Dr. Roberto Lhotka - Privatordination
According to our open methodology, this clinic scored 31.9/100 for transparency, reputation, service accessibility, and digital visibility.
Overall rank: #12 of 12 ranked clinics · Last checked: 25 August 2026
Positions by Rating Profile
- Overall Transparency & Trust#1231.9/100
- Best for Expats#1226.8/100
- Best for Dental Implantsnot ranked
- Best for Emergency Dental Care#522.8/100
- Best Price Transparency#1223.5/100
- Best English-speaking Clinicsnot ranked
- Best for Families / Childrennot ranked
- 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 No anaesthesia/sedation info found on clinic site.
Summary
Private practice in the 1st district operating since 1998, offering preventive care and general dental treatment. Notes it offers the Pinhole gum technique; emergency appointments available.
Prices not published. No verified numeric Google rating found.
Strengths
- Information Transparency: 16 of 20 points.
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: 3 of 7 verifiable points (missing: mentioned for: english speaking dentist vienna; mentioned for: dental implants vienna; mentioned for: emergency dentist vienna; mentioned for: vienna 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 [s1] | 2/2 |
| ? | Real clinic photos | 0/2 |
| ✓ | Service list published [s1] | 3/3 |
| ✓ | Clear contact details [s1] [s2] | 2/2 |
| ? | English website version | 0/2 |
| ✓ | Address and map published [s2] | 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 [s1] | 0/2 |
| ✗ | Filling price listed [s1] | 0/2 |
| ✗ | Crown price listed [s1] | 0/2 |
| ✗ | Implant price listed [s1] | 0/2 |
| ✗ | Consultation price listed [s1] | 0/2 |
| ✗ | X-ray / imaging price listed [s1] | 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) as of 2026-08-25 [dr-roberto-lhotka-refresh] | 5/6 |
| ◐ | Google review volume [dr-roberto-lhotka-refresh] | 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 [s2] | 1/1 |
| ? | TripAdvisor presence | 0/0.5 |
| ✓ | Other review platforms DocFinder, Herold, Arztsuche24. [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 | 0/2 |
| ? | CBCT (3D imaging) | 0/2 |
| ? | Implantology | 0/2 |
| ? | Orthodontics | 0/2 |
| ? | Oral surgery | 0/2 |
| ? | Pediatric dentistry | 0/1.5 |
| ✓ | Emergency care Emergency appointments available. [s2] | 1.5/1.5 |
| ? | Works with international patients | 0/2 |
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 | 0/2.5 |
| ? | Pre-visit consultation possible | 0/1.5 |
| ? | Clear service explanations | 0/1 |
| ✓ | Convenient opening hours Mon-Thu 09:00-13:00 & 14:00-18:00; Fri by appointment. [s2] | 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 Vienna", "English speaking dentist Vienna", "dental implants Vienna", "emergency dentist Vienna", "Vienna dental clinic for expats".
| ✓ | Mentioned for: best dentist Vienna [sq] | 1/1 |
| ✗ | Mentioned for: English speaking dentist Vienna [sq] | 0/1 |
| ✗ | Mentioned for: dental implants Vienna [sq] | 0/1 |
| ✗ | Mentioned for: emergency dentist Vienna [sq] | 0/1 |
| ✗ | Mentioned for: Vienna dental clinic for expats [sq] | 0/1 |
| ? | Structured data on website | 0/1.5 |
| ✓ | Google indexing quality [sq] | 2/2 |
| ? | 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
| Dentist | Specialization | Licence No. |
|---|---|---|
| Dr. Roberto Lhotka [s1] [dr-roberto-lhotka-doclic] [dr-roberto-lhotka-doclic-2] | General and preventive dentistry | Niedergelassen — Landeszahnärztekammer für Wien, Köllnerhofgasse 6, 1010 Wien |
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: Real clinic photos
- Information Transparency: English website version
- 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: On-site X-ray
- Medical Infrastructure: CBCT (3D imaging)
- Medical Infrastructure: Implantology
- Medical Infrastructure: Orthodontics
- Medical Infrastructure: Oral surgery
- Medical Infrastructure: Pediatric dentistry
- Medical Infrastructure: Works with international patients
- Communication & Service: WhatsApp / LINE available
- Communication & Service: Response speed
- Communication & Service: English spoken
- Communication & Service: Pre-visit consultation possible
- Communication & Service: Clear service explanations
- AI & Search Visibility: Structured data on website
- 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://drlhotka.com/ |
|---|---|
| Phone | +43 1 512 588 1 |
| https://www.facebook.com/DrRobertoLhotka/ | |
| Google Maps | Map listing |
| Address | Köllnerhofgasse 6, 1010 Wien, Austria |
Contact details are provided for identification only and may change; verify with the clinic directly.
Sources
| ID | Source | What it supports | Accessed |
|---|---|---|---|
| s1 | https://drlhotka.com/ | Name, dentist, services since 1998, Pinhole technique. | 2026-07-12 |
| s2 | https://www.herold.at/gelbe-seiten/wien/lBM3b/zahnarzt-dr-roberto-l… | Address, phone, hours, platform presence. | 2026-07-12 |
| sq | search:best dentist Vienna | AI/search visibility scout 2026-07-12 | 2026-07-12 |
| dr-roberto-lhotka-refresh | https://www.google.com/maps/place/Zahnarzt+Dr.+Roberto+Lhotka+-+Pri… | Google rating 4.7 (106 reviews) as of 2026-08-25 | 2026-08-25 |
| dr-roberto-lhotka-doclic | https://wr.zahnaerztekammer.at/patientinnen/zahnaerztinnensuche | searched: Nachname=Lhotka — returned 'Lhotka Roberto (Dr.)' at Köllnerhofgasse 6, 1010 Wien, Niedergelassen — matches the clinic's address exactly. | 2026-08-26 |
| dr-roberto-lhotka-doclic-2 | https://www.gesundheit.gv.at/gda.html?term=Lhotka&state=Wien&category= | GDA-Suche cross-check: 'Dr. ROBERTO LHOTKA', Köllnerhofgasse 6, 1010 Wien (listed under category Ärztin/Arzt in this index; chamber register above confirms dental registration). | 2026-08-26 |
Change History
| Date | Change |
|---|---|
| 2026-08-26 | License verification 2026-08-26 against Landeszahnärztekammer für Wien and GDA-Suche: Dr. Roberto Lhotka confirmed registered/Niedergelassen at the clinic's address; no separate clinic-level facility licence exists for this solo Ordination. |
| 2026-08-25 | Re-verification 2026-08-25: confirmed website live, address, and open status; Google Maps confirms stored phone +43 1 512 588 1 (a same-day site re-read had suggested a different number, but Maps agrees with the stored value, so no phone change made); captured first Google rating 4.7 (106 reviews). |
| 2026-07-12 | Initial data collection. |
A question or a correction?
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