Lassus Tandartsen Den Haag (Wassenaarseweg)
According to our open methodology, this clinic scored 29.1/100 for transparency, reputation, service accessibility, and digital visibility.
Overall rank: #29 of 31 ranked clinics · Last checked: 27 August 2026
Positions by Rating Profile
- Overall Transparency & Trust#2929.1/100
- Best for Expats#2926.5/100
- Best for Dental Implantsnot ranked
- Best for Emergency Dental Carenot ranked
- Best Price Transparency#2920.2/100
- Best English-speaking Clinicsnot ranked
- Best for Families / Children#1930.7/100
- Sleep Dentistry (GA / deep sedation)not ranked
General Anaesthesia & Deep Sedation
Whether the clinic documents treatment under general anaesthesia or deep / twilight sedation — "sleep dentistry", where the patient is asleep and unaware (does not feel, see, or hear the procedure). Ordinary conscious sedation, where the patient stays awake and responsive, does not count here. This is informational and does not affect the transparency score.
- ? General anaesthesia / deep sedation (sleep dentistry) — Not verified
Summary
Den Haag branch of the Lassus Tandartsen chain (also present in Amsterdam, Lelystad and Tilburg); Google lists this location under the dual name "Lassus Tandartsen Wassenaarseweg / Residentaal Tandartsen". Offers root canal treatment, crowns/bridges, children's dentistry, dentures, whitening and surgical treatments, with an English toggle on the site.
Google Maps and the clinic's own site show this location under two brand names (Lassus Tandartsen and Residentaal Tandartsen); the Lassus corporate site (lassustandartsen.nl) is used here as the primary source.
Strengths
No categories reached the strength threshold (80%).
Weaknesses
- Price Transparency: 0 of 3 verifiable points (missing: prices or price ranges published)
- AI & Search Visibility: 0 of 5 verifiable points (missing: mentioned for: best dentist netherlands; mentioned for: english speaking dentist netherlands; mentioned for: dental implants netherlands; mentioned for: emergency dentist netherlands; mentioned for: netherlands dental clinic for expats)
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 | 0/3 |
| ? | Dentist specializations listed | 0/2 |
| ? | Real clinic photos | 0/2 |
| ✓ | Service list published [s1] | 3/3 |
| ✓ | Clear contact details [s1] | 2/2 |
| ✓ | English website version [s1] | 2/2 |
| ✓ | Address and map published [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 | 0/2 |
| ? | Consultation price listed | 0/2 |
| ? | 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) Google rating 4.7 (196 reviews) as of 2026-08-27 [lassusdh-maps] | 5/6 |
| ◐ | Google review volume [lassusdh-maps] | 2/3 |
| ? | Review recency | 0/3 |
| ? | Clinic responds to reviews | 0/2 |
| ? | No recurring complaints | 0/2 |
| ? | No suspicious review patterns | 0/2 |
| ? | Active Facebook presence | 0/1 |
| ? | TripAdvisor presence | 0/0.5 |
| ? | Other review platforms | 0/0.5 |
Medical Infrastructure
The range of publicly documented equipment and services. This measures documented availability, not clinical quality.
| ? | On-site X-ray | 0/2 |
| ? | CBCT (3D imaging) | 0/2 |
| ? | Implantology | 0/2 |
| ? | Orthodontics | 0/2 |
| ✓ | Oral surgery [s1] | 2/2 |
| ✓ | Pediatric dentistry [s1] | 1.5/1.5 |
| ? | Emergency care | 0/1.5 |
| ✓ | Works with international patients [s1] | 2/2 |
Communication & Service
How easy it is to contact the clinic, get answers, and book - especially for international patients.
| ✗ | WhatsApp / LINE available [s1] | 0/2 |
| ? | Response speed | 0/1.5 |
| ? | English spoken | 0/2.5 |
| ? | Pre-visit consultation possible | 0/1.5 |
| ✓ | Clear service explanations [s1] | 1/1 |
| ✓ | Convenient opening hours [lassusdh-maps] | 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 Netherlands", "English speaking dentist Netherlands", "dental implants Netherlands", "emergency dentist Netherlands", "Netherlands dental clinic for expats".
| ✗ | Mentioned for: best dentist Netherlands [sq-best] | 0/1 |
| ✗ | Mentioned for: English speaking dentist Netherlands [sq-english] | 0/1 |
| ✗ | Mentioned for: dental implants Netherlands [sq-implants] | 0/1 |
| ✗ | Mentioned for: emergency dentist Netherlands [sq-emergency] | 0/1 |
| ✗ | Mentioned for: Netherlands dental clinic for expats [sq-expats] | 0/1 |
| ? | Structured data on website | 0/1.5 |
| ? | Google indexing quality | 0/2 |
| ? | Dedicated service pages | 0/1.5 |
Licensing & Credentials
Whether the clinic publishes its operating licence and the dentists working there together with their professional licence numbers. A verified “not published” is recorded as a red flag; data we have not checked yet is shown as unverified and carries no penalty.
Clinic operating licence: not checked against public sources yet — unverified, no penalty
Dentists & professional licences
No published dentist roster is recorded for this clinic yet — unverified, no penalty.
Red Flags
- low Opaque or bait pricing (-2 pts) — No prices or price ranges published (derived from data).
Red-flag penalty applied: -2 points (capped at -20).
Data We Could Not Verify
- Information Transparency: Dentist names listed
- Information Transparency: Dentist specializations listed
- Information Transparency: Real clinic photos
- Price Transparency: Cleaning price listed
- Price Transparency: Filling price listed
- Price Transparency: Crown price listed
- Price Transparency: Implant price listed
- Price Transparency: Consultation price listed
- Price Transparency: X-ray / imaging price listed
- Reputation & Reviews: Review recency
- Reputation & Reviews: Clinic responds to reviews
- Reputation & Reviews: No recurring complaints
- Reputation & Reviews: No suspicious review patterns
- Reputation & Reviews: Active Facebook presence
- Reputation & Reviews: TripAdvisor presence
- Reputation & Reviews: Other review platforms
- Medical Infrastructure: On-site X-ray
- Medical Infrastructure: CBCT (3D imaging)
- Medical Infrastructure: Implantology
- Medical Infrastructure: Orthodontics
- Medical Infrastructure: Emergency care
- Communication & Service: Response speed
- Communication & Service: English spoken
- Communication & Service: Pre-visit consultation possible
- AI & Search Visibility: Structured data on website
- AI & Search Visibility: Google indexing quality
- AI & Search Visibility: Dedicated service pages
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://lassustandartsen.nl/den-haag/clinic/wassenaarseweg/ |
|---|---|
| Phone | +31 70 406 1832 |
| Address | Wassenaarseweg 18, 2596 CH Den Haag |
Contact details are provided for identification only and may change; verify with the clinic directly.
Sources
| ID | Source | What it supports | Accessed |
|---|---|---|---|
| s1 | https://lassustandartsen.nl/den-haag/clinic/wassenaarseweg/ | name, address, phone, email, services, EN toggle | 2026-08-27 |
| lassusdh-maps | https://www.google.com/maps/search/Lassus+Tandartsen+Wassenaarseweg… | address confirmation, listed as "Lassus Tandartsen Wassenaarseweg / Residentaal Tandartsen", Google rating 4.7 (196 reviews), hours | 2026-08-27 |
| sq-best | search:best dentist Netherlands | AI/search mention | 2026-08-28 |
| sq-english | search:English speaking dentist Netherlands | AI/search mention | 2026-08-28 |
| sq-implants | search:dental implants Netherlands | AI/search mention | 2026-08-28 |
| sq-emergency | search:emergency dentist Netherlands | AI/search mention | 2026-08-28 |
| sq-expats | search:Netherlands dental clinic for expats | AI/search mention | 2026-08-28 |
Change History
| Date | Change |
|---|---|
| 2026-08-27 | Initial research: identified via the Lassus Tandartsen chain location finder during national (all-NL) index expansion (chain already represented in the index by its Amsterdam location). Address/phone/services confirmed on clinic website; Google rating confirmed via Google Maps. |
A question or a correction?
Have a question, a suggestion, or a correction to this page? Get in touch — we read every message. Verified data corrections are reviewed against sources and applied with a public change-history entry.
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