Dental Opsis Clinic
According to our open methodology, this clinic scored 65/100 for transparency, reputation, service accessibility, and digital visibility.
Overall rank: #4 of 20 ranked clinics · Last checked: 17 September 2026
Positions by Rating Profile
- Overall Transparency & Trust#465/100
- Best for Expats#364.5/100
- Best for Dental Implants#659/100
- Best for Emergency Dental Care#367/100
- Best Price Transparency#344.9/100
- Best English-speaking Clinics#369.3/100
- 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 sedation/GA info found on site (dentalopsisclinic.gr)
Summary
Multidisciplinary dental clinic near Kolonaki led by Dr. Lydia Tsiorva, offering prosthodontics, implants and full-arch rehabilitation with services for international patients and an emergency line.
Strengths
- Information Transparency: 18 of 20 points.
- Reputation & Reviews: 19 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)
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 [s_do] | 4/4 |
| ✓ | Dentist names listed [dental-opsis-clinic-athens-doclic] | 3/3 |
| ✗ | Dentist specializations listed [s_do] | 0/2 |
| ✓ | Real clinic photos Google listing photo (business-uploaded, 2025-09-05) shows a real treatment room with chair and monitor [dental-opsis-clinic-athens-deepen-6] | 2/2 |
| ✓ | Service list published [s_do] | 3/3 |
| ✓ | Clear contact details [s_do] | 2/2 |
| ✓ | English website version [s_do] | 2/2 |
| ✓ | Address and map published [s_do] | 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 [dental-opsis-clinic-athens-refresh] | 6/6 |
| ◐ | Google review volume [dental-opsis-clinic-athens-refresh] | 2.5/3 |
| ✓ | Review recency as of 2026-09-17 [dental-opsis-clinic-athens-deepen-7] | 3/3 |
| ✓ | Clinic responds to reviews Owner replies to all 5 readable reviews [dental-opsis-clinic-athens-deepen-8] | 2/2 |
| ✓ | No recurring complaints Histogram [1:5,2:0,3:0,4:0,5:313] of 318; low-star share 1.6%, no repeated complaint in readable reviews [dental-opsis-clinic-athens-deepen-9] | 2/2 |
| ✓ | No suspicious review patterns Histogram [1:5,2:0,3:0,4:0,5:313]; dates spread 2024-2026, reviewer accounts carry history (e.g. Local Guide, 47 reviews) [dental-opsis-clinic-athens-deepen] | 2/2 |
| ✓ | Active Facebook presence [s_do] | 1/1 |
| ✗ | TripAdvisor presence TripAdvisor's own search returns no match [dental-opsis-clinic-athens-deepen-2] | 0/0.5 |
| ✓ | Other review platforms [s_dovrisko] | 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 [s_do] | 2/2 |
| ✓ | Orthodontics [s_do] | 2/2 |
| ✓ | Oral surgery Tooth extractions listed among general dentistry services [dental-opsis-clinic-athens-deepen-3] | 2/2 |
| ✗ | Pediatric dentistry Full service menu (6 dedicated pages) read; no pediatric dentistry listed [dental-opsis-clinic-athens-deepen-4] | 0/1.5 |
| ✓ | Emergency care Emergency line +30 6970334400 listed. [s_do] | 1.5/1.5 |
| ✓ | Works with international patients [s_do] | 2/2 |
Communication & Service
How easy it is to contact the clinic, get answers, and book - especially for international patients.
| ✓ | WhatsApp / LINE available Booking page directs patients to WhatsApp outside normal hours [dental-opsis-clinic-athens-deepen-5] | 2/2 |
| ? | Response speed | 0/1.5 |
| ✓ | English spoken [s_do] | 2.5/2.5 |
| ? | Pre-visit consultation possible | 0/1.5 |
| ✓ | Clear service explanations [s_do] | 1/1 |
| ✓ | Convenient opening hours Mon-Fri 09:00-21:00. [s_do] | 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 Greece", "English speaking dentist Greece", "dental implants Greece", "emergency dentist Greece", "Greece dental clinic for expats".
| ✗ | Mentioned for: best dentist Greece [sq] | 0/1 |
| ✓ | Mentioned for: English speaking dentist Greece [sq] | 1/1 |
| ✗ | Mentioned for: dental implants Greece [sq] | 0/1 |
| ✗ | Mentioned for: emergency dentist Greece [sq] | 0/1 |
| ✓ | Mentioned for: Greece dental clinic for expats [sq] | 1/1 |
| ✓ | Structured data on website Organization JSON-LD on every page read [s_do] | 1.5/1.5 |
| ? | Google indexing quality | 0/2 |
| ✓ | Dedicated service pages [s_do] | 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: not checked against public sources yet — unverified, no penalty
Dentists & professional licences
| Dentist | Specialization | Licence No. | Notes |
|---|---|---|---|
| Dr. Lydia Tsiorva [s_do] [s_dovrisko] [dental-opsis-clinic-athens-doclic] | — | not published | No public register publishes individual dentist licences in this country. |
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: Pre-visit consultation possible
- 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://dentalopsisclinic.gr/ |
|---|---|
| Phone | +302110033071 |
| https://www.facebook.com/dentalopsisclinic/ | |
| Google Maps | Map listing |
| Address | Kanari 24, 10675 Athens, Greece |
Contact details are provided for identification only and may change; verify with the clinic directly.
Sources
| ID | Source | What it supports | Accessed |
|---|---|---|---|
| s_do | https://dentalopsisclinic.gr/ | JSON-LD present on 40/40 pages read including an Organization block (name, url, sameAs Instagram/TikTok/Pinterest) | 2026-09-17 |
| s_dovrisko | https://www.vrisko.gr/en/details/b00_6j1c30b64g7jc5cf34a15hc52c33 | Directory listing (Tsiorva Lydia D.), Kolonaki | 2026-07-12 |
| sq | search:best dentist Athens / English speaking dentist Athens / dental implants Athens / emergency dentist Athens / Athens dental clinic for expats | AI/search visibility scout 2026-07-12 | 2026-07-12 |
| dental-opsis-clinic-athens-refresh | https://www.google.com/maps/place/Dental+Opsis+Clinic/@37.9768888,2… | Google rating 4.9 (318 reviews) as of 2026-08-25 | 2026-08-25 |
| dental-opsis-clinic-athens-doclic | https://www.osanet.gr/images/uploads/astheneis_koino/dental_netlist… | Dental Association of Attica member register (already-cited live source): "Lydia Tsiorva (father's given name also on file), practice at Kanari 24, Athens 10675" - exact match to this clinic's address (vrisko.gr directory listing, previously cited, is now dead). | 2026-08-26 |
| dental-opsis-clinic-athens-deepen | https://www.google.com/maps?cid=2105586525365688095&hl=en | 5-star share 98.4% of 318 (not literal 100%); readable review dates spread 2024-12 to 2026-07; accounts include Local Guides with 11-47 reviews, not single-review throwaways | 2026-09-17 |
| dental-opsis-clinic-athens-deepen-2 | https://www.tripadvisor.com/TypeAheadJson?action=API&query=Dental+O… | TripAdvisor TypeAheadJson response for the exact clinic name + city returns only generic geo entries (e.g. "Athens, Attica, Greece"), no matching attraction; the clinic's own site and Google listing carry no TripAdvisor reference either | 2026-09-17 |
| dental-opsis-clinic-athens-deepen-3 | https://dentalopsisclinic.gr/our-services/ | Services page: "...routine cleanings to fillings and tooth extractions"; a separate FAQ note on the same page covers post-extraction care | 2026-09-17 |
| dental-opsis-clinic-athens-deepen-4 | https://dentalopsisclinic.gr/service/ | Complete service menu: Periodontics, Prosthodontics, Orthodontics, Endodontics, General dentistry, Dental implants -- no pediatric/children's dentistry page or mention | 2026-09-17 |
| dental-opsis-clinic-athens-deepen-5 | https://dentalopsisclinic.gr/book-appointment/ | Booking page: "...outside our normal hours you may not find available, please contact us by whatsapp, phone or email." | 2026-09-17 |
| dental-opsis-clinic-athens-deepen-6 | https://www.google.com/maps?cid=2105586525365688095&hl=en | Google Business Profile photo strip, photo uploaded 2025-09-05 (source bizbuilder:gmb_on_local_universal_desktop): treatment room with dental chair, monitor and equipment | 2026-09-17 |
| dental-opsis-clinic-athens-deepen-7 | https://www.google.com/maps?cid=2105586525365688095&hl=en | Newest review shown dated 2026-07-17 (about 2 months before this check) | 2026-09-17 |
| dental-opsis-clinic-athens-deepen-8 | https://www.google.com/maps?cid=2105586525365688095&hl=en | All 5 readable reviews carry an owner reply, e.g. 2026-04-28 reply to Maria Almeida: "Thank you so much for your wonderful and detailed feedback!..." | 2026-09-17 |
| dental-opsis-clinic-athens-deepen-9 | https://www.google.com/maps?cid=2105586525365688095&hl=en | Star histogram 5/0/0/0/313 of 318 reviews; the 5 readable reviews are all positive with no shared complaint theme | 2026-09-17 |
Change History
| Date | Change |
|---|---|
| 2026-09-17 | Re-read on 2026-09-17: the clinic's website (services, FAQ, booking and contact pages) and its Google listing. Recorded: tooth extractions among documented services; no pediatric dentistry in the full service menu; WhatsApp offered as a contact channel outside opening hours; a genuine Google-listing photo of a treatment room; structured data present on the site; Google 4.9 from 318 reviews, newest 2026-07-17, owner replies on all readable reviews, no recurring-complaint or manipulation pattern in the histogram. Still unverified: TripAdvisor and other review-platform presence (TripAdvisor checked, no listing found). |
| 2026-08-26 | Link-rot cleanup 2026-08-26: vrisko.gr directory listing (s_dovrisko) confirmed dead. dentistNamesListed and the Dr. Lydia Tsiorva doctor entry re-declared onto the already-live O.S.A. member register (doclic), which independently confirms her by name and practice address (exact match). reputation.onOtherPlatforms has no live alternative "other platform" source and is left unresolved; s_dovrisko remains cited (via onOtherPlatforms and the doctor entry, union-merge), not pruned. |
| 2026-08-26 | Link-rot cleanup 2026-08-26: pruning 1 dead source(s) confirmed unreachable in an external-link check (checked 2026-08-26) and re-confirmed dead by direct recheck where applicable. s_dovrisko [https://www.vrisko.gr/en/details/b00_6j1c30b64g7jc5cf34a15hc52c33]: https://www.vrisko.gr/en/details/b00_6j1c30b64g7jc5cf34a15hc52c33 (HTTP 404, rotten) |
| 2026-08-25 | License verification 2026-08-25 against O.S.A. dentist register: Dr. Lydia Tsiorva found as a registered member, with practice address matching the clinic exactly. No clinic-scope registry exists to check the clinic itself. |
| 2026-08-25 | Re-verification 2026-08-25: confirmed website live, address and phone unchanged, clinic open; recorded Google Maps URL/geo and rating 4.9 (318 reviews, newly captured). |
| 2026-07-12 | Initial data collection. |
A question or a correction?
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