Located in Funakicho, Ibaraki City, Osaka Prefecture, Yoshioka Dental Clinic is a dental facility equipped with a multilingual environment including English support. This clinic serves as the secretariat for the Japanese Whitening Association (JWA) and is operated by the association's president, Dr. Nobushiro Yoshioka. In terms of treatment, the clinic provides orthodontic care using the Invisalign® system, which is a new approach combining the latest orthodontic theory, 3D imaging technology, and CAD/CAM technology. As of January 2018, over 5.2 million patients worldwide have received treatment. Clinic hours are from Monday to Saturday; Wednesday is generally closed, but if there is a holiday in the same week, the clinic will be open. Afternoon sessions are from 2:00 PM to 6:00 PM on Mondays, Fridays, and Saturdays, and from 2:00 PM to 7:00 PM on Tuesdays and Thursdays. The facility is equipped with parking and barrier-free access, and accepts credit cards and electronic payments. Regular closures include year-end and New Year holidays, summer vacation, and Golden Week holidays.