SmileJet

Patients

Reviews of Denta-Joy Thonglor.

Bangkok, Thailand. 98 aggregated from Google. Screened for duplication and printed as written. They are not visit-verified.

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SmileJet AI analysis

What these reviews add up to.

7.6 out of 10

Overall score

50 reviews read

3 public sources checked

Confidence in the reading: Medium

Last written 20 May 2026

Denta-Joy Thonglor is one of Bangkok's most credentialed dental clinics: 40+ years established, ISO 9001 certified, ABO Diplomate orthodontist, and Thailand's Invisalign leader with 9,000+ cases. Located in the premium Thonglor expat corridor with confirmed English service and multiple international patients. One documented rude doctor and time management complaints are isolated concerns against an otherwise strong track record.

Authenticity

6/10

4.82/98 Google; light manipulation (-1 auth). SmileJet 4.72/50 includes genuine negatives — a positive authenticity signal for this 40-year ISO-certified clinic.

Treatment quality

8/10

ISO 9001:2015, ABO Diplomate orthodontist, Thailand's Invisalign leader (9,000+ cases). First lingual braces in Thailand (1983), first Brava by BRIUS (2019). Specialist team.

Cleanliness

8/10

Newly renovated per reviewer. Consistently described as clean, bright, and modern. Convenient parking in Fifty Fifth Plaza. No hygiene concerns raised.

Team

7/10

Dr. Narandr Chevangkul (ABO Diplomate) leads ortho. Dr. Nawarat, Dr. Kamolchanok praised. One documented rude/rushed doctor (Dr. Nunhathai) from a long-term patient.

Price value

7/10

Transparent and affordable pricing noted by multiple reviewers including international patients. Reasonable for premium Thonglor location and specialist credentials.

Tourist suitability

9/10

Thonglor prime expat zone; 5 min from BTS Thonglor Exit 3. All staff speak English confirmed. Multiple international patients. Thailand's Invisalign leader. 8 branches for follow-up.

What comes up well

  • Thailand's Invisalign leader: 9,000+ cases and Lifetime Achievement Award
  • ISO 9001:2015 certified; ABO Diplomate orthodontist Dr. Narandr Chevangkul
  • 40+ year history; 8 branches across Thailand and Cambodia
  • Confirmed English service; multiple international patients including Australians and Europeans

Points to weigh

  • Light manipulation: 4.82/98 Google reviews
  • Dr. Nunhathai documented as rude and dismissive to a 10-year patient
  • Appointment time management issues: doctor late, patients not informed proactively

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.

4.8

out of 5, from 98 reviews

5 93
4 0
3 1
2 0
1 4
namtaRn chalongkwamdee via Google 5.0 out of 5
The clinic is beautiful, and the doctor and staff gave excellent advice.
Reply from the clinic

All the dentists and staff at DentaJoy would like to express our sincere gratitude for your kind support. We are always ready to take care of you, namtaRn chalongkwamdee. 😊

Mananya Chinbutarnon via Google 5.0 out of 5
Good service from the staff. Clean clinic. The doctor is polite and provides good advice.
Reply from the clinic

The dentists and all staff at Denta Joy would like to thank you for your support. We're always ready to take care of Ms. Mananya Chinbutarnon. 😊

Fon N via Google 5.0 out of 5
The doctor gave good advice, the procedure was quick, and the atmosphere was nice.
Reply from the clinic

All the dentists and staff at DentaJoy would like to express our gratitude for your kind support, and we are always ready to take care of you, Fon N. 😊

Kanchanit Saetan via Google 5.0 out of 5
The service is very good. I am impressed every time I come here. 🥰 …
Reply from the clinic

All the dentists and staff at DentaJoy would like to express our gratitude for your kind support. We are always ready to take care of you, Kanchanit Saetan. 😊

Rawin Chaiwatanarat via Google 5.0 out of 5
The dentist was gentle, all the staff were lovely, and the place was clean.
Reply from the clinic

All the dentists and staff at DentaJoy would like to express our gratitude for your kind support, and we are always ready to take care of you, Rawin Chaiwatanarat. 😊

Saranya Khunchotiphong via Google 5.0 out of 5
I come here regularly for teeth cleaning. The dentist is very gentle, and the staff are very helpful.
Reply from the clinic

The dentists and all staff at Denta Joy would like to thank you for your 5-star rating. We are always ready to take care of you, Saranya Khunchotiphong. 😊

ดวงพร ยินดี via Google 5.0 out of 5
Dr. Kamolchanok is lovely, calm, and very meticulous. The reception staff were also very good.
Reply from the clinic

All the dentists and staff at DentaJoy would like to express our gratitude for your kind encouragement. We are always ready to take care of you, Ms. Duangporn Yindi. 😊

มาลินี สุวิเดชโกศล via Google 5.0 out of 5
My whole family is a patient at Denta-Joy, and everyone has beautiful teeth. The clinic is modern, the dentist is skilled, and the staff provides excellent service. I'm very impressed. I highly recommend it to anyone who wants a beautiful smile.
Reply from the clinic

All of the dentists and staff at Denta Joy would like to thank you for your support. We are always ready to take care of you, Malinee Suvidechkoson. 😊

Ganyaa Xmith via Google 5.0 out of 5
Great dental clinic with very friendly staff and excellent service. The orthodontic treatment is really good, prices are affordable, and the clinic is clean and professional. Highly recommended for both braces and general dental care.
Reply from the clinic

Thank you for your appreciation and rate our service at the best. We commit to serve and support you well as always. Wish to see and serve you the best again soon. 😊 …

Phetphailin Mahabudwong via Google 5.0 out of 5
The doctor is very skilled and provides very fast service. The dental crown was done well and there were no problems at all.
Reply from the clinic

All the dentists and staff at DentaJoy would like to express our gratitude for your kind support, and we are always ready to take care of you, Phetphailin Mahabudwong. 😊

Chatchai Asanachinda via Google 5.0 out of 5
If you’re looking for a clean, professional and premium dentist in the middle of Thonglor, Denta Joy is the way to go.
hannah lee via Google 5.0 out of 5
Excellent service rendered by the dentist and reception with very affordable and transparent pricing
Kandit Wattanamaitree via Google 5.0 out of 5
Clean, comfortable to look at. The doctor is cute, very friendly, and provides good service. I like it.
Reply from the clinic

The dentists and all staff at Denta Joy would like to thank you for your support. We're always ready to take care of you, Kandith Wattanamaitree. 😊

ilada rasen via Google 5.0 out of 5
The doctor was lovely, explained things clearly, and the service was good.
Reply from the clinic

The dentists and all staff at Denta Joy would like to thank you for your support and we are always ready to take care of you. ilada rasen

Pornchanok Kitiwattanasak via Google 5.0 out of 5
The doctor is very good and the staff are very nice.
Reply from the clinic

All the dentists and staff at DentaJoy would like to express our sincere gratitude for your kind support. We are always ready to take care of you, Pornchanok Kitiwattanasak. 😊

Nakarin Sriguruwal via Google 5.0 out of 5
Very good perfect must come clean flexible with time. Love it here
CHAWEEWAN NUNTAWONG via Google 5.0 out of 5
Our family got clear braces here. The price is reasonable for the quality. The dentist is very skilled and the results are beautiful. All the staff are very attentive and provide excellent service. I like the clinic which is clean, bright, and has very convenient parking.
Reply from the clinic

The dentists and all staff at Denta Joy would like to thank you for your support. We are always ready to take care of Chaweewan Nuntawong. 😊

Sos Tatchmalee via Google 5.0 out of 5
The doctor and assistants are very professional. I went home very happy, my smile is more beautiful, and I feel much more confident. Thank you very much :)
Reply from the clinic

The dentists and all staff at Denta Joy would like to thank you for your support. We're always ready to take care of Sos Tatchmalee. 😊

ACC PTP via Google 5.0 out of 5
Good service. There are specialist doctors who provide care and give you more confidence. All the staff are friendly and smiling.
Reply from the clinic

The dentists and all staff at Denta Joy would like to thank you for your support. We're always ready to take care of you, ACC PTP. 😊

林禮物Thunchanok via Google 1.0 out of 5
Extremely poor time management. Staff training is crucial; everyone's time is valuable. …
Reply from the clinic

The clinic sincerely apologizes for the incident. Regarding the deficiencies in our service, all staff are committed to improving and correcting them. We apologize once again to our patients. 🙏

Lo Iyvonne via Google 5.0 out of 5
I had a great experience with this dentist! The cleaning was incredibly thorough yet surprisingly quick. You can tell they pay close attention to detail. Just a heads up you’ll need to book your appointment in advance, but it’s absolutely worth it.
กมลรัตน์ via Google 5.0 out of 5
Dr. Genius is gentle, friendly, and kind. The toothbrush basin is beautiful, too.
Reply from the clinic

The dentists and all staff at Denta Joy would like to thank you for your support. We're always ready to take care of you, Kamonrat. 😊

ogu ferai via Google 5.0 out of 5
Invisalign Center Bangkok recommended this clinic for my urgent issues with my aligners - the clinic is wonderful,flexible and helpful! Everybody speaks English too! Had a great experience
WenDi Wong via Google 5.0 out of 5
Good service, all the staff love children. My daughter is happy to have Dental Joy take care of her.
Reply from the clinic

The dentists and all staff at Denta Joy would like to thank you for your support. We're always ready to take care of WenDi Wong. 😊

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