Yamaguchi Dental Clinic, located in Haraki, Izu no Kuni City, Shizuoka Prefecture, has been providing community-rooted dental care since its establishment in 2002. The clinic's director, Dr. Takashi Yamaguchi, graduated from the Faculty of Dentistry at Ohu University, gained experience at a university hospital, and then founded the clinic. He holds certifications as a registered occlusion specialist of the Japan Occlusal Society and as a registered dentist of the Japan Diabetes Society. The clinic's fundamental treatment philosophy centers on "no extractions, no unnecessary drilling," with a strong emphasis on preserving the natural condition of teeth as much as possible. Services span a wide range, including general and pediatric dentistry, preventive dentistry, and periodontal disease prevention and treatment, with dedicated attention to brushing guidance and ongoing maintenance provided by experienced dental hygienists. The facility features a barrier-free design and is equipped with a kids' corner, picture books, and magazines, creating a welcoming environment for patients of all ages, from young children to the elderly. English-language support is available, and the clinic provides a parking lot with space for 10 vehicles. Hours of operation are 9:00 AM–1:00 PM and 3:00–7:00 PM, with the clinic closed on Thursdays, Sundays, and public holidays.