D.HIT is a Japanese dental hygienist production company based in Nakameguro, Tokyo, working to expand the career opportunities and influence of dental hygienists and promote preventive health. Its mission is to help dental hygienists turn their ideas and passion for prevention into action, while supporting people in living healthier, more fulfilling lives.

D.HIT offers personalized career coaching through Career Training, helping dental hygienists build career plans that reflect their strengths and changing life stages. Its specialist recruitment service connects dental hygienists with dental clinics, with dental hygienists themselves supporting the matching process. The company also provides staff management services for dental clinics, including projects designed to encourage staff initiative and help clinics achieve their goals.

Beyond the dental sector, D.HIT collaborates with companies to discuss health and prevention. It also supports corporate health initiatives through oral care advice and services delivered by qualified dental hygienists, including saliva testing and guidance for employees. D.HIT aims to create new opportunities and increase public awareness of the role dental hygienists play in prevention.