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Lion Heart Dental is not provider of Japanese National Health Insurance (国民健康保険 Kokumin Kenko-Hoken) and Employees' Health Insurance (社会健康保険 Kenkō-Hoken).
Starting from 2025, Lion Heart Dental will continue to provide our international services at our new location.
〒270-1606 Chiba, Inzai, Hirakagakuendai, 3 Chome−2−1



Dr. Ryota Kimura, DDS, PhD
Dr. Ryota Kimura, DDS, PhD, is a board-certified specialist in oral and maxillofacial surgery, with additional expertise in restorative and aesthetic dentistry.
Dr. Kimura earned his Doctor of Dental Surgery (DDS) degree from Tokyo Dental College in 2007 and his PhD in Medicine from the University of Chiba - Graduate School of Medical and Pharmaceutical Sciences in 2017, where he made significant contributions to oral cancer research. Upon completing his PhD, he received board certification in oral and maxillofacial surgery from the Japanese Society of Oral and Maxillofacial Surgeons.
Dr. Kimura is committed to remaining at the forefront of his field, actively seeking global opportunities to expand his knowledge and expertise. He regularly attends international seminars, ensuring he stays informed on the latest advancements in oral surgery.
In 2015, after years of rigorous training, research, and hands-on experience at leading hospitals across Japan, Dr. Kimura established his private practice near Narita International Airport. His passion for aesthetic dentistry further motivated him to pursue a masterclass in Aesthetic Dentistry at the UCL Eastman Dental Institute in London. Additionally, he has attended numerous advanced dental seminars in prestigious cities such as Dubai, London, Venice, and Tokyo, continually refining his skills and knowledge.
Dr. Kimura is dedicated to delivering world-class care, focusing on preserving the integrity of his patients' teeth while restoring both function and aesthetics with precision. Guided by the meticulous attention to detail inherent in Japanese culture, Dr. Kimura approaches every case with the utmost care, ensuring the highest standards of treatment and exceptional results.

2007 | Graduated from Tokyo Dental College - Doctor of Dental Surgery (DDS) |
2007-2008 | Dental Clinical Training at Tokyo Dental College Ichikawa General Hospital |
2008 | Further Training in Chiba University Hospital School of Medicine - Department of Dentistry and Maxillofacial Surgery. |
2009 | Further Training in Chiba University School of Medicine - Department of Anaesthesiology. |
2010 | Worked at Tateyama Hospital as Director of Dental and Oral Surgery. |
2014 | Obtained a PhD in Medicine from Chiba University - Graduate School of Medical and Pharmaceutical Sciences, oral cancer research. |
2014 | Became a Board-Certified Specialist in Oral and Maxillofacial Surgery. |
2014-2015 | Work in Kashima Rosai Hospital, Japan Workers' Health and Welfare Organization (Independent Administrative Agency) as Director of Dental and Oral Surgery. |
2015 | Opened private practice in Chiba. |
2018 | Finished Masterclass in Aesthetic Dentistry at UCL Eastman Dental Institute London. |
2015-2019 | Worked at a well-known cosmetic clinic in Tokyo. |
2019-2022 | Worked at an international dental clinic in Roppongi Midtown. |
2023 | Opened Lion Heart Dental International Clinic. |
2024 | Attended various seminars in restorative & aesthetic dentistry worldwide including location such as Dubai, London, Venice and in Tokyo. |