IAD - International Advanced Dentistry
According to our open methodology, this clinic scored 74.4/100 for transparency, reputation, service accessibility, and digital visibility.
Overall rank: #3 of 11 ranked clinics · Last checked: 24 September 2026
74.4/100
23.1 of 100
Visibility in ChatGPT and Gemini answers
How often ChatGPT and Gemini name this clinic when a patient asks them to recommend a dentist. Measured by Ansmeter, 7 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.
Positions by Rating Profile
- Overall Transparency & Trust#374.4/100
- Best for Expats#469.5/100
- Best for Dental Implants#373.7/100
- Best for Emergency Dental Care#375.1/100
- Best Price Transparency#560.1/100
- Best English-speaking Clinics#470.3/100
- Best for Families / Children#376.7/100
- 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 page on dental anxiety mentions "diferentes protocolos de sedação" for anxious patients but gives no detail distinguishing conscious vs deep/general sedation.
Summary
Dental clinic on Avenida da Liberdade founded in 2013, emphasising fully digital clinical workflows and multilingual care. Publishes two ERS registration numbers.
Strengths
- Information Transparency: 20 of 20 points.
- Reputation & Reviews: 16.5 of 20 points.
- Medical Infrastructure: 15 of 15 points.
- No red flags identified in public sources.
Weaknesses
- Price Transparency: 5 of 15 verifiable points (missing: cleaning price listed; filling price listed; crown price listed; implant price listed; consultation 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
20 / 20
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 Founder named in the clinic's own testimonial page and social links [iad-international-advanced-dentistry-deepen] [iad-international-advanced-dentistry-deepen-11] | 3/3 |
| ✓ | Dentist specializations listed [s1] | 2/2 |
| ✓ | Real clinic photos [s1] | 2/2 |
| ✓ | Service list published [s1] | 3/3 |
| ✓ | Clear contact details Phone and email published and matching the Google listing [iad-international-advanced-dentistry-deepen-2] | 2/2 |
| ✓ | English website version [s1] | 2/2 |
| ✓ | Address and map published Av. da Liberdade 220, 1st floor, 1250-147 Lisboa on the clinic's contacts page, with an embedded map, and on its Google listing with a map pin. [iad-international-advanced-dentistry-deepen-20] [iad-international-advanced-dentistry-deepen-21] [s3] | 2/2 |
Price Transparency
5 / 15
Whether patients can estimate costs before visiting. Published price ranges count; exact prices are not required.
| ✓ | Prices or price ranges published Corrected: the clinic publishes a dated imaging price list (15 priced radiology and CBCT exams) [iad-international-advanced-dentistry-deepen-8] | 3/3 |
| ✗ | 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 Corrected: radiology price list published (panoramic X-ray 45 EUR, periapical 15 EUR, CBCT from 60 EUR) [iad-international-advanced-dentistry-deepen-8] | 2/2 |
Reputation & Reviews
16.5 / 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 2026-08-25 [iad-international-advanced-dentistry-refresh] | 6/6 |
| ◐ | Google review volume [iad-international-advanced-dentistry-refresh] | 2/3 |
| ✓ | Review recency [iad-international-advanced-dentistry-refresh] | 3/3 |
| ✓ | Clinic responds to reviews Owner reply present among the lowest-rated reviews [iad-international-advanced-dentistry-deepen-12] | 2/2 |
| ✗ | No recurring complaints Four independent reviews describe undisclosed or unexpectedly high fees [iad-international-advanced-dentistry-deepen-3] | 0/2 |
| ✓ | No suspicious review patterns 96% 5-star (not literal 100%), accounts with review history, no date spike [iad-international-advanced-dentistry-deepen-13] | 2/2 |
| ✓ | Active Facebook presence [s1] | 1/1 |
| ✗ | TripAdvisor presence No matching listing on TripAdvisor; no link from the site or Google profile [iad-international-advanced-dentistry-deepen-4] | 0/0.5 |
| ✓ | Other review platforms Its co-founder Dr. André Chen keeps a Doctoralia profile naming the practice, with his own career summary and a price list; no reviews there yet. [iad-international-advanced-dentistry-platforms] | 0.5/0.5 |
Medical Infrastructure
15 / 15
The range of publicly documented equipment and services. This measures documented availability, not clinical quality.
| ✓ | On-site X-ray Technology page describes panoramic and lateral x-ray imaging [iad-international-advanced-dentistry-deepen-5] | 2/2 |
| ✓ | CBCT (3D imaging) Dedicated CBCT imaging technology page [iad-international-advanced-dentistry-deepen-14] | 2/2 |
| ✓ | Implantology [s1] | 2/2 |
| ✓ | Orthodontics Invisalign. [s1] | 2/2 |
| ✓ | Oral surgery Gingival grafting. [s1] | 2/2 |
| ✓ | Pediatric dentistry Dedicated IAD Kids page [iad-international-advanced-dentistry-deepen-6] | 1.5/1.5 |
| ✓ | Emergency care The clinic's own case pages describe patients seen through its emergency consultation [iad-international-advanced-dentistry-deepen-7] | 1.5/1.5 |
| ✓ | Works with international patients [s1] | 2/2 |
Communication & Service
5 / 10
How easy it is to contact the clinic, get answers, and book - especially for international patients.
| ✗ | WhatsApp / LINE available Contacts page has only phone and email, no WhatsApp link [iad-international-advanced-dentistry-deepen-15] | 0/2 |
| ? | Response speed | 0/1.5 |
| ✓ | English spoken [s1] | 2.5/2.5 |
| ✓ | Pre-visit consultation possible Homepage invites booking an evaluation appointment online [iad-international-advanced-dentistry-deepen-16] | 1.5/1.5 |
| ✓ | Clear service explanations Technology and treatment pages explain the equipment and process in detail [iad-international-advanced-dentistry-deepen-17] | 1/1 |
| ✗ | Convenient opening hours Google Business Profile hours show weekday-only, before-19:00 closing [iad-international-advanced-dentistry-deepen-18] | 0/1.5 |
AI & Search Visibility
5.5 / 10
Whether the clinic is discoverable when patients search - including via AI assistants. Checked with fixed queries: "best dentist Lisbon", "English speaking dentist Lisbon", "dental implants Lisbon", "emergency dentist Lisbon", "Lisbon dental clinic for expats".
| ✓ | Mentioned for: best dentist Lisbon Clinic’s own site ranks 6th in the top web results for "best dentist Lisbon" on 2026-09-24. [iad-international-advanced-dentistry-deepen-9] | 1/1 |
| ✓ | Mentioned for: English speaking dentist Lisbon [sq] | 1/1 |
| ✓ | Mentioned for: dental implants Lisbon [sq] | 1/1 |
| ✗ | Mentioned for: emergency dentist Lisbon Not present in the top web results for "emergency dentist Lisbon" (also searched as "emergency dentist Lisbon, Portugal") on 2026-09-24. [iad-international-advanced-dentistry-deepen-10] | 0/1 |
| ✓ | Mentioned for: Lisbon dental clinic for expats [sq] | 1/1 |
| ✗ | Structured data on website No JSON-LD business markup found on the site [iad-international-advanced-dentistry-deepen-19] | 0/1.5 |
| ? | Google indexing quality | 0/2 |
| ✓ | 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: ERS N.º 130536; ERS N.º 162243 (Two ERS registration numbers published on the site.) [s1]
Dentists & professional licences
No published dentist roster is recorded for this clinic yet — unverified, no penalty.
Red Flags
No red flags identified in the public sources we reviewed.
Data We Could Not Verify
- 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://www.iadlisbon.com/en |
|---|---|
| Phone | +351 911 102 812 |
| https://www.facebook.com/iadlisbon/ | |
| Google Maps | Map listing |
| Address | Avenida da Liberdade 220, 1º, 1250-147 Lisboa |
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.iadlisbon.com/en | Main official site iadlisbon.com/en (already-cited live source, re-fetched 2026-08-26): distinct "More Info" links per treatment - Dental Implants, Dental Veneers, Invisalign, Functional Rehabilitation, Digital Implantology, Dental Bonding, Gingival Grafting, Root Canal Treatment, Oral Hygiene, Dental Appliances, Dental Bleaching (implantologia.iadlisbon.com/en/ subdomain, previously cited, is now dead). | 2026-09-24 |
| s3 | https://avliberdade.com/en/international-advanced-dentistry/ | Address Avenida da Liberdade 220, founded 2013 | 2026-07-12 |
| sq | search:English speaking dentist Lisbon / dental implants Lisbon / Lisbon dental clinic for expats | AI/search visibility scout 2026-07-12 | 2026-07-12 |
| iad-international-advanced-dentistry-refresh | https://www.google.com/maps/place/IAD+Lisbon+-+International+Advanc… | most recent review 1 month ago (as of 2026-08-25) | 2026-08-25 |
| iad-international-advanced-dentistry-deepen | https://www.iadlisbon.com/clinica-1 | Patient testimonial published by the clinic: "Obrigada ao Dr. Joao Borges e a equipa da International Advanced Dentistry" | 2026-09-24 |
| iad-international-advanced-dentistry-deepen-2 | https://www.iadlisbon.com/contactsfr | Contacts page carries the clinic's phone (+351 911 102 812, matching the Google listing) and email info@iadlisbon.com | 2026-09-24 |
| iad-international-advanced-dentistry-deepen-3 | https://www.google.com/maps?cid=5687955152482843848&hl=en | eric miglio (2026-07-08): "150e for a simple check consultation, and they don't want to tell you the price beforehand"; laboutique (2020-08-25): "Cout de la consultation 145 EUR!! Hormis le fait que cela soit hors de prix"; Regine Laser (2022-11-07): whitening/cleaning prices "not clarified beforehand"; Alexis (2024-05-02): charged 150 EUR for an ineffective visit | 2026-09-24 |
| iad-international-advanced-dentistry-deepen-4 | https://www.tripadvisor.com/TypeAheadJson?action=API&query=IAD%20In… | Name search on TripAdvisor (checked 2026-09-24) returned no IAD result among 12 matches | 2026-09-24 |
| iad-international-advanced-dentistry-deepen-5 | https://www.iadlisbon.com/technology-fr | Planmeca Viso 7 page: "vue panoramique et frontale en 2D, ainsi qu'une teleradiographie laterale" (panoramic 2D view and lateral cephalometric x-ray) | 2026-09-24 |
| iad-international-advanced-dentistry-deepen-6 | https://www.iadlisbon.com/iadkidseng | Page titled "IAD Kids": "Pediatric Dentistry is a specialty of Dentistry that provides preventive, primary and comprehensive therapeutic oral health care for babies, children and adolescents" | 2026-09-24 |
| iad-international-advanced-dentistry-deepen-7 | https://www.iadlisbon.com/dentalbonding | Case page: "The patient attended the emergency consultation, following a fall that resulted in a fracture of her upper right central incisor"; "The patient turned to our emergency department for the reconstruction of a tooth that had fractured as a result of trauma" | 2026-09-24 |
| iad-international-advanced-dentistry-deepen-8 | https://www.iadlisbon.com/resource_redirect/downloads/file-uploads/… | Price sheet linked from the clinic technology page, "Radiology and Complementary Diagnosis Exams Prices": "45€ Orthopantomography", "15€ Apical Radiography (Intraoral)", "45€ Bitewings Radiography", "60€ Localized CBCT", "120€ Single-Arch CBCT", "180€ CBCT Two Arches" | 2026-09-24 |
| iad-international-advanced-dentistry-deepen-9 | search:best dentist Lisbon | Web search on 2026-09-24: result 6 — https://www.iadlisbon.com/clinic, title "Dental Clinic in the center of Lisbon, at Avenida da Liberdade", the clinic’s own domain. | 2026-09-24 |
| iad-international-advanced-dentistry-deepen-10 | search:emergency dentist Lisbon | Web search on 2026-09-24 for "emergency dentist Lisbon, Portugal": results were tripadvisor.com, mint.pt, Wikipedia, tooth911.com (x2), saodente.pt, pedrogf.com, grandrapidsemergencydentist.com and Wikipedia; the clinic’s site and name were not among them. | 2026-09-24 |
| iad-international-advanced-dentistry-deepen-11 | https://www.iadlisbon.com/en | Footer links to a LinkedIn company page named "Joao Borges Aesthetic Dentistry" | 2026-09-24 |
| iad-international-advanced-dentistry-deepen-12 | https://www.google.com/maps?cid=5687955152482843848&hl=en | Owner reply dated 2025-05-27 to Tahir Khan's 1-star review | 2026-09-24 |
| iad-international-advanced-dentistry-deepen-13 | https://www.google.com/maps?cid=5687955152482843848&hl=en | Histogram 2/2/1/0/123 of 128; low reviews from accounts with 2-31 prior reviews, dates spread 2020-2026 | 2026-09-24 |
| iad-international-advanced-dentistry-deepen-14 | https://www.iadlisbon.com/technology-fr | Page describes the Planmeca Viso 7 as "l'unite CBCT la plus moderne" (cone-beam CT unit) with a downloadable price sheet | 2026-09-24 |
| iad-international-advanced-dentistry-deepen-15 | https://www.iadlisbon.com/contactsfr | Contacts page lists tel: and mailto: links only, no wa.me link | 2026-09-24 |
| iad-international-advanced-dentistry-deepen-16 | https://www.iadlisbon.com/en | Meta description: "...Minimally invasive approach. Book an evaluation appointment with us." | 2026-09-24 |
| iad-international-advanced-dentistry-deepen-17 | https://www.iadlisbon.com/technology-fr | Detailed feature descriptions: imaging resolution, single-shot scan covering both jaws and TMJ, patient comfort design | 2026-09-24 |
| iad-international-advanced-dentistry-deepen-18 | https://www.google.com/maps?cid=5687955152482843848&hl=en | Hours (2026-09-24): Mon-Fri 9 AM-6 PM, Sat/Sun closed | 2026-09-24 |
| iad-international-advanced-dentistry-deepen-19 | https://www.iadlisbon.com/en | Structured-data read of 30 pages found no JSON-LD blocks at all | 2026-09-24 |
| iad-international-advanced-dentistry-deepen-20 | https://www.iadlisbon.com/contacts | Contacts page of the clinic's website, read 2026-09-30: address Av. da Liberdade 220, 1st floor, 1250-147 Lisboa, with an embedded Google map of the clinic's place; phones +351 911 102 812 and +351 211 355 482; e-mail info@iadlisbon.com | 2026-09-30 |
| iad-international-advanced-dentistry-deepen-21 | https://www.google.com/maps?cid=5687955152482843848&hl=en | Google listing "IAD Lisbon - International Advanced Dentistry", managed by the business, read 2026-09-30: address Avenida da Liberdade 220, 1st floor, 1250-147 Lisboa, with a map pin; phone +351 911 102 812; website iadlisbon.com | 2026-09-30 |
| iad-international-advanced-dentistry-platforms | https://www.doctoralia.com.pt/perfil/andre-chen | Doctoralia profile of Dr. André Chen, read 2026-10-02: his own career summary ("Co-fundador IAD International Advanced Dentistry", professor at the Lisbon dental faculty), the practice "IAD International Advanced Dentistry", Av da Liberdade 220, 1 Andar, Lisboa, and services with prices (dental implants from 1 200 €, first consultation); no online booking at this address and no reviews yet | 2026-10-05 |
Change History
| Date | Change |
|---|---|
| 2026-09-24 | Search visibility checked on 2026-09-24 for the two pending Lisbon queries — "best dentist Lisbon" and "emergency dentist Lisbon": present for "best dentist Lisbon"; not present for "emergency dentist Lisbon". |
| 2026-09-24 | Re-read on 2026-09-24: the clinic's website (technology, kids, contacts pages, full site sitemap) and its Google listing. Recorded: founder named on the clinic's own testimonial page and social links; phone/email match the Google listing; CBCT and panoramic/lateral x-ray imaging; children's dentistry offered; emergency consultations documented on the clinic case pages; no WhatsApp; online evaluation booking available; detailed technology explanations; no weekend or evening hours; no structured business data. Google listing: an owner reply present; several reviews describe fees not disclosed in advance; no signs of manipulated reviews. Not found on TripAdvisor. Corrected: a radiology price list (panoramic X-ray 45 EUR, CBCT from 60 EUR) is published on the clinic technology page, contradicting the earlier no-prices record. |
| 2026-08-26 | Link-rot cleanup 2026-08-26: implantologia.iadlisbon.com/en/ (s4) confirmed dead. Its sole citation (dedicatedServicePages) re-declared onto the main official site (s1, already an existing live source, re-fetched and read directly, confirms dedicated pages per treatment). s4 pruned (no longer cited by anything). |
| 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. s4 [https://implantologia.iadlisbon.com/en/]: https://implantologia.iadlisbon.com/en/ (attempt1: Connect Timeout Error (attempted address: implantologia.iadlisbon.com:443, timeout: 10000ms); attempt2 (+30s): Connect Timeout Error (attempted address: implantologia.iadlisbon.com:443, timeout: 10000ms), other->stable-dead on recheck) |
| 2026-08-25 | Re-verification 2026-08-25: confirmed website live, address unchanged, not permanently closed; recorded previously-unset phone, Maps URL and coordinates, plus Google rating 4.9 (128 reviews). |
| 2026-07-12 | Initial data collection. |
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