Polichroniadou Ioanna ~ Dental Studio
According to our open methodology, this clinic scored 58.9/100 for transparency, reputation, service accessibility, and digital visibility.
Overall rank: #9 of 20 ranked clinics · Last checked: 17 September 2026
58.9/100
Positions by Rating Profile
- Overall Transparency & Trust#958.9/100
- Best for Expats#759/100
- Best for Dental Implants#855/100
- Best for Emergency Dental Care#564.8/100
- Best Price Transparency#941/100
- Best English-speaking Clinics#663.3/100
- Best for Families / Children#566/100
- 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
Aesthetic, implant and pediatric dental studio in central Thessaloniki led by Dr. Ioanna Polichroniadou (branded POLICHRONIADOU ADVANCED DENTISTRY), with a very large verified Google review base and WhatsApp-based patient contact per reviews.
Strengths
- Information Transparency: 18 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 Greece; mentioned for: English speaking dentist Greece; mentioned for: dental implants Greece; mentioned for: emergency dentist Greece; mentioned for: Greece dental clinic for expats; structured data on website)
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
18 / 20
Whether basic facts about the clinic - its team, premises, services, and location - are publicly verifiable.
| ✓ | Has a working website [s_web] | 4/4 |
| ✓ | Dentist names listed [s_web] [s_maps] | 3/3 |
| ✓ | Dentist specializations listed Aesthetic dentistry, implantology, endodontics, pediatric dentistry, periodontics, orthodontics, laser dentistry. [s_web] | 2/2 |
| ✓ | Real clinic photos Google listing photo shows the genuine reception area [polichroniadou-dental-studio-thessaloniki-deepen-5] | 2/2 |
| ✓ | Service list published [s_web] | 3/3 |
| ✓ | Clear contact details [s_web] | 2/2 |
| ✗ | English website version Site is Greek-language only; no English toggle found. [s_web] | 0/2 |
| ✓ | Address and map published [s_maps] | 2/2 |
Price Transparency
0 / 15
Whether patients can estimate costs before visiting. Published price ranges count; exact prices are not required.
Reputation & Reviews
15.5 / 20
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 2026-09-17 [polichroniadou-dental-studio-thessaloniki-deepen-6] | 6/6 |
| ◐ | Google review volume as of 2026-09-17 [polichroniadou-dental-studio-thessaloniki-deepen-7] | 2.5/3 |
| ✓ | Review recency Most recent visible review 2 months old (2026-08-27 check). [s_maps] | 3/3 |
| ✗ | Clinic responds to reviews None of the 14 reviews read on Google carries an owner reply, including the 11 dated 2025-03-30 to 2026-09-19. [polichroniadou-dental-studio-thessaloniki-deepen-10] | 0/2 |
| ✓ | No recurring complaints Histogram [1:12,2:0,3:1,4:1,5:434] of 448; one isolated complaint, not repeated [polichroniadou-dental-studio-thessaloniki-deepen] | 2/2 |
| ✓ | No suspicious review patterns Histogram [1:12,2:0,3:1,4:1,5:434]; dates spread 2024-2026, accounts carry history [polichroniadou-dental-studio-thessaloniki-deepen] [polichroniadou-dental-studio-thessaloniki-deepen-8] | 2/2 |
| ✗ | Active Facebook presence The dentist's Facebook page (same phone) has not posted since October 2021 and has 7 reviews, while the clinic's website is live (checked 2026-10-02). [polichroniadou-dental-studio-thessaloniki-fb] | 0/1 |
| ✗ | TripAdvisor presence TripAdvisor's own search returns no match [polichroniadou-dental-studio-thessaloniki-deepen-2] | 0/0.5 |
| ✗ | Other review platforms No profile of the clinic on WhatClinic, vrisko.gr, Trustpilot, Bookimed or Dental Departures; none in Doctoranytime's doctor sitemap either (checked 2026-10-02). [polichroniadou-dental-studio-thessaloniki-platforms] [polichroniadou-dental-studio-thessaloniki-platforms-2] [polichroniadou-dental-studio-thessaloniki-platforms-3] [polichroniadou-dental-studio-thessaloniki-platforms-4] [polichroniadou-dental-studio-thessaloniki-platforms-5] [polichroniadou-dental-studio-thessaloniki-platforms-6] | 0/0.5 |
Medical Infrastructure
11 / 15
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_web] | 2/2 |
| ✓ | Orthodontics [s_web] | 2/2 |
| ✓ | Oral surgery Implant placement described as a surgical procedure [polichroniadou-dental-studio-thessaloniki-deepen-3] | 2/2 |
| ✓ | Pediatric dentistry [s_web] | 1.5/1.5 |
| ✓ | Emergency care Google Maps lists hours as 'Open 24 hours'; a reviewer also describes being seen outside regular hours. [s_maps] | 1.5/1.5 |
| ✓ | Works with international patients Reviews from international patients (e.g. a US-based reviewer) and clinic responsiveness via WhatsApp per reviews. [s_maps] | 2/2 |
Communication & Service
7 / 10
How easy it is to contact the clinic, get answers, and book - especially for international patients.
| ✓ | WhatsApp / LINE available Reviewer: "Ioanna replied to my whatsapp message even on sunday night..." [s_maps] | 2/2 |
| ? | Response speed | 0/1.5 |
| ✓ | English spoken Multiple English-language reviews from international patients describing clear communication. [s_maps] | 2.5/2.5 |
| ✗ | Pre-visit consultation possible Contact page read; only a general appointment-request form, no consultation/estimate offer [polichroniadou-dental-studio-thessaloniki-deepen-4] | 0/1.5 |
| ✓ | Clear service explanations [s_web] | 1/1 |
| ✓ | Convenient opening hours Listed as open 24 hours. [s_maps] | 1.5/1.5 |
AI & Search Visibility
1.5 / 10
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 [aivnatl] | 0/1 |
| ✗ | Mentioned for: English speaking dentist Greece [aivnatl] | 0/1 |
| ✗ | Mentioned for: dental implants Greece [aivnatl] | 0/1 |
| ✗ | Mentioned for: emergency dentist Greece [aivnatl] | 0/1 |
| ✗ | Mentioned for: Greece dental clinic for expats [aivnatl] | 0/1 |
| ✗ | Structured data on website No JSON-LD found on any page read [polichroniadou-dental-studio-thessaloniki-deepen-9] | 0/1.5 |
| ? | Google indexing quality | 0/2 |
| ✓ | Dedicated service pages Separate pages per specialty and sub-treatment [s_web] | 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. |
|---|---|---|
| Dr. Ioanna Polichroniadou [s_web] | Aesthetic, implant & pediatric dentistry | 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
- Medical Infrastructure: On-site X-ray
- Medical Infrastructure: CBCT (3D imaging)
- Communication & Service: Response speed
- 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://polichroniadoudental.gr/ |
|---|---|
| Phone | +306977155749 |
| Google Maps | Map listing |
| Address | Ermou 75, Thessaloniki 546 23, Greece |
Contact details are provided for identification only and may change; verify with the clinic directly.
Sources
| ID | Source | What it supports | Accessed |
|---|---|---|---|
| s_web | https://polichroniadoudental.gr/ | Sitemap-confirmed dedicated pages per specialty: implants, aesthetic dentistry (with veneer/crown/whitening sub-pages), pediatric dentistry, endodontics, periodontology, orthodontics, laser | 2026-09-17 |
| s_maps | https://www.google.com/maps/search/Polichroniadou%20Ioanna%20Dental… | Address, phone, rating 4.9 (444 reviews), hours, reviews | 2026-08-27 |
| s_lic | https://www.osth.gr/ | Dental Association of Thessaloniki registry portal; its 'Directory of Licensed Dental Practices' name-search tool tested 2026-08-27, returned no browsable result for this practice | 2026-08-27 |
| sq | search:dentist Thessaloniki Greece (Google Maps) | AI/search visibility scout 2026-08-27 | 2026-08-27 |
| aivnatl | search:best dentist Greece / English speaking dentist Greece / dental implants Greece / emergency dentist Greece / Greece dental clinic for expats | National AI/search-visibility scout — 5 canonical national queries run once each (gl=gr to disambiguate from Greece, NY); presence checked on page-1 organic results, local pack, and People-Also-Ask. Not found for this clinic at national query scope (Athens clinics dominate national results). | 2026-08-28 |
| polichroniadou-dental-studio-thessaloniki-deepen | https://www.google.com/maps?cid=17971711474629839333&hl=en | Star histogram 12/0/1/1/434 of 448 (2.7% low-star); the single readable negative review (wrong teeth examined, per ahmet ozgonul) is not echoed by any other readable review | 2026-09-17 |
| polichroniadou-dental-studio-thessaloniki-deepen-2 | https://www.tripadvisor.com/TypeAheadJson?action=API&query=Polichro… | TripAdvisor TypeAheadJson response for the clinic name returns only unrelated Thessaloniki listings (e.g. an apartment studio), no matching attraction; the clinic's own site carries no TripAdvisor reference | 2026-09-17 |
| polichroniadou-dental-studio-thessaloniki-deepen-3 | https://polichroniadoudental.gr/%ce%bf%ce%b4%ce%bf%ce%bd%cf%84%ce%b… | Implants page (Greek): states that the implant is surgically placed in the bone of the upper or lower jaw | 2026-09-17 |
| polichroniadou-dental-studio-thessaloniki-deepen-4 | https://polichroniadoudental.gr/%CE%B5%CF%80%CE%B9%CE%BA%CE%BF%CE%B… | Contact page offers only a generic appointment-request form (name/email/phone/message); no free-consultation or treatment-estimate language | 2026-09-17 |
| polichroniadou-dental-studio-thessaloniki-deepen-5 | https://www.google.com/maps?cid=17971711474629839333&hl=en | Google Business Profile photo (business-uploaded 2026-01-28): the clinic's actual reception desk with a staff member present, not stock imagery | 2026-09-17 |
| polichroniadou-dental-studio-thessaloniki-deepen-6 | https://www.google.com/maps?cid=17971711474629839333&hl=en | Google listing 2026-09-17: 4.9 from 448 reviews (was 444 at the 2026-08-27 check); histogram 1★12 / 2★0 / 3★1 / 4★1 / 5★434 | 2026-09-17 |
| polichroniadou-dental-studio-thessaloniki-deepen-7 | https://www.google.com/maps?cid=17971711474629839333&hl=en | Google listing 2026-09-17: 448 reviews (grew from 444 at the 2026-08-27 check) | 2026-09-17 |
| polichroniadou-dental-studio-thessaloniki-deepen-8 | https://www.google.com/maps?cid=17971711474629839333&hl=en | 5-star share 96.9% of 448 (not literal 100%); readable review dates spread 2024-01 to 2026-06; accounts include reviewers with 6-9 reviews, not single-review throwaways | 2026-09-17 |
| polichroniadou-dental-studio-thessaloniki-deepen-9 | https://polichroniadoudental.gr/ | 0 of 28 pages read carry any JSON-LD block | 2026-09-17 |
| polichroniadou-dental-studio-thessaloniki-platforms | https://www.whatclinic.com/dentists/greece/thessaloniki | WhatClinic: its Thessaloniki listing (3 pages, all 22 clinics it announces) and its Greece listing (12 pages, all 139) read page by page and checked against its clinic-profile sitemaps (171 Greek profiles; the 32 not shown in the listings opened) and direct profile addresses for the clinic's name — no profile of this clinic; the one listing on Ermou street is another dentist at Ermou 73 (checked 2026-10-02) | 2026-10-02 |
| polichroniadou-dental-studio-thessaloniki-platforms-2 | https://www.vrisko.gr/search/%CE%A0%CE%BF%CE%BB%CF%85%CF%87%CF%81%C… | vrisko.gr: its search for the surname Polychroniadou in Thessaloniki (three entries, none a dentist at Ermou 75) returns no listing at the clinic's address or telephone (checked 2026-10-02) | 2026-10-02 |
| polichroniadou-dental-studio-thessaloniki-platforms-3 | https://www.trustpilot.com/review/polichroniadoudental.gr | Trustpilot: no company page for polichroniadoudental.gr (page not found, checked 2026-10-02) | 2026-10-02 |
| polichroniadou-dental-studio-thessaloniki-platforms-4 | https://us-uk.bookimed.com/clinics/country=greece/direction=dentistry/ | Bookimed: its Greece dentistry ranking shows three verified clinics, none of them this one, and none of the 2,127 clinic pages in its clinic sitemap is this clinic (checked 2026-10-02) | 2026-10-02 |
| polichroniadou-dental-studio-thessaloniki-platforms-5 | https://www.dentaldepartures.com/ | Dental Departures: its clinic search has no Greece location and lists no clinic in Greece (checked 2026-10-02) | 2026-10-02 |
| polichroniadou-dental-studio-thessaloniki-platforms-6 | https://www.doctoranytime.gr/sitemaps/doctors/doctors.aspx | Doctoranytime: its doctor sitemap (archived copy of 2026-04-07, 6,675 profile addresses, 655 of them dental; the live site did not load) holds no profile of Dr Ioanna Polichroniadou (her 2021–2022 profile is no longer in it) | 2026-10-02 |
| polichroniadou-dental-studio-thessaloniki-fb | https://www.facebook.com/polichroniadoudent/ | Facebook page "Dr Polichroniadou I., DDS" (Thessaloníki) read on 2026-10-02; address Karolou Ntil 6, Thessaloníki, Greece, 54623; phone +30 697 715 5749; 838 followers; 100% recommend (7 reviews); latest post 2021-10-31; pinned and newest posts checked, none after 2021-10-31 | 2026-10-02 |
| polichroniadou-dental-studio-thessaloniki-deepen-10 | https://www.google.com/maps?cid=17971711474629839333&hl=en | Google listing "Polichroniadou Ioanna ~ Dental Studio 🦷" (Dental clinic), read 2026-10-02 in three review orders (newest, lowest-rated, most relevant first): 4.9 from 448 reviews (1★ 12 / 2★ 0 / 3★ 1 / 4★ 1 / 5★ 434); 14 distinct reviews read, dated 2022-04-16 to 2026-09-19 | 2026-10-05 |
Change History
| Date | Change |
|---|---|
| 2026-10-05 | Read 14 of the clinic's Google reviews on 2026-10-02: no owner replies seen. |
| 2026-10-02 | Facebook presence checked on 2026-10-02: the clinic's identified page has not posted since 2021-10-31 and has 7 reviews, while the clinic's website is live. |
| 2026-10-02 | Other review platforms checked on 2026-10-02: no profile of the clinic on WhatClinic, vrisko.gr, Trustpilot, Bookimed or Dental Departures, so presence on them is recorded as absent. |
| 2026-09-17 | Re-read on 2026-09-17: the clinic's Greek-language website (implants, contact pages) and its Google listing. Recorded: implant placement documented as a surgical procedure; a genuine Google-listing photo of the reception area; no structured data on the site despite dedicated pages per specialty; contact page offers only a booking form, not a pre-visit consultation; Google 4.9 from 448 reviews (up from 444), no recurring-complaint or manipulation pattern in the histogram. Still unverified: response to reviews (none visible on the readable sample), Facebook link, other review platforms. |
| 2026-08-27 | Initial data collection for the Greece national index: verified via official website and Google Maps; O.S.Th. licensing registry checked, no clinic-scope match found. |
A question or a correction?
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