Kawana Dental Clinic is an English-speaking dental clinic located on the 1st floor of Mitsuri Kojimachi Building in Kojimachi, Chiyoda-ku, Tokyo. Business hours follow a two-shift system on weekdays from 9:30 AM to 6:30 PM, with Saturday morning appointments available by reservation only. Reception is available until 12:30 PM and 6:15 PM, and the clinic maintains a flexible system for emergency patients. The clinic is closed on the 2nd and 4th Saturdays, Sundays, and holidays, though emergency patients can be seen by appointment on holidays. Whether the clinic is open on the 1st, 3rd, and 5th Saturdays is announced on the official website calendar. Since there are extended closures such as year-end/new year and summer holidays, it is recommended to check the holiday schedule before visiting.