Kojima Dental Clinic is a dental clinic located in Samon-cho, Shinjuku Ward, offering services such as English support, credit card and electronic payments, and barrier-free access. The clinic is equipped with advanced facilities that enhance hygiene management and diagnostic accuracy. It features an ultra-fine bubble water supply system to maintain clean water quality and an extraoral vacuum system to reduce the risk of hospital-acquired infections, ensuring a safe treatment environment. Additionally, the clinic has introduced the SOLIO XZII arm-type X-ray CT diagnostic device, which allows detailed 3D examination of teeth and bone structure, and a microscope for high-magnification observation of affected areas. Through these state-of-the-art devices, the clinic provides advanced diagnosis and treatment, including early detection of lesions that are difficult to see with the naked eye and precise verification during root canal treatment. Closed days are Thursdays, Sundays, holidays, and year-end and New Year period. The clinic continues to invest in the latest technology and equipment to improve safety and quality of care.