元麻布ヒルズデンタルクリニック (Motoazabu Hills Dental Clinic)
According to our open methodology, this clinic scored 72.8/100 for transparency, reputation, service accessibility, and digital visibility.
Overall rank: #8 of 21 ranked clinics · Last checked: 6 September 2026
Positions by Rating Profile
- Overall Transparency & Trust#872.8/100
- Best for Expats#870.3/100
- Best for Dental Implants#769.3/100
- Best for Emergency Dental Carenot ranked
- Best Price Transparency#380.3/100
- Best English-speaking Clinics#671/100
- Best for Families / Children#670.9/100
- 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
Two-dentist practice in the basement of Motoazabu Hills, running an adjunct implant centre and publishing a bilingual (Japanese/English) fee table that covers aesthetics, implants, periodontal surgery, whitening, prevention, fillings, endodontics, paediatric fluoride and orthodontics. Both dentists are named with their training histories and both are confirmed in the national dentist register. The clinic accepts Japanese health insurance, offers a free consultation of up to 30 minutes and gives one hour of free parking; there is an English landing page but the rest of the site is Japanese.
Strengths
- Information Transparency: 20 of 20 points.
- Price Transparency: 13 of 15 points.
- No red flags identified in public sources.
Weaknesses
- AI & Search Visibility: 3 of 10 verifiable points (missing: mentioned for: English speaking dentist Japan; mentioned for: dental implants Japan; mentioned for: emergency dentist Japan; structured data on website; 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 白倉 健司 (Dr. Kenji Shirakura) and 鈴木 順 (Dr. Jun Suzuki). [s2] | 3/3 |
| ✓ | Dentist specializations listed Advanced periodontology under Prof. Takashi Miyata; IDA implant course; JIADS periodontal surgery and regeneration courses; UCLA perio-implant training. [s2] | 2/2 |
| ✓ | Real clinic photos [s5] | 2/2 |
| ✓ | Service list published [s4] | 3/3 |
| ✓ | Clear contact details [s1] [s3] | 2/2 |
| ✓ | English website version English landing page; the fee table is bilingual, the remaining pages are Japanese only. [s3] | 2/2 |
| ✓ | Address and map published [s5] | 2/2 |
Price Transparency
Whether patients can estimate costs before visiting. Published price ranges count; exact prices are not required.
| ✓ | Prices or price ranges published Permanent tax-inclusive fee table covering aesthetics, implants, periodontal surgery, whitening, prevention, fillings, endodontics, paediatric and orthodontic treatment. [s6] | 3/3 |
| ✓ | Cleaning price listed PMTC JPY 8,800; 3DS JPY 9,900. [s6] | 2/2 |
| ✓ | Filling price listed Gold filling JPY 44,000; hybrid white inlay JPY 44,000; all-ceramic inlay JPY 66,000. [s6] | 2/2 |
| ✓ | Crown price listed Porcelain-fused-to-metal crown JPY 110,000; all-ceramic crown JPY 165,000. [s6] | 2/2 |
| ✓ | Implant price listed Single tooth JPY 440,000; full-arch All-on-4 JPY 2,860,000. [s6] | 2/2 |
| ✓ | Consultation price listed Consultations of up to 30 minutes are stated to be free; referral letters to specialists are charged separately. [s6] | 2/2 |
| ✗ | X-ray / imaging price listed No imaging line in the published fee table. [s6] | 0/2 |
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) Star histogram read live on 2026-09-06 from the place page: 63 five-star, 3 four-star, 0 three-star, 0 two-star, 1 one-star. The buckets sum to 67, matching the 67 in the place-page header exactly, and the weighted mean 4.896 reproduces the published 4.9. [gmp1] | 5/6 |
| ◐ | Google review volume Read live on 2026-09-06 from the place-page header; the star histogram sums to the same figure. [gmp1] | 1.5/3 |
| ✓ | Review recency The newest review visible is 3 months old, which proves the within-3-months bucket and no better. Sample: the 3 reviews Google Maps renders on the place page in its own relevance order. The Newest sort does not open to the extension (re-tested on this run by opening the Reviews tab and scrolling the panel, which returned the same three reviews), so no fresher slice is available. [gmp1] | 3/3 |
| ✗ | Clinic responds to reviews No owner reply appears under any visible review. Sample: the 3 reviews Google Maps renders on the place page in its own relevance order. The Newest sort does not open to the extension (re-tested on this run by opening the Reviews tab and scrolling the panel, which returned the same three reviews), so no fresher slice is available. [gmp1] | 0/2 |
| ✓ | No recurring complaints No review in the visible sample is critical; the histogram carries one one-star rating in 67. Sample: the 3 reviews Google Maps renders on the place page in its own relevance order. The Newest sort does not open to the extension (re-tested on this run by opening the Reviews tab and scrolling the panel, which returned the same three reviews), so no fresher slice is available. [gmp1] | 2/2 |
| ✓ | No suspicious review patterns Histogram shape, spread of wording and dates, and reviewer-account variety show no sign of manipulation. Sample: the 3 reviews Google Maps renders on the place page in its own relevance order. The Newest sort does not open to the extension (re-tested on this run by opening the Reviews tab and scrolling the panel, which returned the same three reviews), so no fresher slice is available. [gmp1] | 2/2 |
| ? | Active Facebook presence | 0/1 |
| ? | TripAdvisor presence | 0/0.5 |
| ? | Other review platforms | 0/0.5 |
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 Adjunct Azabu International Implant Center. [s4] [s6] | 2/2 |
| ✓ | Orthodontics Full-mouth JPY 880,000; minor tooth movement JPY 55,000; phase-1 paediatric JPY 330,000. [s6] | 2/2 |
| ✓ | Oral surgery Periodontal surgery, bone and tissue grafting, regenerative therapy. [s6] | 2/2 |
| ✓ | Pediatric dentistry Fluoride application and phase-1 paediatric orthodontics listed. [s6] | 1.5/1.5 |
| ? | Emergency care | 0/1.5 |
| ✓ | Works with international patients English landing page addressed to patients in Tokyo; bilingual fee table. [s3] | 2/2 |
Communication & Service
How easy it is to contact the clinic, get answers, and book - especially for international patients.
| ? | WhatsApp / LINE available | 0/2 |
| ? | Response speed | 0/1.5 |
| ✓ | English spoken English landing page written in the clinic's own voice; fee table published bilingually. [s3] | 2.5/2.5 |
| ✓ | Pre-visit consultation possible Free consultation of up to 30 minutes, by appointment; online enquiry form. [s6] [s7] | 1.5/1.5 |
| ✓ | Clear service explanations [s4] | 1/1 |
| ✓ | Convenient opening hours Mon-Fri 09:30-13:00 and 14:30-19:00, Saturday 10:00-13:00 and 14:00-17:00; closed Sundays. [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 Japan", "English speaking dentist Japan", "dental implants Japan", "emergency dentist Japan", "Japan dental clinic for expats".
| ✓ | Mentioned for: best dentist Japan [q1] | 1/1 |
| ✗ | Mentioned for: English speaking dentist Japan [q2] | 0/1 |
| ✗ | Mentioned for: dental implants Japan [q3] | 0/1 |
| ✗ | Mentioned for: emergency dentist Japan [q4] | 0/1 |
| ✓ | Mentioned for: Japan dental clinic for expats [q5] | 1/1 |
| ✗ | Structured data on website No JSON-LD or microdata found in the served HTML. [s1] | 0/1.5 |
| ◐ | Google indexing quality own domain hills-dc.com appears twice (concept and clinic-access pages) from position 5, behind Yelp, a doctor directory, a government medical-facility registry and another directory (WebSearch 2026-09-07) [giq1] | 1/2 |
| ✗ | Dedicated service pages All treatments are described on a single page rather than on separate service pages. [s4] | 0/1.5 |
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: 医療機関コード 3139912570 — registered 歯科診療所, Tokyo, MHLW 医療情報ネット; operator 医療法人社団順健会, managing dentist 白倉 健司, facility record last updated 2026/1/23. Corroborated by the MHLW open-data release of the same register, snapshot 2025-12-01. (Re-checked 2026-09-04: the 関東信越厚生局 dental 保険医療機関 designation list (as of 2026-09-01, all 10,292 rows) was searched by telephone number, facility name, 開設者 and 管理者 and returns no entry for this clinic, although its own English page states "We Accept Health Insurance." Absence from that list is not evidence of a missing licence — the clinic is registered in the statutory 医療情報ネット facility register — but the discrepancy is left as recorded and is a question for the owner.) [reg1] [reg2] [reg4]
Dentists & professional licences
| Dentist | Specialization | Licence No. |
|---|---|---|
| 白倉 健司 (Dr. Kenji Shirakura) [s2] [reg1] [reg3] | Managing dentist; periodontology (trained under Prof. Takashi Miyata), implants | Registered 歯科医師 — MHLW 医師等資格確認検索, year of registration 平成16年 (2004). The register publishes no registration number. |
| 鈴木 順 (Dr. Jun Suzuki) [s2] [reg3] | General and paediatric dentistry, periodontal surgery and implants (JIADS advanced courses, UCLA perio-implant training) | Registered 歯科医師 — MHLW 医師等資格確認検索, year of registration 平成16年 (2004). The register publishes no registration number. |
Red Flags
No red flags identified in the public sources we reviewed.
Data We Could Not Verify
- Reputation & Reviews: Active Facebook presence
- Reputation & Reviews: TripAdvisor presence
- Reputation & Reviews: Other review platforms
- Medical Infrastructure: On-site X-ray
- Medical Infrastructure: CBCT (3D imaging)
- Medical Infrastructure: Emergency care
- Communication & Service: WhatsApp / LINE available
- Communication & Service: Response speed
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.hills-dc.com/ |
|---|---|
| Phone | +81 3-5730-3900 |
| Google Maps | Map listing |
| Address | 〒106-0046 東京都港区元麻布1-3-3 元麻布ヒルズフォレストテラスウエスト地下1階 (Motoazabu Hills Forest Terrace West B1, 1-3-3 Motoazabu, Minato-ku, Tokyo) |
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.hills-dc.com/ | Clinic name, contacts, opening hours | 2026-09-04 |
| s2 | https://www.hills-dc.com/concept | Named dentists and their training | 2026-09-04 |
| s3 | https://www.hills-dc.com/index_e | English page, international-patient positioning, insurance acceptance | 2026-09-04 |
| s4 | https://www.hills-dc.com/treatment | Service descriptions | 2026-09-04 |
| s5 | https://www.hills-dc.com/clinic | Photographs of the premises, address and access | 2026-09-04 |
| s6 | https://www.hills-dc.com/price | Bilingual tax-inclusive fee table and free consultation policy | 2026-09-04 |
| s7 | https://www.hills-dc.com/faq | Consultation and enquiry arrangements | 2026-09-04 |
| reg1 | https://www.iryou.teikyouseido.mhlw.go.jp/znk-web/juminkanja/S2430/… | MHLW 医療情報ネット (ナビイ) — the statutory facility register kept under 医療法第6条の3: official name, operator 医療法人社団順健会, managing dentist 白倉 健司, English-language support recorded, last updated 2026/1/23 | 2026-09-04 |
| reg2 | https://data.e-gov.go.jp/data/dataset/iryou_teikyouseido_mhlw | MHLW open data 03-1_dental_facility_info_20251201.csv (snapshot 2025-12-01) — facility ID 1333139912570, official name and address | 2026-09-04 |
| reg3 | https://licenseif.mhlw.go.jp/search_isei/jsp/top.jsp | MHLW 医師等資格確認検索 (dentist register), snapshot 2026-09-04 | 2026-09-04 |
| reg4 | https://kouseikyoku.mhlw.go.jp/kantoshinetsu/chousa/shitei.html | 関東信越厚生局 Tokyo dental designation list as of 2026-09-01, read to the last of 10,292 rows | 2026-09-04 |
| q1 | search:best dentist Tokyo | Canonical patient-visibility query, run 2026-09-04 | 2026-09-04 |
| q2 | search:English speaking dentist Tokyo | Canonical patient-visibility query, run 2026-09-04 | 2026-09-04 |
| q3 | search:dental implants Tokyo | Canonical patient-visibility query, run 2026-09-04 | 2026-09-04 |
| q4 | search:emergency dentist Tokyo | Canonical patient-visibility query, run 2026-09-04 | 2026-09-04 |
| q5 | search:Tokyo dental clinic for expats | Canonical patient-visibility query, run 2026-09-04 | 2026-09-04 |
| gmp1 | https://www.google.com/maps/place/Motoazabu+Hills+Dental+Clinic/@35… | Live Google Maps place page read in a browser: rating, review count, star histogram, review dates, owner replies, listing website, phone, address and pin coordinates | 2026-09-06 |
| giq1 | search:元麻布ヒルズデンタルクリニック 東京 Motoazabu Hills Dental Clinic Tokyo | own domain hills-dc.com appears twice (concept and clinic-access pages) from position 5, behind Yelp, a doctor directory, a government medical-facility registry and another directory | 2026-09-07 |
Change History
| Date | Change |
|---|---|
| 2026-09-06 | Combined browser pass (agent I-3, korea + japan): the Google Maps place page was opened in a real browser and read for rating, review count, star histogram, review recency, owner replies, complaint and manipulation reading, listing website, phone, address and pin coordinates; the country worklist rows that needed a rendering browser were worked through on the clinic's own channels. |
| 2026-09-04 | Adversarial verification pass 2026-09-04: geo added from the MHLW 医療情報ネット open data (snapshot 2025-12-01, facility ID 1333139912570); both dentists reproduced in the national register (平成16年 each); every figure in the bilingual fee table re-read and confirmed; the health-insurance discrepancy re-tested against the full 厚生局 list. |
| 2026-09-04 | Initial data collection for the Japan Dental Transparency & Trust Index: verified against the clinic's own website and bilingual fee table, the MHLW 医療情報ネット facility register and its open-data twin, and the MHLW dentist qualification search. |
A question or a correction?
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