Nagayama Dental Clinic, located on 7-jo Street in Asahikawa City, Hokkaido, has served the community as a comprehensive dental clinic since its establishment in 1985. Dr. Akihide Nagayama, the clinic director, graduated from Nihon University Matsudo Dental School, gained experience practicing in Asahikawa, and founded this clinic, supporting the oral health of local residents for many years. The clinic places particular emphasis on 'diagnosis' as the starting point of treatment. By conducting thorough patient interviews and accurate diagnosis, the clinic believes that subsequent treatment can be carried out more effectively, and respects informed consent, ensuring patients can fully understand the content and direction of their treatment. In terms of treatment philosophy, the clinic prioritizes preserving teeth without unnecessary removal or extraction, actively adopting conservative approaches such as vital pulp therapy and vital pulpotomy. The clinic offers a wide range of treatments, including tooth decay, root canal treatment, periodontal disease, and dentures, as well as implants, aesthetic treatment, and teeth whitening. Pediatric dentistry and home dental care are also available. In terms of equipment, the clinic is equipped with digital X-rays, dental CT, microscopes capable of magnification up to 80x, and 4K monitors, enabling precise diagnosis and procedures. The clinic provides services in English and features parking and barrier-free facilities, creating an accessible environment for patients with diverse needs.