What these reviews add up to.

6.5 out of 10

Overall score

50 reviews read

3 public sources checked

Confidence in the reading: Low

Last written 3 May 2026

TDH Dental is a 20-year established Thai dental hospital chain with ISO 9001 certification and Invisalign Red Diamond status, holding genuine credentials. Its review pool however shows manipulation patterns making outcome quality hard to independently verify.

Authenticity

4/10

49 of 50 reviews are 5-star with 0 verified accounts and uniformly short generic praise; manipulation cap applied despite legitimate hospital infrastructure.

Treatment quality

5/10

Cannot verify outcomes from review pool given manipulation pattern; ISO 9001 process certification supports baseline quality controls.

Cleanliness

8/10

ISO 9001:2015 certified, Guided Biofilm Therapy and Air-Flow systems, digital X-ray imaging across 10 branches.

Team

7/10

20+ years operating, multiple specialist departments named (orthodontics, endo, perio, oral surgery), Dr Rueang-Yos Onsoad listed but individual credentials not detailed.

Price value

7/10

Transparent pricing published: veneers 14000-18000 THB per tooth, whitening 10900-12900 THB, accessible to tourists.

Tourist suitability

8/10

English, Chinese, Lao and Burmese language support, 10 branches including Iconsiam tourist hub, no formal JCI for international patients.

What comes up well

  • ISO 9001:2015 certified with 10 branches
  • Invisalign Red Diamond Provider (highest in Thailand)
  • Transparent pricing in Thai Baht for tourists
  • Multilingual support including English, Chinese, Lao

Points to weigh

  • 49 of 50 reviews 5-star with 0 verified accounts and generic praise - manipulation suspected
  • No JCI accreditation despite hospital branding
  • Individual specialist credentials not detailed on English website

This analysis is written by AI from the reviews below and the public sources it could find. It is a reading of what patients reported, not a clinical endorsement and not medical advice. How clinics are listed and screened is set out in our trust and safety policy.

The evidence

What patients actually wrote.

4.9

out of 5, from 135 reviews

5 131
4 2
3 0
2 0
1 2
N M via Google 5.0 out of 5
The doctor was very gentle and gave good advice. The place was clean and easy to get to.
Reply from the clinic

Thank you for trusting us with your care. Our team of dentists and staff at TDH are happy to serve you. πŸ’™βœ¨

ΰΉ„ΰΈ«ΰΈ‘ ΰΈ—ΰΈ΅ΰΈ‘c via Google 5.0 out of 5
The doctor and staff provided excellent service. There was follow-up both before and after the Invisalign treatment. I was very impressed.
BADROBOT via Google 5.0 out of 5
The staff member provided excellent service. She was lovely, kept calling to follow up, and was attentive to customers throughout.
Noot Pimnada via Google 5.0 out of 5
The staff provided good service, and the doctor was able to help solve the problem effectively.
Busaba Ngamvongtrakul via Google 5.0 out of 5
THD at Icon Siam provides excellent service. The doctors and staff are all wonderful, providing great advice and treatment. They pay attention to every detail. :)
Reply from the clinic

TDH would like to thank Ms. Busaba Ngamvongtrakul for trusting us with your dental care. Our TDH dental team is delighted to have provided our services and hopes to continue caring for you for many years to come. πŸ’™ ✨

Ratirat Jinta via Google 5.0 out of 5
I'm getting Invisalign treatment here. The doctor is always ready to give advice/consultations. The admin is kind and always responds quickly to LINE messages. πŸ‘πŸ»πŸ‘πŸ» …
Benz SH via Google 4.0 out of 5
Located on the 5th floor of the IconSiam branch, the staff provided excellent service and the place looked clean. The doctor gave good advice and was able to collect my Viz receipt.
Reply from the clinic

TDH would like to express our sincere gratitude for your trust in our services. We will use your compliments to improve and develop our services even further. At TDH, we are pleased to serve you and look forward to serving you again. πŸ’™ ✨

Pattarasorn Treekanitsorn via Google 5.0 out of 5
The dentist was gentle when scaling my teeth. I recommend him.
Reply from the clinic

TDH would like to thank you for trusting us with your dental care. Our team of dentists is happy to serve you. πŸ’™βœ¨

Mayucha Changnoi via Google 5.0 out of 5
The place is clean and convenient. The doctor was gentle and quick, the procedure didn't take long.
preeyanuch mornsaeng via Google 5.0 out of 5
The doctor was very cheerful and kind, explaining everything calmly and in detail, which made me, as a patient, feel relaxed and comfortable. I didn't feel awkward at all during my visit. The staff were also very helpful and polite.
Arunrat Theeranartsin via Google 5.0 out of 5
The service was excellent, and the doctor was kind and lovely. ☺️☺️
Reply from the clinic

TDH would like to thank you for trusting us with your care. Our dental team is happy to serve you. πŸ’™βœ¨

K C via Google 5.0 out of 5
I got Invisalign braces here and they took good care of me. They had a very systematic follow-up appointment.
Reply from the clinic

TDH would like to express our sincere gratitude for your trust in our services. We will use your feedback to improve and develop our services even further. πŸ’™ ✨

Tronghathai Yosprasit via Google 5.0 out of 5
The staff and doctors provided excellent service and complete information. The place was clean and easy to get to.
Reply from the clinic

TDH would like to thank you, Ms. Tronghathai, for trusting us with your care. Our TDH dental team is pleased to serve you and looks forward to continuing to care for you. πŸ’™ ✨

sitthipong pongthonglor via Google 5.0 out of 5
The doctor has a very gentle hand and explains every step.
Reply from the clinic

TDH would like to thank you, Mr. Sitthipong, for trusting us with your care. Our TDH dental team is pleased to serve you and looks forward to continuing to care for you. πŸ’™ ✨

Grace via Google 5.0 out of 5
The doctor is very kind. Whenever I have any questions, the admin responds quickly and provides excellent assistance.
Reply from the clinic

TDH would like to express our sincere gratitude for your trust in our care. We will use your compliments to improve and develop our services for the best possible experience. TDH is delighted to serve you and hopes to continue caring for you for many years to come. πŸ’™βœ¨

Orranat Nanon via Google 5.0 out of 5
The dentist was lovely, gentle, kind, and explained the process in detail, giving me a clear picture of what my orthodontic treatment would look like. The staff were also very helpful. I was very impressed!
Reply from the clinic

Thank you for trusting TDH Icon Siam branch to take care of you. πŸ’™βœ¨

santa li via Google 5.0 out of 5
The doctor was lovely, the staff provided excellent service. I was very impressed.
Chompoo Nitchakarn via Google 5.0 out of 5
I had Invisalign treatment at TDH's Icon Siam branch. The doctor was lovely and the service was excellent.
Reply from the clinic

Thank you for trusting TDH to take care of your smile :) πŸ’™βœ¨

Siwa Manaj via Google 5.0 out of 5
The service and advice were excellent. The doctor was very kind. ❀️
Reply from the clinic

Thank you for trusting TDH to take care of you. πŸ’™βœ¨

Chawarit (Boyd) R. via Google 5.0 out of 5
The doctor and the team provided excellent service. I was very impressed.
PPP Pongsaton via Google 5.0 out of 5
This is my second time here and I am very impressed. The doctor is kind and always tells me what he is doing. If it will hurt, he will always tell me beforehand. The place is clean and easy to get to.
ssariinn via Google 5.0 out of 5
The doctor gave very good advice. The Icon branch is very convenient. I've used their services many times and have never been disappointed.
ZKP 26 via Google 5.0 out of 5
The orthodontist came out looking beautiful and the counter staff provided good service.
Nattapon Santiwatanakul via Google 5.0 out of 5
The doctor has a gentle hand, gives good advice, and is patient. The service is fast and very friendly.

Want the same for your own teeth? Send a photo and we will come back with a written quote from TDH Dental Clinic.

Questions about your treatment?

Message us and a coordinator will answer with clinic options, indicative pricing and what a trip would involve. No forms, no call centre, and no obligation. Prices are indicative; only a clinic's written quote applies to you.

SmileJet is an information service, not a healthcare provider. Nothing here is medical advice.

WhatsApp Messenger
WhatsApp Messenger