Bleibtreu Zahnärzte
According to our open methodology, this clinic scored 54.4/100 for transparency, reputation, service accessibility, and digital visibility.
Overall rank: #11 of 15 ranked clinics · Last checked: 25 August 2026
Positions by Rating Profile
- Overall Transparency & Trust#1154.4/100
- Best for Expats#1049.8/100
- Best for Dental Implants#1047.5/100
- Best for Emergency Dental Carenot ranked
- Best Price Transparency#1138/100
- Best English-speaking Clinics#1053.5/100
- Best for Families / Children#855/100
- 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 Site emphasizes gentle, pain-managed treatment pacing only; no sedation/GA mention.
Summary
Dental practice in Berlin-Charlottenburg led by Dr. Lennard Krüger with Dr. Mathias Gnauert, positioning itself around sustainable dentistry. Services include caries treatment, cleaning, root canals, periodontology, bleaching, veneers, implants, pediatric dentistry and invisible braces. The website has an English section.
Strengths
- Information Transparency: 18 of 20 points.
- Reputation & Reviews: 16 of 20 points.
- No red flags identified in public sources.
Weaknesses
- Price Transparency: 0 of 15 verifiable points (missing: prices or price ranges published; cleaning price listed; filling price listed; crown price listed; implant price listed; consultation price listed; x-ray / imaging price listed)
- AI & Search Visibility: 4 of 10 verifiable points (missing: mentioned for: best dentist Berlin; mentioned for: English speaking dentist Berlin; mentioned for: dental implants Berlin; mentioned for: emergency dentist Berlin; mentioned for: Berlin 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 [s1] | 3/3 |
| ✗ | Dentist specializations listed Individual doctor specializations not differentiated. [s1] | 0/2 |
| ✓ | Real clinic photos [s1] | 2/2 |
| ✓ | Service list published [s1] | 3/3 |
| ✓ | Clear contact details [s1] | 2/2 |
| ✓ | English website version English pages exist (/en). [s2] | 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.
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) as of 2026-08-25 [bleibtreu-zahnaerzte-refresh] | 5/6 |
| ◐ | Google review volume [bleibtreu-zahnaerzte-refresh] | 1.5/3 |
| ✓ | Review recency Newest Google review is dated 2026-08-24 (listing read 2026-09-25). [bleibtreu-zahnaerzte-gbp-2026-09-25] | 3/3 |
| ✓ | Clinic responds to reviews Owner replies to reviews on the Google listing: 5 of the 5 newest reviews answered, owner reply dated 2026-08-27 (read 2026-09-25). [bleibtreu-zahnaerzte-gbp-2026-09-25] | 2/2 |
| ✓ | No recurring complaints Of 61 Google reviews, 1 is one- or two-star (1.6 %), a single 2024 complaint about an appointment reminder, so no complaint recurs (read 2026-10-02). [bleibtreu-zahnaerzte-r6rep] | 2/2 |
| ✓ | No suspicious review patterns No five-star cluster and no repeated wording in the 10 Google reviews read (2022-01-07 to 2026-08-24); 10 are from accounts with other reviews of their own (read 2026-10-02). [bleibtreu-zahnaerzte-r6rep] | 2/2 |
| ? | Active Facebook presence Not established: no Facebook page is linked from the clinic's own channels, and none was found under its name (checked 2026-10-02). | 0/1 |
| ✗ | TripAdvisor presence No TripAdvisor listing found via its search for "Bleibtreu Zahnärzte Berlin" and "Bleibtreu Zahnarzt"; the clinic's site does not link to TripAdvisor (checked 2026-10-05). [bleibtreu-zahnaerzte-tripadvisor-3] [bleibtreu-zahnaerzte-tripadvisor-2] | 0/0.5 |
| ✓ | Other review platforms arzt-auskunft, dr-flex, kauperts listings. [s3] | 0.5/0.5 |
Medical Infrastructure
The range of publicly documented equipment and services. This measures documented availability, not clinical quality.
Communication & Service
How easy it is to contact the clinic, get answers, and book - especially for international patients.
AI & Search Visibility
Whether the clinic is discoverable when patients search - including via AI assistants. Checked with fixed queries: "best dentist Berlin", "English speaking dentist Berlin", "dental implants Berlin", "emergency dentist Berlin", "Berlin dental clinic for expats".
| ✗ | Mentioned for: best dentist Berlin [sq] | 0/1 |
| ✗ | Mentioned for: English speaking dentist Berlin [sq] | 0/1 |
| ✗ | Mentioned for: dental implants Berlin [sq] | 0/1 |
| ✗ | Mentioned for: emergency dentist Berlin [sq] | 0/1 |
| ✗ | Mentioned for: Berlin dental clinic for expats [sq] | 0/1 |
| ✓ | Structured data on website Homepage JSON-LD declares LocalBusiness. [bleibtreu-zahnaerzte-r6s] | 1.5/1.5 |
| ◐ | Google indexing quality The clinic's own site first appears at position 9 of 10 in a name-and-city web search on 2026-10-02, behind other listings. [bleibtreu-zahnaerzte-av3] | 1/2 |
| ✓ | 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. 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: Registered Vertragszahnarztpraxis — KZV Berlin Zahnarztsuche (practice: 'Dr. Lennard Krüger, Zahnarzt', Bleibtreustr. 38, 10623 Berlin - Charlottenburg) (KZV Berlin (scope both, open, name search); searched 'Lennard Krüger' and 'Mathias Gnauert'. Krüger matched exactly; Gnauert matched a different address (see doctor entry). Clinic itself is confirmed via Krüger's listing. 2026-08-25.) [bleibtreu-zahnaerzte-lic]
Dentists & KZV Berlin register entry
| Dentist | Specialization | KZV entry | Notes |
|---|---|---|---|
| Dr. Lennard Krüger [s1] [s3] [bleibtreu-zahnaerzte-lic] | — | not published | Panel dentist registered with KZV Berlin; the association publishes no licence number. |
| Dr. Mathias Gnauert [s1] [s3] [bleibtreu-zahnaerzte-lic] | — | not verified | — |
Dentists are named; their licence numbers have not been checked against public sources yet — unverified, no penalty.
Red Flags
No red flags identified in the public sources we reviewed.
Data We Could Not Verify
- Reputation & Reviews: Active Facebook presence
- Medical Infrastructure: On-site X-ray
- Medical Infrastructure: CBCT (3D imaging)
- Medical Infrastructure: Oral surgery
- Medical Infrastructure: Emergency care
- Communication & Service: Response speed
- Communication & Service: Pre-visit consultation possible
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://www.bleibtreu-zahnaerzte.de |
|---|---|
| Phone | +49 30 8816658 |
| Google Maps | Map listing |
| Address | Bleibtreustr. 38, 10623 Berlin |
Contact details are provided for identification only and may change; verify with the clinic directly.
Sources
| ID | Source | What it supports | Accessed |
|---|---|---|---|
| s1 | https://www.bleibtreu-zahnaerzte.de | Name, address, phone, dentists, services, photos, hours. | 2026-07-08 |
| s2 | https://www.bleibtreu-zahnaerzte.de/en | English version of site. | 2026-07-08 |
| s3 | https://www.arzt-auskunft.de/arzt/zahnarzt/berlin/dr-lennard-kruege… | Dentist listing / directory presence. | 2026-07-08 |
| sq | search:best dentist Berlin / English speaking dentist Berlin / dental implants Berlin / emergency dentist Berlin / Berlin dentist for expats | AI/search visibility queries. | 2026-07-08 |
| bleibtreu-zahnaerzte-refresh | https://www.google.com/maps/place/BLEIBTREU+ZAHN%C3%84RZTE/@52.5023… | most recent review among visible reviews is 2 years old (as of 2026-08-25) | 2026-08-25 |
| bleibtreu-zahnaerzte-lic | https://www.kzv-berlin.de/fuer-patienten/zahnarztsuche | searched: Lennard Krüger — listed as tätig in Dr. Lennard Krüger, Zahnarzt, Bleibtreustr. 38, 10623 Berlin - Charlottenburg, Tel: 8816658, www.bleibtreu-zahnaerzte.de; two other Zahnärztinnen (Dr. Tatjana Tietz, Jennifer Amann) also listed at this practice. | 2026-08-25 |
| bleibtreu-zahnaerzte-gbp-2026-09-25 | https://www.google.com/maps?cid=2266568560512452753&hl=en | Google listing read on 2026-09-25: rating 4.9 from 61 reviews; star histogram 1★ 1 / 2★ 0 / 3★ 0 / 4★ 0 / 5★ 60; newest review dated 2026-08-24; 5 of the 5 newest reviews carry an owner reply, latest dated 2026-08-27. | 2026-09-25 |
| bleibtreu-zahnaerzte-av3 | search:"Bleibtreu Zahnärzte" Berlin | Web search run on 2026-10-02 (English, US results) for the clinic's name and city: 10 results listed. Its own pages: bleibtreu-zahnaerzte.de (home page, 9th). Listed before the first of them: directory listings, and four Wikipedia articles on unrelated topics. | 2026-10-02 |
| bleibtreu-zahnaerzte-r6s | https://www.bleibtreu-zahnaerzte.de/ | Homepage HTML has JSON-LD of type LocalBusiness (alongside PostalAddress and WebSite) (read 2026-10-02). | 2026-10-02 |
| bleibtreu-zahnaerzte-r6rep | https://www.google.com/maps?cid=2266568560512452753&hl=en | Google listing "BLEIBTREU ZAHNÄRZTE", read 2026-10-02 with its reviews sorted lowest first and newest first: rating 4.9 from 61 reviews, histogram 1 one-star, 0 two-star, 0 three-star, 0 four-star, 60 five-star; 10 distinct reviews read (dated 2022-01-07 to 2026-08-24), 9 with an owner reply; the lowest-rated reviews read are dated 2022-2024. | 2026-10-02 |
| bleibtreu-zahnaerzte-tripadvisor-2 | https://www.bleibtreu-zahnaerzte.de | Clinic's website, home page read 2026-10-05: no link to a TripAdvisor page | 2026-10-05 |
| bleibtreu-zahnaerzte-tripadvisor-3 | https://www.tripadvisor.com/TypeAheadJson?action=API&details=true&q… | TripAdvisor's own search, read 2026-10-05: 12 suggestions for "Bleibtreu Zahnärzte Berlin" (3 places, 4 attractions, 5 hotels), none of them a dental practice in or near Berlin; 6 suggestions for "Bleibtreu Zahnarzt" (3 attractions, 1 hotel, 2 restaurants), none of them a dental practice in or near Berlin; no listing for this clinic | 2026-10-05 |
Change History
| Date | Change |
|---|---|
| 2026-10-05 | TripAdvisor presence checked on 2026-10-05: no listing found for this clinic. |
| 2026-10-02 | Reputation check 2026-10-02 on the clinic's Google listing (10 reviews read): recurring complaints no, suspicious review patterns no. |
| 2026-10-02 | Read the clinic website (homepage, sitemap and service pages): structured data found. |
| 2026-09-29 | Corrected 2026-09-29: review recency within 3 months (newest review dated 2026-08-24); owner replies to reviews confirmed on the Google listing (owner reply dated 2026-08-27). |
| 2026-08-25 | License verification 2026-08-25 against KZV Berlin Zahnarztsuche: clinic and Dr. Lennard Krüger confirmed as an active Vertragszahnarzt at the clinic's exact address. Dr. Mathias Gnauert's only KZV Berlin registration is at an unrelated address (Schlüterstr. 38) — left null pending clarification, not verified false. |
| 2026-08-25 | Re-verification 2026-08-25: confirmed website live, address, phone unchanged; newly captured Google rating 4.9 (61 reviews); captured geo coordinates and Maps URL; operating status open. |
| 2026-07-08 | Initial data collection. |
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.