Closed: Saturday, Sunday, National Holidays

Contact Kasumigaseki Dental Office Tokyo

(Please include “English preferred” in the Subject)

※Please include your NAME, Chief Complaint(s), Question(s), Telephone Number, indicate whether you have Japan National Health Inurance in the email. If you do not have Japanese number, but have WhatsApp, let us know your country code and number just in case we need to reach you.

News and Updates ・In-Office Whitening Special Deal for Limited Time! ¥33,000 → ¥22,000 (Upper and Lower)
・Concern about your child's teeth being crooked? We have PreOrtho mouthpiece options for ages 3 to 9 years old.

Our Philosophy


We aim to help you maintain your oral health in a great condition. We do not perform unnecessary procedures that may compromise your oral health. We listen to your voice, and customize treatment plan to cater to your dental needs.


Reception Desk

Waiting Area

Treatment Room


Kuniyasu (Max) Mori, DDS


  • 2001 St. Mary’s International School, Tokyo, Japan
  • 2005 University of Washington, B.S. in Physiology and minor in Chem
  • 2012 National Osaka University, DDS Degree
  • 2013 University of Michigan, Post-doc Scholar in Periodontics
  • 2015 UCLA, Completed clinical residency in Implant Dentistry


  • Zero Bone Loss Concept (Jpn Translation), Quintessence Publishing
  • Dynamic 3D Navigation Surgery using X-Guide, Quintessence Publishing
  • Peri-implant Classifications, Shikai Tenbou Publishing


  • Pre0rtho Provider (functional orthodontic for age 3 to 9) International Congress of Oral Implantology Fellow
  • Invisalign Provider Certificate
  • Certificate in Implant Dentistry (UCLA)
  • Passed U.S. National Board Dental Exam Part 1 and 2
  • Academy of Osseointegration Active Member

Message from the Director

We understand that being unable to communicate in Japanese and even being “lost in translation” are frustrating. We welcome foreigners residing in Japan, expats, and travelers to make yourself at home in our office in the heart of Tokyo. Do not hesitate to contact us for your dental needs/concerns.

Fees for non-JNHI holder

Initial/Follow-up Fee

¥11,000 / ¥3,300


CT(3D Images)


Panoramic(2D images)


Small(2D, partial)


Emergency Treatment


Implant Treatment

Surgical Placement


Implant Crown


Surgical Guide (for high accuracy)



Extraction Socket Regeneration

From ¥55,000

Socket Lift (Increase Sinus Height)

From ¥110,000

Clear Aligner(Invisalign iGo)

Simulation with Intraoral Scan


Treatment Planning


Invisalign (Mouthpiece Aligner) (Sets of Mouthpiece, for light crowding)

Both Upper and Lower


Either Upper or Lower


Comprehensive Orthodontic Treatment (For medium to severe crowding)
We provide free consultations with the Orthodontic specialist, and provide estimates.

Non-metal Crown

Zirconia(with Ceramic coating)


Full Zirconia


e.max (Lithium disilicate)


Non-metal Inlay / Onlay


From ¥88,000


From ¥77,000


In-Office Whitening

Upper and Lower


Home Whitening

mouthpiece included


Additional Whitening Gel

¥5,500 / 1 gel

White Spot Treatment (Icon Vestibular)

¥33,000 / 2 teeth

Ozone Decay Prevention (Heal-o-zone)



High Concentration Treatment

¥11,000 /tooth

※Do not hesitate to contact for more details, pricings, and treatment options.

Why choose Kasumigaseki Dental Office?

  • Native level English-speaking dentist (Available Mon, Tues, Wed, Fri)
  • Clinical experiences in UCLA (Los Angeles, USA)
  • International Congress of Oral Implantology Fellow and Certified Implantologist
  • We provide dental emergency care
  • We accept Japan National Health Insurace
  • We can fill out necessary claim form, and provide documentations for private insurance holder
  • We can refer to dental specialist when necessary
  • We apply Universal Precaution Protocol for Infection Control
  • We listen to you!

How to get to our Office

Office Hours

Monday to Friday
9:30AM – 1:30PM / 3:00PM – 7:00PM

Closed: Saturday, Sunday, National Holidays


Commongate Annex 1st Floor
Kasumigaseki Chiyoda-ku
Tokyo, 100-0013 Japan


Taking the Metro (Subway)
Toranomon Station (Ginza Line): 1 min. walk from Exit 11
Kasumigaseki Station (Hibiya, Chiyoda, Marunouchi Line): 3 min. walk from Exit 13