Located in Miyakenaka, Matsubara City, Osaka Prefecture, Horiuchi Dental Clinic provides dental care centered on preventive dentistry. Clinical departments include pediatric dentistry, general dentistry, and periodontal surgery, and the clinic also offers painless treatment using nitrous oxide anesthesia. With the philosophy of promoting regular preventive dental visits rather than treating cavities after they develop, the clinic supports oral health maintenance so patients can enjoy eating with their own teeth throughout their lives. The facility features a kids' corner with large German-made play equipment, three completely private maintenance rooms, and a dedicated waiting room for maintenance patients. Seven parking spaces and bicycle parking are available, and free shuttle service is provided on weekday mornings. Treatment plans are developed based on patient preferences, and Visual Max communication tools are used to display digital X-rays and intraoral photos on a monitor for explanations. The clinic is known for painless treatment using topical anesthesia and nitrous oxide inhalation sedation, and also offers English-language services, credit card and electronic payment acceptance, and barrier-free accessibility.