Located in Ogitsu-cho, Hitachi City, Ibaraki Prefecture, Nissei Dental Clinic (Kowaikai Medical Corporation) is a dental and orthodontic clinic conveniently located a 7-minute walk from the west exit of Ogitsu Station on the JR Jōban Line. The clinic offers a wide range of services from general dentistry such as cavity and periodontal disease treatment and denture adjustments to orthodontics, with particular emphasis on orthodontic care, including board-certified orthodontists from the Japanese Orthodontic Society. Additionally, the clinic participates in the Japanese Cleft Palate Association and continuously gathers the latest information on oral surgery. Treatment prioritizes minimally invasive procedures, with laser equipment and needle-free anesthesia syringes implemented to reduce patient burden. The clinic practices informed consent, allowing patients to choose their treatment methods after careful explanation, and is equipped with CT equipment for high-precision diagnostic and treatment environments. As a designated independent support medical institution (developmental and rehabilitation healthcare), the clinic has established partnerships with Oyu University Hospital and Hitachi General Hospital. Open until 7 PM on weekdays and 5:40 PM on weekends and holidays, the clinic is accessible to those who have difficulty visiting on weekdays. English-speaking staff are available, and there is parking for 8 vehicles.