Hammasklinikka Sirius
According to our open methodology, this clinic scored 77.2/100 for transparency, reputation, service accessibility, and digital visibility.
Overall rank: #6 of 21 ranked clinics · Last checked: 8 September 2026
77.2/100
Positions by Rating Profile
- Overall Transparency & Trust#677.2/100
- Best for Expatsnot ranked
- Best for Dental Implants#577/100
- Best for Emergency Dental Care#474.3/100
- Best Price Transparency#786/100
- Best English-speaking Clinics#673.7/100
- Best for Families / Childrennot ranked
- Sleep Dentistry (GA / deep sedation)#477.2/100
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) — General anaesthesia / deep sedation documented 'Nukutushammashoito' (treatment under general anaesthesia) has its own service page and its own price block: 520 € for the first hour and 420 € per hour thereafter. [s4]
Summary
Family-owned clinic on Isokatu in central Oulu, founded in 2020 and built around digital dentistry — chairside Cerec ceramics, an intraoral scanner and cone-beam imaging. Nine named dentists, seven of them specialists covering prosthodontics and stomatognathic physiology, oral pathology, periodontology, endodontics, oral and maxillofacial surgery and orthodontics. Emergency reception on weekdays to 19:00, treatment under general anaesthesia priced by the hour, and an itemised price list. Its Google place record is served under the clinic's own name and also answers to the name of one of its dentists, Hammaslääkäri Jani Aro, at the same address.
Strengths
- Information Transparency: 18 of 20 points.
- Price Transparency: 15 of 15 points.
- No red flags identified in public sources.
Weaknesses
No category fell below the weakness threshold (50% of verifiable points).
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 Opened and read on 2026-09-07: a current site with thirteen service pages, staff profiles, price list and contacts. [s1] | 4/4 |
| ✓ | Dentist names listed Nine dentists named with photographs, e-mail addresses and written self-introductions. [s3] | 3/3 |
| ✓ | Dentist specializations listed Seven of the nine carry a stated specialist qualification: prosthodontics and stomatognathic physiology, diagnostics and oral pathology, periodontology (two), endodontics, oral and maxillofacial surgery and orthodontics; each profile also lists that dentist's special areas. [s3] | 2/2 |
| ✓ | Real clinic photos The place page carries an owner photo set and its lead image, read in a browser on 2026-09-08, is the practice's own surgery: its blue dental chair and delivery unit, an intraoral-imaging cart with its screen, the operator's stool and the instrument cabinetry along the wall. Premises and equipment, so the criterion is met. [gmpb] | 2/2 |
| ✓ | Service list published Thirteen named services with a page each: emergency and general care, dental trauma, ceramic fillings and crowns, replacing a missing tooth, implants, stomatognathic physiology, orthodontics, sleep-apnoea splints, treatment under general anaesthesia, aesthetic treatment, whitening, radiography and aftercare, plus referral services for other dentists. [s2] | 3/3 |
| ✓ | Clear contact details Emergency and booking numbers and the street address with floor repeated on every page; consistent with the Google place record. [s1] | 2/2 |
| ✗ | English website version The site is Finnish only; it declares no language alternates and carries no switcher. [s1] | 0/2 |
| ✓ | Address and map published Street address with floor in the header and footer of every page, plus an embedded map. [s1] | 2/2 |
Price Transparency
15 / 15
Whether patients can estimate costs before visiting. Published price ranges count; exact prices are not required.
| ✓ | Prices or price ranges published Standing price list of common procedures with the patient's share and the pre-reimbursement price in brackets, plus a separate block for treatment under general anaesthesia and a stated 0–30 % specialist uplift. [s4] | 3/3 |
| ✓ | Cleaning price listed Hammaskiven poisto 57.50 € and, banded by duration, 94 € / 151.50 € / 207 €; the hygienist price includes powder polishing. [s4] | 2/2 |
| ✓ | Filling price listed One-surface 102.50 €, two 161 €, three to four 183.50 €; Cerec ceramic fillings 400–600 €. [s4] | 2/2 |
| ✓ | Crown price listed Cerec keraaminen kruunu, glaze-fired, 688 €; composite crown 230 €. [s4] | 2/2 |
| ✓ | Implant price listed Implanttihammas by a specialist from 2300 €. [s4] | 2/2 |
| ✓ | Consultation price listed Tarkastus 77.50 €; implant, orthodontic and whitening consultations free. [s4] | 2/2 |
| ✓ | X-ray / imaging price listed Intraoral 45 €, bite-wing 50 €, panoramic 109 €, cone-beam 196–309 €. [s4] | 2/2 |
Reputation & Reviews
13.5 / 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) Read live on the place page in a browser on 2026-09-08. Unchanged from the automated reading of 2026-09-07. The star histogram — 19 five-star, 0 four-star, 0 three-star, 1 two-star and 0 one-star — sums to 20, matching the 20 in the place-page header exactly, and its weighted mean 4.850 reproduces the published 4.9. The listing-name question the open question raised is settled by looking at the record itself: **one place carries both labels**. The heading reads «Hammaslääkäri Jani Aro» with «Hammasklinikka Sirius» printed directly beneath it, and that single record holds the clinic's own street address, telephone and website. There is no second Hammasklinikka Sirius listing with different review data, so the figures on this card are the practice's own. [gm1] [gmpb] | 4/6 |
| ◐ | Google review volume Read live on 2026-09-08 from the place-page header, and the star histogram sums to the same figure. The card held 20 and the listing has not moved since. [gm1] [gmpb] | 1/3 |
| ◐ | Review recency The newest review visible is nine months old, which proves the within_year bucket and no better. Visible dates: 9 months, then 1, 1, 2, 3, 3 (edited), 4 and 5 years. Sample: the eight reviews Google Maps renders on the place page in its own relevance order — the "Newest" sort does not open to automation, so a review more recent than the newest one visible may exist. [gmpb] | 1.5/3 |
| ✓ | Clinic responds to reviews The owner answers two of the eight of the reviews visible on the place page on 2026-09-08. Sample: the eight reviews Google Maps renders on the place page in its own relevance order — the "Newest" sort does not open to automation, so a review more recent than the newest one visible may exist. [gmpb] | 2/2 |
| ✓ | No recurring complaints The listing holds no one-star rating at all; its only rating below five is a single two-star, which Google's relevance ordering does not surface, so no critical text is readable. The one- and two-star mass is 1 of 20 = 5.0 %, far below the threshold at which the methodology's rule withholds a verdict, so the criterion is false with the one unread account disclosed. Sample: the eight reviews Google Maps renders on the place page in its own relevance order — the "Newest" sort does not open to automation, so a review more recent than the newest one visible may exist. [gmpb] | 2/2 |
| ✓ | No suspicious review patterns Judged on the histogram shape, the spread of dates, the variety of reviewers and the wording, on 2026-09-08. The histogram is 19/0/0/1/0 on a base of 20 accumulated over at least five years. The visible dates spread from nine months to five years, several accounts identify their writers as long-standing or dental-phobic patients and describe different treatments, and the owner answers only two of the eight. Nothing suggests curation. [gmpb] | 2/2 |
| ✓ | Active Facebook presence The clinic links its own Facebook page from its site; the page carries its staff introductions. [fb1] | 1/1 |
| ✗ | TripAdvisor presence No TripAdvisor listing found via its search for "Hammasklinikka Sirius Oulu" and "Hammasklinikka Sirius"; the clinic's site does not link to TripAdvisor (checked 2026-10-05). [hammasklinikka-sirius-oulu-tripadvisor] [hammasklinikka-sirius-oulu-tripadvisor-2] | 0/0.5 |
| ✗ | Other review platforms No profile on WhatClinic or Trustpilot, and Dental Departures and Bookimed list no Finnish clinics; no Yelp page was found under its name, nor a Finnish dentist-review site with reviews of its own. [hammasklinikka-sirius-oulu-deepen] [hammasklinikka-sirius-oulu-deepen-2] [hammasklinikka-sirius-oulu-deepen-3] [hammasklinikka-sirius-oulu-deepen-4] | 0/0.5 |
Medical Infrastructure
11.5 / 15
The range of publicly documented equipment and services. This measures documented availability, not clinical quality.
| ✓ | On-site X-ray Intraoral, bite-wing and panoramic imaging priced, with a dedicated radiography page. [s4] | 2/2 |
| ✓ | CBCT (3D imaging) KKTT (cone-beam) imaging priced for single teeth (196 €), two jaw halves (258 €) and three to four (309 €). [s4] | 2/2 |
| ✓ | Implantology Dedicated implant page and implant teeth priced; an oral and maxillofacial surgery specialist places them. [s2] [s4] | 2/2 |
| ✓ | Orthodontics Orthodontics has its own page and an orthodontic specialist, Timo Laitala, on the roster. [s2] [s3] | 2/2 |
| ✓ | Oral surgery Petri Iso-Kungas is listed as a specialist in oral and maxillofacial surgery, with demanding and surgical extractions, implant placement, bone grafts and jaw-cyst treatment among his stated areas. [s3] | 2/2 |
| ✗ | Pediatric dentistry Children's dentistry is not named among the thirteen services or in any dentist's stated areas. [s2] [s3] | 0/1.5 |
| ✓ | Emergency care Dedicated emergency page with its own number and published hours: emergency reception Mon–Fri 8:00–19:00. [s5] | 1.5/1.5 |
| ✗ | Works with international patients The clinic publishes nothing about foreign patients and keeps no non-Finnish version of its site. [s1] | 0/2 |
Communication & Service
6.5 / 10
How easy it is to contact the clinic, get answers, and book - especially for international patients.
| ✗ | WhatsApp / LINE available Phone, online booking and e-mail to named staff only. [s1] | 0/2 |
| ? | Response speed | 0/1.5 |
| ✓ | English spoken A dentist profile states that he treats patients in English, Swedish and German as well as Finnish. [s3] | 2.5/2.5 |
| ✓ | Pre-visit consultation possible Free implant, orthodontic and whitening consultations are published as bookable items. [s4] | 1.5/1.5 |
| ✓ | Clear service explanations Each of the thirteen services has its own page explaining the treatment and the technology used. [s2] | 1/1 |
| ✓ | Convenient opening hours Confirmed on the clinic's own Google Business Profile, read in a browser on 2026-09-08: Monday to Friday 08:00–19:00, Saturday and Sunday closed. The 19:00 close on five weekdays matches the hours the clinic advertises in the header of every page of its own site. [s5] [gmpb] | 1.5/1.5 |
AI & Search Visibility
5 / 10
Whether the clinic is discoverable when patients search - including via AI assistants. Checked with fixed queries: "best dentist Finland", "English speaking dentist Finland", "dental implants Finland", "emergency dentist Finland", "Finland dental clinic for expats".
| ✗ | Mentioned for: best dentist Finland The canonical city query was run in the AI-visibility pass on 2026-09-07; the clinic does not appear in the returned result list, which is held by national chains, the city and wellbeing-county pages, Wikipedia and directories. [bsq1] | 0/1 |
| ✗ | Mentioned for: English speaking dentist Finland The canonical city query was run in the AI-visibility pass on 2026-09-07; the clinic does not appear in the returned result list, which is held by national chains, the city and wellbeing-county pages, Wikipedia and directories. [bsq2] | 0/1 |
| ✗ | Mentioned for: dental implants Finland The canonical city query was run in the AI-visibility pass on 2026-09-07; the clinic does not appear in the returned result list, which is held by national chains, the city and wellbeing-county pages, Wikipedia and directories. [bsq3] | 0/1 |
| ✗ | Mentioned for: emergency dentist Finland The canonical city query was run in the AI-visibility pass on 2026-09-07; the clinic does not appear in the returned result list, which is held by national chains, the city and wellbeing-county pages, Wikipedia and directories. [bsq4] | 0/1 |
| ? | Mentioned for: Finland dental clinic for expats The fifth canonical query was not run for this city in the AI-visibility pass: the pass ran it only for the first research city of each country (Helsinki for Finland). Left unset rather than guessed. | 0/1 |
| ✓ | Structured data on website The site's schema.org JSON-LD graph carries a business-level Organization entity for the practice ("Hammasklinikka Sirius") alongside the generic WebPage/WebSite/BreadcrumbList nodes. Re-read on 2026-09-07: that Organization node carries the business name, the site URL and, where present, its social profiles — but no PostalAddress, no telephone and no geo. It is therefore not LocalBusiness or Dentist markup; it is credited under the criterion's "or equivalent" wording as business-level structured data. [s1] | 1.5/1.5 |
| ✓ | Google indexing quality The clinic's own domain holds the first result for its own name and three of the first six (front page, contacts, price list); the rest are its own Instagram and Facebook and directories. [giq1] | 2/2 |
| ✓ | Dedicated service pages Thirteen individual service pages plus separate referral pages aimed at other dentists. [s2] | 1.5/1.5 |
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.
- #1Hammaslääkäriasema Dent Å14.9 of 100View report →
- #2Hammasvahti47.6 of 100View report →
- #3Hammaslääkäriasema Helmiäinen52.3 of 100View report →
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 & professional licences
| Dentist | Specialization | Licence No. |
|---|---|---|
| Timo Kolmonen [s3] | Protetiikan ja purentafysiologian erikoishammaslääkäri (specialist in prosthodontics and stomatognathic physiology); in private practice in Oulu since 2007; ceramic restorations, prosthetics, implants, botulinum treatment, sleep-apnoea splints | not verified |
| Jani Aro [s3] | Hammaslääkäri; general dentistry, periodontal and root canal treatment, extractions, ceramic restorations; treats in Finnish, English, Swedish and German and also works under general anaesthesia; in private practice in Oulu since 2014 | not verified |
| Heidi Harinen [s3] | Erikoishammaslääkäri, diagnostiikka ja suupatologia (specialist in diagnostics and oral pathology); qualified University of Oulu 2006 | not verified |
| Aleksi Kurth [s3] | Iensairauksien erikoishammaslääkäri (specialist in periodontology) since 2019; five years as a hospital dentist; demanding periodontal treatment and gingival surgery | not verified |
| Heikki Leipämaa [s3] | Juurihoidon erikoishammaslääkäri (specialist in endodontics); root canal treatment, apicoectomy, demanding extractions, restorative work | not verified |
| Petri Iso-Kungas [s3] | Suu- ja leukakirurgian erikoishammaslääkäri (specialist in oral and maxillofacial surgery); demanding and surgical extractions, implant placement and bone grafts, jaw cysts and infections | not verified |
| Timo Laitala [s3] | Oikomishoidon erikoishammaslääkäri (specialist in orthodontics) | not verified |
| Meeri Ojala [s3] | Iensairauksien erikoishammaslääkäri (specialist in periodontology); periodontal disease and implant maintenance; over twenty years in private practice and a university teacher since the early 2000s | not verified |
| Päivi Huttu [s3] | Hammaslääkäri; qualified University of Oulu 1999; comprehensive general 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
- Communication & Service: Response speed
- AI & Search Visibility: Mentioned for: Finland dental clinic for expats
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://hammas-sirius.fi/ |
|---|---|
| Phone | +358 44 533 4000 |
| https://www.facebook.com/p/Hammasklinikka-Sirius-100054390405733/ | |
| Google Maps | Map listing |
| Address | Isokatu 26 A 7, 3rd floor, 90100 Oulu, Finland |
Contact details are provided for identification only and may change; verify with the clinic directly.
Sources
| ID | Source | What it supports | Accessed |
|---|---|---|---|
| s1 | https://hammas-sirius.fi/ | Clinic's own front page: founded 2020, family ownership, digital dentistry, address and emergency hours | 2026-09-07 |
| s2 | https://hammas-sirius.fi/palvelut/puuttuvan-hampaan-korvaaminen/ | Clinic's own prosthetics page and the site-wide thirteen-item service menu | 2026-09-07 |
| s3 | https://hammas-sirius.fi/henkilokunta/ | Own site roster page names this dentist (read 2026-09-10): "rautta sairastavien potilaiden suunterveys Leikkauskelpoisuustutkimukset Heikki Leipämaa juurihoidon erikoishammaslääkäri Erityisosa-alueet: Hampaiden juurihoidot Juure" | 2026-09-10 |
| s4 | https://hammas-sirius.fi/hinnasto/ | Clinic's own standing price list, including the general-anaesthesia block | 2026-09-07 |
| s5 | https://hammas-sirius.fi/palvelut/hammaspaivystys-ja-perushoito/ | Clinic's own emergency and general-care page: hours, direct number, GBT hygiene protocol | 2026-09-07 |
| gm1 | https://www.google.com/maps/place/?q=place_id:ChIJt-jQoq8ygEYRZdKrP… | Live Google Maps place record at the clinic's address with its website; listed under the name Hammaslääkäri Jani Aro | 2026-09-07 |
| fb1 | https://www.facebook.com/p/Hammasklinikka-Sirius-100054390405733/ | Clinic's own Facebook page, linked from its site | 2026-09-07 |
| giq1 | search:"Hammasklinikka Sirius" Oulu | Name-and-city search used to judge how well the clinic's own pages rank for its own name (web search) | 2026-09-07 |
| bsq1 | search:best dentist Oulu | Canonical visibility query, AI-visibility pass (web search) | 2026-09-07 |
| bsq2 | search:English speaking dentist Oulu | Canonical visibility query, AI-visibility pass (web search) | 2026-09-07 |
| bsq3 | search:dental implants Oulu | Canonical visibility query, AI-visibility pass (web search) | 2026-09-07 |
| bsq4 | search:emergency dentist Oulu | Canonical visibility query, AI-visibility pass (web search) | 2026-09-07 |
| gmpb | https://www.google.com/maps/place/x/@65.0111643,25.4716537,17z/data… | The clinic’s Google Maps place page, opened in a real browser on 2026-09-08. The Reviews tab (this URL) gives the headline rating, the review-count header, the five star-histogram buckets read whole from their accessibility labels, and the eight most-relevant reviews with their star values, dates, text and owner replies; the sibling Overview URL https://www.google.com/maps/place/x/@65.0111643,25.4716537,17z/data=!4m5!3m4!1s0x468032afa2d0e8b7:0x31584dff3dabd265!8m2!3d65.0111643!4d25.4716537?hl=en gives the listing name, address, telephone, website, business category, the full published opening week and the lead owner photograph. The listing opens as «Hammaslääkäri Jani Aro (with «Hammasklinikka Sirius» beneath it — one record carrying both labels)», category Dentist, at Isokatu 26 A 7, 90100 Oulu · +358 44 533 4000 · hammas-sirius.fi — the identifiers the card itself carries, so the place identifier resolves to this practice and not to a neighbour. | 2026-09-08 |
| hammasklinikka-sirius-oulu-deepen | https://www.whatclinic.com/dentists/finland/oulu | WhatClinic read 2026-10-02: the Oulu catalogue (1 page, 2 clinics) and WhatClinic's Finland sitemap (8 Finnish profiles) list no profile for the clinic; direct addresses /dentists/finland/hammasklinikka-sirius return 404. | 2026-10-02 |
| hammasklinikka-sirius-oulu-deepen-2 | https://www.trustpilot.com/review/hammas-sirius.fi | Trustpilot read 2026-10-02: no page for hammas-sirius.fi ("Whoops! The page you're looking for could not be found"). | 2026-10-02 |
| hammasklinikka-sirius-oulu-deepen-3 | https://www.dentaldepartures.com/dentists/finland | Dental Departures read 2026-10-02: has no Finland location (its Finland page returns "not found" and its clinic search recognises neither Finland nor Oulu); no profile for this clinic. | 2026-10-02 |
| hammasklinikka-sirius-oulu-deepen-4 | https://us-uk.bookimed.com/sitemap-us-uk-clinics-country.xml | Bookimed read 2026-10-02: Finland is not among its 53 clinic countries (no Finland page), and none of its 2,127 clinic pages is in Finland. | 2026-10-02 |
| hammasklinikka-sirius-oulu-tripadvisor | https://www.tripadvisor.com/TypeAheadJson?action=API&details=true&q… | TripAdvisor's own search, read 2026-10-05: 12 suggestions for "Hammasklinikka Sirius Oulu" (1 place, 4 attractions, 6 hotels, 1 restaurant), none of them a dental practice in or near Oulu; 12 suggestions for "Hammasklinikka Sirius" (1 place, 4 attractions, 6 hotels, 1 restaurant), none of them a dental practice in or near Oulu; no listing for this clinic | 2026-10-05 |
| hammasklinikka-sirius-oulu-tripadvisor-2 | https://hammas-sirius.fi/ | Clinic's website, home page read 2026-10-05: no link to a TripAdvisor page | 2026-10-05 |
Change History
| Date | Change |
|---|---|
| 2026-10-05 | TripAdvisor presence checked on 2026-10-05: no listing found for this clinic. |
| 2026-10-02 | Presence on review platforms checked on 2026-10-02: no profile on WhatClinic or Trustpilot; Dental Departures and Bookimed do not cover Finland. |
| 2026-09-10 | Name-verification pass 2026-09-10: 8 doctor(s) previously no-match against the own-site roster confirmed by re-reading the clinic's staff/team page(s) (Jani Aro; Heidi Harinen; Aleksi Kurth; Heikki Leipämaa; Petri Iso-Kungas; Timo Laitala; Meeri Ojala; Päivi Huttu); no data other than sources/license-passthrough changed. |
| 2026-09-08 | Checked by hand in a browser: the clinic’s Google Maps place page was opened in a real browser and read on both its Reviews and Overview tabs. Recorded from it: the rating re-verified against the star histogram, the review count, the histogram itself (19/0/0/1/0 = 20, weighted mean 4.850), review recency, the owner-reply state, the complaint reading and the manipulation reading from the eight most-relevant reviews, the lead owner photograph and the full published opening week. Fields this pass did not measure are untouched. |
| 2026-09-07 | Initial data collection: clinic website read across the front page, service pages, staff page, price list and emergency page; Google Maps place record read live. The listing is filed under a dentist's name rather than the clinic's, but at the clinic's own address and with its own website in the listing; the card keeps the clinic's own name and records the listing name in the summary and in the rating note. Review-side fields and both licence layers left unset with reasons and queued for a manual browser check. |
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.