Saiko-kai Aki Yamamoto Dental Clinic, located in Higashihama, Aki City, Kochi Prefecture, provides dental care with a focus on preventive treatment. Oral bacteria are believed to be associated not only with cavities but also with various systemic conditions such as aspiration pneumonia, dementia, and diabetes. The clinic adopts a policy of lowering the risk of systemic diseases and extending healthy lifespan through regular preventive treatments. In clinical practice, the clinic accumulates accurate evidence-based information daily, provides concrete and easy-to-understand explanations, and facilitates referrals to specialists when necessary. Regarding infection control, the clinic uses European-standard sterilizers and implements thorough sterilization measures for each treatment. This facility not only offers outpatient care but also home visit services to nursing facilities and hospitals, providing examinations and treatments at a level comparable to outpatient care. The clinic operates with a team of three dentists and has established a two-way collaboration system with internal medicine, orthopedics, and other medical departments. The facility includes parking and barrier-free accessibility, and provides services in multiple languages including English and Korean.