GrandDent Dental Clinic
According to our open methodology, this clinic scored 44.4/100 for transparency, reputation, service accessibility, and digital visibility.
Overall rank: #3 of 15 ranked clinics · Last checked: 8 July 2026
Positions by Rating Profile
- Overall Transparency & Trust#344.4/100
- Best for Expats#443.8/100
- Best for Dental Implants#441.8/100
- Best for Emergency Dental Care#246.2/100
- Best Price Transparency#434.2/100
- Best English-speaking Clinics#446.8/100
- Best for Families / Childrennot ranked
Summary
GrandDent is a multi-specialty dental clinic near Chiang Mai International Airport, listing two prosthodontics-focused dentists and a full service range including implants and full-mouth reconstruction. The website has an English version and real photos but does not publish a full price list. Aggregators report high ratings and a Dental Departures Patients' Choice award.
Strengths
- Information Transparency: 20 of 20 points.
Weaknesses
No category fell below the weakness threshold (50% of verifiable points).
Score Breakdown
Every criterion below is scored from public sources. ✓ verified yes · ✗ verified no / not found · ◐ partial · ? unverified (scores 0, not a negative finding).
Information Transparency
Whether basic facts about the clinic - its team, premises, services, and location - are publicly verifiable.
| ✓ | Has a working website [s1] | 4/4 |
| ✓ | Dentist names listed [s1] | 3/3 |
| ✓ | Dentist specializations listed [s1] | 2/2 |
| ✓ | Real clinic photos [s1] | 2/2 |
| ✓ | Service list published [s1] | 3/3 |
| ✓ | Clear contact details [s1] | 2/2 |
| ✓ | English website version [s1] | 2/2 |
| ✓ | Address and map published Address listed; map link not found [s1] | 2/2 |
Price Transparency
Whether patients can estimate costs before visiting. Published price ranges count; exact prices are not required.
| ✗ | Prices or price ranges published [s1] | 0/3 |
| ? | Cleaning price listed | 0/2 |
| ? | Filling price listed | 0/2 |
| ? | Crown price listed | 0/2 |
| ✓ | Implant price listed From THB 45,000 (aggregator) [s2] | 2/2 |
| ✓ | Consultation price listed Free consultation [s2] | 2/2 |
| ? | X-ray / imaging price listed | 0/2 |
Reputation & Reviews
Public review signals. The Google rating is adjusted with a Bayesian prior (rating 4.0, weight 25) so a 5.0 from a handful of reviews does not outrank a 4.8 from hundreds.
| ? | Google rating (Bayesian-adjusted) Aggregator (Dental Departures) reports 4.94 but not confirmed as Google rating | 0/6 |
| ? | Google review volume 771+ reviews cited across platforms; Google-specific count unverified | 0/3 |
| ? | Review recency | 0/3 |
| ? | Clinic responds to reviews | 0/2 |
| ? | No recurring complaints | 0/2 |
| ? | No suspicious review patterns | 0/2 |
| ✓ | Active Facebook presence [s1] | 1/1 |
| ? | TripAdvisor presence | 0/0.5 |
| ✓ | Other review platforms WhatClinic, Dental Departures, Wanderlog, Top-Rated.Online [s2] | 0.5/0.5 |
Medical Infrastructure
The range of publicly documented equipment and services. This measures documented availability, not clinical quality.
| ✓ | On-site X-ray Advanced imaging / digital smile design [s1] | 2/2 |
| ? | CBCT (3D imaging) | 0/2 |
| ✓ | Implantology [s1] | 2/2 |
| ✓ | Orthodontics [s1] | 2/2 |
| ✓ | Oral surgery [s1] | 2/2 |
| ? | Pediatric dentistry | 0/1.5 |
| ✓ | Emergency care Marketed as emergency dentist [s2] | 1.5/1.5 |
| ✓ | Works with international patients [s2] | 2/2 |
Communication & Service
How easy it is to contact the clinic, get answers, and book - especially for non-Thai speakers.
| ? | WhatsApp / LINE available | 0/2 |
| ? | Response speed | 0/1.5 |
| ✓ | English spoken [s1] [s2] | 2.5/2.5 |
| ✓ | Pre-visit consultation possible Free consultation [s2] | 1.5/1.5 |
| ✓ | Clear service explanations [s1] | 1/1 |
| ✓ | Convenient opening hours Mon-Fri 9-20, Sat-Sun 9-17 [s1] | 1.5/1.5 |
AI & Search Visibility
Whether the clinic is discoverable when patients search - including via AI assistants. Checked with fixed queries: "best dentist Chiang Mai", "English speaking dentist Chiang Mai", "dental implants Chiang Mai", "emergency dentist Chiang Mai", "Chiang Mai dental clinic for expats".
| ✓ | Mentioned for: best dentist Chiang Mai [sq] | 1/1 |
| ✗ | Mentioned for: English speaking dentist Chiang Mai [sq] | 0/1 |
| ✗ | Mentioned for: dental implants Chiang Mai [sq] | 0/1 |
| ✓ | Mentioned for: emergency dentist Chiang Mai [sq] | 1/1 |
| ✗ | Mentioned for: Chiang Mai dental clinic for expats [sq] | 0/1 |
| ? | Structured data on website | 0/1.5 |
| ✓ | Google indexing quality [sq] | 2/2 |
| ✓ | Dedicated service pages [s1] | 1.5/1.5 |
Licensing & Credentials
Whether the clinic publishes its operating licence and the dentists working there together with their professional licence numbers. Missing items are penalised.
Clinic operating licence: not published on the clinic’s website — penalty applied
Dentists & professional licences
| Dentist | Specialization | Licence No. |
|---|---|---|
| Assoc. Prof. Dr. Thongnard Kumchai [s1] | General/Prosthodontics | not published |
| Dr. Hattapol Kumchai [s1] | Prosthodontics (Diplomate, American Board of Prosthodontics) | not published |
Dentists are named, but their professional licence numbers are not published — penalty applied.
Red Flags
- medium Clinic operating licence not published (-4 pts) — The clinic does not publish its operating licence or registration number (derived from data).
- medium Dentists / their licences not listed (-4 pts) — The clinic does not publish its dentists with their professional licence numbers (derived from data).
- low Opaque or bait pricing (-2 pts) — No prices or price ranges published (derived from data).
Red-flag penalty applied: -10 points (capped at -20).
Data We Could Not Verify
- Price Transparency: Cleaning price listed
- Price Transparency: Filling price listed
- Price Transparency: Crown price listed
- Price Transparency: X-ray / imaging price listed
- Reputation & Reviews: Google rating (Bayesian-adjusted)
- Reputation & Reviews: Google review volume
- Reputation & Reviews: Review recency
- Reputation & Reviews: Clinic responds to reviews
- Reputation & Reviews: No recurring complaints
- Reputation & Reviews: No suspicious review patterns
- Reputation & Reviews: TripAdvisor presence
- Medical Infrastructure: CBCT (3D imaging)
- Medical Infrastructure: Pediatric dentistry
- Communication & Service: WhatsApp / LINE available
- Communication & Service: Response speed
- AI & Search Visibility: Structured data on website
Unverified items score 0 points but are not treated as negative findings. If you can document any of them, please send a correction.
Contact Information
| Website | https://granddentdental.com |
|---|---|
| Phone | +66 53-274420 |
| https://www.facebook.com/granddentdental | |
| Address | 181 Mahidol Rd, T. Haiya, A. Muang, Chiang Mai 50000 |
Contact details are provided for identification only and may change; verify with the clinic directly.
Sources
| ID | Source | What it supports | Accessed |
|---|---|---|---|
| s1 | https://granddentdental.com | Website: contacts, dentists, services, photos, hours | 2026-07-08 |
| s2 | https://chiangmaidental.com/clinics/granddent/ | Aggregated reviews, prices, emergency/foreigner info | 2026-07-08 |
| sq | search:best dentist / English speaking / implants / emergency / expats Chiang Mai | AI/search visibility scout 2026-07-08 | 2026-07-08 |
Change History
| Date | Change |
|---|---|
| 2026-07-08 | Initial data collection. |
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