DOCTOR & STAFF
Our clinic is staffed by specialists in general dentistry, oral surgery, implants, and orthodontics, along with experienced dental hygienists and in-house dental technicians. Through team-based care, we address all dental concerns and propose treatments you can feel confident about. From children to seniors, our entire team welcomes you as a lifelong partner in oral health.
Hello, I am Director Hiroshi Nishikawa. 
Our clinic is equipped with the latest technology and facilities to provide lifelong support. We offer advanced treatments including sleep apnea therapy, periodontal care, and implants. Our interior was carefully designed for patient comfort — with step-free access, spacious restrooms with baby-changing stations, and a safe kids’ area, welcoming patients of every age.
Director / Dentist
| 1979.9 | Born in Hokuto, Hokkaido |
| 2004.3 | Graduated from Tokyo Dental College |
| 2004.4 | Resident, Tokyo Dental College Suidobashi Hospital |
| 2005.4 | Kitaurawa Dental Clinic; Part-time at Saitama Perio-Implant Center; Orthodontic training at Uehara Dental |
| 2010.3 | Opened Nishikawa Dental Clinic |
| 2020.3 | Established Medical Corp. Sowan; Merged Nishikawa Dental Office |
| 2023.7 | Board-Certified Sleep Dentist (JSSR) |
| 2025.11 | DIO Implant Instructor; DIO Implant NYC Course Graduate |
Board-Certified Oral Surgeon
Board-Certified Oral Surgeon
Board-Certified Sleep Dentist
Orthodontist
Dental Hygienist
