DieZahn – Dr. Yvonne Sikora
According to our open methodology, this clinic scored 44.4/100 for transparency, reputation, service accessibility, and digital visibility.
Overall rank: #24 of 26 ranked clinics · Last checked: 23 September 2026
Positions by Rating Profile
- Overall Transparency & Trust#2444.4/100
- Best for Expatsnot ranked
- Best for Dental Implants#2537.5/100
- Best for Emergency Dental Carenot ranked
- Best Price Transparency#2332.3/100
- Best English-speaking Clinicsnot ranked
- Best for Families / Children#1546.2/100
- 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
Solo dental practice in Graz's city centre (Schmiedgasse) run by Dr. Yvonne Sikora, focused on anxiety-sensitive care for adults and children, offering periodontal treatment, cosmetic dentistry, prosthodontics and paediatric dentistry under contract with SVS and KFA insurance.
Strengths
- Information Transparency: 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: 1.5 of 8 verifiable points (missing: mentioned for: best dentist Austria; mentioned for: English speaking dentist Austria; mentioned for: dental implants Austria; mentioned for: emergency dentist Austria; mentioned for: Austria dental clinic for expats; dedicated service pages)
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] | 0/2 |
| ✓ | Real clinic photos Professional photography of the practice included. [s1] | 2/2 |
| ✓ | Service list published [s1] | 3/3 |
| ✓ | Clear contact details [s1] | 2/2 |
| ✗ | English website version [s1] | 0/2 |
| ✓ | 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 2026-09-23 [diezahn-sikora-deepen-14] | 4/6 |
| ◐ | Google review volume as of 2026-09-23 [diezahn-sikora-deepen-14] | 1/3 |
| ◐ | Review recency Most recent visible reviews ~4 months before the check. [sm] | 1.5/3 |
| ✓ | Clinic responds to reviews Owner replies visible on all reviews shown. [sm] | 2/2 |
| ✓ | No recurring complaints No recurring complaint theme; 1-2 star reviews are 3% of 33 [diezahn-sikora-deepen-6] | 2/2 |
| ✓ | No suspicious review patterns No manipulation signal: histogram not uniform, mixed account histories [diezahn-sikora-deepen] | 2/2 |
| ✗ | Active Facebook presence Facebook searches by the practice name with the city, by its phone number and by its website domain found no page of the clinic [diezahn-sikora-deepen-15] [diezahn-sikora-deepen-16] | 0/1 |
| ✗ | TripAdvisor presence No listing in TripAdvisor's own search; the clinic's site links no TripAdvisor profile [diezahn-sikora-deepen-3] [diezahn-sikora-deepen-4] [diezahn-sikora-deepen-5] | 0/0.5 |
| ✓ | Other review platforms 2 reviews, 5.0 rating on DocFinder as of 2026-09-01. [sd] | 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 Implant treatment documented, from single-tooth to complex cases [diezahn-sikora-deepen-7] | 2/2 |
| ✗ | Orthodontics Full leistungen page read; no orthodontic treatment listed [diezahn-sikora-deepen-8] | 0/2 |
| ✓ | Oral surgery Extractions, wisdom teeth and cyst surgery documented with a collaborating MKG surgeon [diezahn-sikora-deepen-2] | 2/2 |
| ✓ | Pediatric dentistry [s1] | 1.5/1.5 |
| ✗ | Emergency care Full leistungen page read; no emergency/same-day care documented [diezahn-sikora-deepen-9] | 0/1.5 |
| ✗ | Works with international patients Full site read; no international-patient documentation found [diezahn-sikora-deepen-10] | 0/2 |
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 Site offers direct online consultation booking [diezahn-sikora-deepen-11] | 1.5/1.5 |
| ✓ | Clear service explanations Leistungen page explains each treatment area in detailed paragraphs [diezahn-sikora-deepen-12] | 1/1 |
| ✓ | Convenient opening hours Tue/Wed sessions run 14:00-19:00 (evening hours). [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 Austria", "English speaking dentist Austria", "dental implants Austria", "emergency dentist Austria", "Austria dental clinic for expats".
| ✗ | Mentioned for: best dentist Austria [sqa] | 0/1 |
| ✗ | Mentioned for: English speaking dentist Austria [sqb] | 0/1 |
| ✗ | Mentioned for: dental implants Austria [sqc] | 0/1 |
| ✗ | Mentioned for: emergency dentist Austria [sqd] | 0/1 |
| ✗ | Mentioned for: Austria dental clinic for expats [sqe] | 0/1 |
| ✓ | Structured data on website JSON-LD includes Organization and Person entities [s1] | 1.5/1.5 |
| ? | Google indexing quality | 0/2 |
| ✗ | Dedicated service pages Single combined Leistungen page; no per-service pages [diezahn-sikora-deepen-13] | 0/1.5 |
Ranking leaders in AI answers
The queries above are this index's own check. The three leading clinics have also been measured in full: how often ChatGPT and Gemini name them when a patient asks them to recommend a dentist.
- #1Zahnklinik Wien Döbling9.5 of 100View report → report in German
- #2Zahnärzte am Stadtpark25 of 100View report → report in German
- #3Zahnartist (DDr. Emina Kabil, MSc)0 of 100View report → report in German
Measured by Ansmeter, 8 October 2026. Ansmeter is an affiliated service. Its figure is not part of this rating and does not affect positions — scores change only when public data changes.
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 & dental chamber register entries
| Dentist | Specialization | Chamber entry | Notes |
|---|---|---|---|
| Dr. Yvonne Sikora [sr] | General dentistry | not published | Confirmed on the public register of Landeszahnärztekammer Steiermark, which publishes no licence number. |
Red Flags
No red flags identified in the public sources we reviewed.
Data We Could Not Verify
- Medical Infrastructure: On-site X-ray
- Medical Infrastructure: CBCT (3D imaging)
- Communication & Service: Response speed
- Communication & Service: English spoken
- AI & Search Visibility: Google indexing quality
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://diezahn.at/ |
|---|---|
| Phone | +43 316 832796 |
| Google Maps | Map listing |
| Address | Schmiedgasse 29, 8010 Graz, 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://diezahn.at/ | Structured data types found: Person, Organization, WebSite, ImageObject, WebPage, Article and others | 2026-09-23 |
| sr | https://stmk.zahnaerztekammer.at/patientinnen/zahnaerztinnensuche | Landeszahnärztekammer Steiermark search form: Nachname = "Sikora" returned "Sikora Yvonne (Dr.)", Schmiedgasse 29, 8010 Graz, Tel 0316/832796, Art der Berufsausübung: Niedergelassen — matches the clinic address and phone. | 2026-09-01 |
| sm | https://www.google.com/maps/place/Dr.+Yvonne+Sikora+-+diezahn/@47.0… | Google rating 4.8 (33 reviews) as of 2026-09-01, address, geo, review text, owner replies. | 2026-09-01 |
| sd | https://www.docfinder.at/zahnarzt/8010-graz/dr-yvonne-sikora | DocFinder rating 5.0 (2 reviews) as of 2026-09-01. | 2026-09-01 |
| sqa | search:best dentist Graz | AI/search visibility scout 2026-09-01 | 2026-09-01 |
| sqb | search:English speaking dentist Graz | AI/search visibility scout 2026-09-01 | 2026-09-01 |
| sqc | search:dental implants Graz | AI/search visibility scout 2026-09-01 | 2026-09-01 |
| sqd | search:emergency dentist Graz | AI/search visibility scout 2026-09-01 | 2026-09-01 |
| sqe | search:Graz dental clinic for expats | AI/search visibility scout 2026-09-01 | 2026-09-01 |
| diezahn-sikora-deepen | https://www.google.com/maps?cid=12900174716089048332&hl=en | Histogram 94% five-star (not literally 100%) of 33; sampled reviews dated 2025-12 to 2026-06 from accounts with 1-11 prior reviews | 2026-09-23 |
| diezahn-sikora-deepen-2 | https://diezahn.at/leistungen/ | Chirurgie section: "Zahnextraktionen, auch von Weisheitszahnen... Behandlung von Zysten und Entzundungen mittels Wurzelspitzenresektion", performed with Dr. Dr. Markus Merkl, MKG surgeon | 2026-09-23 |
| diezahn-sikora-deepen-3 | https://www.tripadvisor.com/TypeAheadJson?action=API&query=diezahn | TripAdvisor search for "diezahn" on 2026-09-23 returned 0 results, none of them this clinic | 2026-09-23 |
| diezahn-sikora-deepen-4 | https://www.tripadvisor.com/TypeAheadJson?action=API&query=Yvonne%2… | TripAdvisor search for "Yvonne Sikora" on 2026-09-23 returned 12 results (5 attraction, 7 hotel), none of them this clinic | 2026-09-23 |
| diezahn-sikora-deepen-5 | https://diezahn.at/sitemap_index.xml | Clinic site read in full on 2026-09-23 (11 pages from its sitemap and menus): no TripAdvisor link or profile mentioned | 2026-09-23 |
| diezahn-sikora-deepen-6 | https://www.google.com/maps?cid=12900174716089048332&hl=en | Histogram 1★1 2★0 3★1 4★0 5★31 of 33; the 5 most relevant reviews read are all 5-star with owner replies, no complaint pattern | 2026-09-23 |
| diezahn-sikora-deepen-7 | https://diezahn.at/leistungen/ | "Implantologie: von der Einzelzahnversorgung bis zur komplexen Implantatversorgung" | 2026-09-23 |
| diezahn-sikora-deepen-8 | https://diezahn.at/leistungen/ | Full services page covers Zahnerhalt, Parodontologie, Chirurgie, Asthetik, Zahnersatz, Kinderzahnheilkunde; no Kieferorthopadie/Zahnspange/Aligner entry | 2026-09-23 |
| diezahn-sikora-deepen-9 | https://diezahn.at/leistungen/ | Full services page has no Notfall/Notdienst or same-day emergency entry | 2026-09-23 |
| diezahn-sikora-deepen-10 | https://diezahn.at/leistungen/ | No mention of foreign-language service, insurance for foreigners or dental tourism | 2026-09-23 |
| diezahn-sikora-deepen-11 | https://diezahn.at/leistungen/ | "Jetzt Ihren Beratungstermin vereinbaren" (book your consultation appointment now) with a booking link | 2026-09-23 |
| diezahn-sikora-deepen-12 | https://diezahn.at/leistungen/ | E.g. Parodontalbehandlung: multi-sentence explanation of periodontitis, detection and treatment approach, repeated for every service category | 2026-09-23 |
| diezahn-sikora-deepen-13 | https://diezahn.at/leistungen/ | Sitemap (11 URLs) has one services page covering all treatment categories; no separate pages per treatment | 2026-09-23 |
| diezahn-sikora-deepen-14 | https://www.google.com/maps?cid=12900174716089048332&hl=en | Google listing 2026-09-23: 4.8 from 33 reviews; histogram 5★ 31 / 4★ 0 / 3★ 1 / 2★ 0 / 1★ 1 | 2026-09-23 |
| diezahn-sikora-deepen-15 | https://www.facebook.com/ | Facebook searches on 2026-09-30 by the practice name with the city, by its phone number and by its website domain: no page of the clinic | 2026-09-30 |
| diezahn-sikora-deepen-16 | https://diezahn.at/ | Home page read 2026-09-30: no link to a Facebook page of the clinic | 2026-09-30 |
Change History
| Date | Change |
|---|---|
| 2026-09-30 | Searched Facebook for the clinic by the practice name with the city, by its phone number and by its website domain; none of the searches found a page of the clinic, and its website links none. Recorded absence from Facebook. |
| 2026-09-23 | Re-read on 2026-09-23: the clinic's website (all 11 pages, including the full services page) and its Google listing, plus TripAdvisor's own search. Recorded: implants, extractions including wisdom teeth, and cyst surgery with a collaborating oral surgeon; no orthodontic, emergency or international-patient documentation; online consultation booking; detailed treatment explanations; structured data present but no separate service pages; Google rating 4.8 from 33 reviews with no recurring complaints or signs of review manipulation; no TripAdvisor listing. Still unverified: X-ray and CBCT equipment (the site does not describe its equipment), Facebook presence and whether staff speak English. |
| 2026-09-01 | Initial research |
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.