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.

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The evidence

What patients actually wrote.

4.8

out of 5, from 98 reviews

5 93

4 0

3 1

2 0

1 4

PIYAPAT Wongcharoenwattana via Google 5.0 out of 5

The clinic is clean, the staff is lovely, and communication is easy and hassle-free. The doctor is kind.

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, PIYAPAT Wongcharoenwattana. 😊

Chicha Saelim via Google 5.0 out of 5

Good. Fast and clear service. I like how they work here.