HIRONORI MIYAZAKI

Last Updated :2026/08/06

Affiliations, Positions
Hiroshima University Hospital, Assistant Professor
E-mail
hiro1906hiroshima-u.ac.jp
Self-introduction
I specialize in dental practice aimed at maintaining and improving oral function in patients requiring special care, including those with medical conditions and disabilities. In addition, my research on central circulatory regulation, cardiovascular function, and nitrous oxide/oxygen inhalation sedation focuses on establishing safer dental treatment methods.

Basic Information

Educational Backgrounds

  • Hiroshima Univesity, Graduate School of Biomedical and Health Sciences, Japan, 2019/04, 2024/01
  • Hiroshima University, Japan, 2012/04, 2018/03

Academic Degrees

  • Hiroshima University

Educational Activity

  • [Bachelor Degree Program] School of Dentistry : Program of Dentistry : Dentistry
  • [Doctoral Program] Graduate School of Biomedical and Health Sciences : Division of Biomedical Sciences : Program of Dental Sciences

Research Fields

  • Medicine,dentistry, and pharmacy;Dentistry;Social dentistry

Research Keywords

  • Cardiovascular control
  • Special needs dentistry

Affiliated Academic Societies

  • Japanese Society for Disability and Oral Health
  • Japanese Society of Gerodontology
  • Japanese Society of Dentistry for Medically Compromised Patient
  • Japanese Society of Dysphagia Rehabilitation

Educational Activity

Course in Charge

  1. 2026, Undergraduate Education, 1Term, Dentistry for Persons with Disabilities
  2. 2026, Undergraduate Education, First Semester, Dental Research Practices I
  3. 2026, Undergraduate Education, Second Semester, Dental Research Practices II
  4. 2026, Undergraduate Education, First Semester, Dental Research Practices III
  5. 2026, Undergraduate Education, Year, Clinical Practice (Dentistry for Persons with Disabilities)
  6. 2026, Undergraduate Education, 1Term, Dentistry for Persons with Disabilities
  7. 2026, Undergraduate Education, 1Term, Dentistry for Persons with Disabilities

Research Activities

Academic Papers

  1. Efficacy of Sonic-Powered Toothbrushing by Caregivers in Individuals With Severe Disability: A Randomized Parallel-Group Study, INTERNATIONAL JOURNAL OF DENTAL HYGIENE, 24(3), 451-460, 202608
    Link to Paper Search Results by DOI
  2. Clinical characteristics and risk classification of patients with congenital heart disease at a tertiary medical institution for special care dentistry, JJSDH, 46(3), 193-199, 202510
  3. Prolonged corrected QT interval is associated with cardiac sympathetic nervous function overactivity in patients with severe aortic stenosis: assessment by 123I-metaiodobenzylguanidine myocardial scintigraphy, Heart and Vessels, 40(11), 1048-1057, 20250511
  4. Reproducibility of tongue pressure values in adults with Down syndrome., Special Care in Dentistry, e70005, 202501
  5. A Case of Systemic Management for an Autism Spectrum Disorder and Dental Phobia Patient with Fontan Circulation., JJSDOH, 45(2), 104-111, 20240630
  6. A Study of Dental Visits and Related Factors of Special Needs Patients During the Covid-19 Pandemic., JJSDOH, 45(2), 104-111, 20240630
  7. A Case in Which a Patient with Down Syndrome with an Unoperated Complete Endocardial Defect Who Developed a Brain Abscess after Multiple Tooth Extractions was Treated Immediately through Multidisciplinary Collaboration Prepared in Advance., JJSDOH, 45(2), 94-103, 20240630
  8. The effects of nitrous oxide-oxygen inhalation sedation on autonomic response to dental scaling in patients with severe motor and intellectual disabilities., JJSDH, 45(1), 9-19, 20240229
  9. ★, Repetitive pain experiences modulate feedforward control of hemodynamics and modification by nitrous oxide/oxygen inhalation sedation in humans., Heliyon, e231219, 202312
  10. A Study on Age-related Changes in Prosthesis-wearing Rate in Person with Disabilities: Comparison with the 2016 Survey of Dental Diseases, JJSDH, 43(1), 26-33, 20220201
  11. Incisive canal cyst in an intellectually disabled patient with first and second branchial arch syndrome: a case report., JJSDH, 42(3), 258-263, 20211015
  12. Relationship between baroreflex sensitivity and blood pressure reduction during dental treatments under intravenous sedation with propofol., JJMCP, 30(2), 88-96, 202103
  13. Research on Current Status and Clinico-Statistical Analysis of Intravenous Sedation at Special Care Dental Clinic of Hiroshima University Hospital., J Hiroshima Univ Den Soc, 52(1), 1-6, 202006

Invited Lecture, Oral Presentation, Poster Presentation

  1. Chronological changes in the oral mucosal microbiota of older patients receiving tube feeding and requiring nursing care, Hironao Asahina, Yoshiyuki Okada, Ryo Nishino, Kahoru Todoroki, Yuriko, Yoshida, Hironori Miyazaki, Yoshifumi Nishio, Masako Morimoto, Hisaho Yamaguchi, Tadashi Ogasawara, The 42nd Annual Meeting of the Japanese Society for Disability and Oral Health, 2025/11/02, Without Invitation, Japanese
  2. Copy denture fabrication using optical impressions for a demented patient with communication difficulties: A case report, Ryo Nishino, Chiaki Furutani, Yoshifumi Nishio, Masako Morimoto, Hisaho Yamaguchi, Takuya Miyagi, Hironori Miyazaki, Hironao, Asahina, Rieko Fujiwara, Yuriko Yoshida, Yoshiyuki Okada, The 42nd Annual Meeting of the Japanese Society for Disability and Oral Health, 2025/11/02, Without Invitation, Japanese
  3. Study on acute regression in patients with down syndrome, Rieko Fujiwara, Chiaki Shimizu, Ryo Nishino, Hironao Asahina, Hisaho Yamaguchi, Yoshifumi Nishio, Hironori Miyazaki, Masako Morimoto, Takuya Miyagi, Yuriko Yoshida, Yoshiyuki Okada, The 42nd Annual Meeting of the Japanese Society for Disability and Oral Health, 2025/11/02, Without Invitation, Japanese
  4. Preliminary study of the plaque removal effect of the use of a brush comprising a nonwoven fabric and a mouthpiece, Takuya Miyagi, Yuriko Yoshida, Chiaki Shimizu, Hironao Asahina, Rieko Fujiwara, Hironori Miyazaki, Masako Morimoto, Yoshifumi Nishio, Hisaho Yamaguchi, Ryo Nishino, Yoshiyuki Okada, The 42nd Annual Meeting of the Japanese Society for Disability and Oral Health, 2025/11/02, Without Invitation, Japanese
  5. Relationship between competition level and the incidence of caries in participants in the Special Olympics, Yuriko Yoshida, Hisaho Yamaguchi, Hironori Miyazaki, Masako Morimoto, Yoshifumi Nishio, Ryo Nishino, Takuya Miyagi, Rieko Fujiwara, Hironao Asahina, Yoshiyuki Okada, The 42nd Annual Meeting of the Japanese Society for Disability and Oral Health, 2025/11/02, Without Invitation, Japanese
  6. A randomized crossover trial to evaluate the efficacy of licking training on oral hypofunction in patients with Down syndrome, Hisaho Yamaguchi, Yuki Oda, Masako Morimoto, Yoshifumi Nishio, Hironori Miyazaki, Hironao Asahina, Chiaki Furutani, Rieko Fujiwara, Ryo Nishino, Takuya Miyagi, Yuriko Yoshida, Yoshiyuki Okada, The 42nd Annual Meeting of the Japanese Society for Disability and Oral Health, 2025/11/02, Without Invitation, Japanese
  7. Exploratory study of the stress-reducing effects of probiotics in autism spectrum disorder, Chiaki Furutani, Masako Morimoto, Yoshifumi Nishio, Ryo Nishino, Rieko Fujiwara, Hironori Miyazaki, Yuki Oda, Yoshiyuki Okada, The 42nd Annual Meeting of the Japanese Society for Disability and Oral Health, 2025/11/02, Without Invitation, Japanese
  8. Predicted increase in muscle sympathetic nerve activity by repeated pain experiences and modification by nitrous oxide inhalation, Hironori Miyazaki, Yoshifumi Nishio, Hisaho Yamaguchi, Ryo Nishino, Masako Morimoto, Chiaki Furutani, Yuriko Yoshida, Yoshiyuki Okada, The 42nd Annual Meeting of the Japanese Society for Disability and Oral Health, 2025/11/02, Without Invitation, Japanese
  9. Regulation of muscle sympathetic nerve activity and cardiac output in patients with pacemakers, Yoshifumi Nishio, Ryo Nishino, Hironori Miyazaki, Hisaho Yamaguchi, Masako Morimoto, Yuriko Yoshida, Yoshiyuki Okada, The 42nd Annual Meeting of the Japanese Society for Disability and Oral Health, 2025/11/02, Without Invitation, Japanese
  10. 16S rRNA metagenome analysis of bacteria in oral membranous substances using next-generation sequencers, Hironao Asahina, Hirotaka Isse, Yoshiyuki Okada, Rieko Fujiwara, Chiaki Furutani, Takuya Miyagi, Ryo Nishino, Yoshifumi Nishio, Masako Morimoto, Hisaho Yamaguchi, Hironori Miyazaki, Yuriko Yoshida, Tadashi Ogasawara, The 42nd Annual Meeting of the Japanese Society for Disability and Oral Health, 2025/11/02, Without Invitation, Japanese
  11. The use of nitrous oxide/oxygen inhalation sedation in our department, Hironori Miyazaki, Ryo Nishino, Takuya Miyagi, Yoshifumi Nishio, Masako Morimoto, Chiaki Furutani, Yuriko Yoshida, Yoshiyuki Okada, Hironori Miyazaki, Ryo Nishino, Takuya Miyagi, Yoshifumi Nishio, Masako Morimoto, Chiaki Furutani, Yuriko Yoshida, Yoshiyuki Okada, The 27th International Association for Disability & Oral Health 2024, 2024/09/27, Without Invitation, English, International Association for Disability and Oral Health, Seoul, Korea
  12. Prevalence of Congenital Heart Disease in Patients Visiting a Department of Special Care Dentistry at a University Hospital in Japan, Ryo Nishino, Hironori Miyazaki, Yuriko Yoshida, Chiaki Shimizu, Hironao Asahina, Rieko Fujiwara, Yoshifumi Nishio, Masako Morimoto, Hisaho Yamaguchi, Takuya Miyagi, Yoshiyuki Okada, Ryo Nishino, Hironori Miyazaki, Yuriko Yoshida, Chiaki Shimizu, Hironao Asahina, Rieko Fujiwara, Yoshifumi Nishio, Masako Morimoto, Hisaho Yamaguchi, Takuya Miyagi, Yoshiyuki Okada, The 27th International Association for Disability & Oral Health 2024, 2024/09/27, Without Invitation, English, International Association for Disability & Oral Health, Seoul, Korea
  13. A Case Report of Oral Hygiene Management in a Patient with Gaucher Disease Type II, Rieko Fujiwara, Hironao Asahina, Hisaho Yamaguchi, Yoshifumi Nishio, Hironori Miyazaki, Masako Morimoto, Ryo Nishino, Yuriko Yoshida, Yoshiyuki Okada, Rieko Fujiwara, Hironao Asahina, Hisaho Yamaguchi, Yoshifumi Nishio, Hironori Miyazaki, Masako Morimoto, Ryo Nishino, Yuriko Yoshida, Yoshiyuki Okada, The 27th International Association for Disability & Oral Health 2024, 2024/09/27, Without Invitation, English, International Association for Disability & Oral Health, Seoul, Korea
  14. Effects of Nitrous Oxide Inhalation on the Regulation of Arterial Pulse Wave, Masako Morimoto, Yoshifumi Nishio, Hironori Miyazaki, Ryo Nishino, Yuriko Yoshida, Yuki Oda, Yoshiyuki Okada, Masako Morimoto, Yoshifumi Nishio, Hironori Miyazaki, Ryo Nishino, Yuriko Yoshida, Yuki Oda, Yoshiyuki Okada, The 27th International Association for Disability & Oral Health 2024, 2024/09/27, Without Invitation, English, International Association for Disability & Oral Health, Seoul, Korea
  15. Impaired cardiac baroreflex in patients with pacemakers is compensated by an increase in sympathetic reactivity, Yoshifumi Nishio,Ryo Nishino, Hisaho Yamaguchi, Masako Morimoto, Hironori Miyazaki, Yuriko Yoshida, Yoshiyuki Okada, Yoshifumi Nishio,Ryo Nishino, Hisaho Yamaguchi, Masako Morimoto, Hironori Miyazaki, Yuriko Yoshida, Yoshiyuki Okada, The 27th International Association for Disability & Oral Health 2024, 2024/09/27, Without Invitation, English, International Association for Disability & Oral Health, Seoul, Korea
  16. Chronological changes in the oral mucosal microbiota of older patients receiving tube feeding and requiring nursing care, Hironao Asahina, Yoshiyuki Okada, Ryo Nishino, Kahoru Todoroki, Yuriko Yoshida, Hironori Miyazaki, Yoshifumi Nishio, Masako Morimoto, Hisaho Yamaguchi, Tadashi Ogasawara, Hironao Asahina, Yoshiyuki Okada, Ryo Nishino, Kahoru Todoroki, Yuriko Yoshida, Hironori Miyazaki, Yoshifumi Nishio, Masako Morimoto, Hisaho Yamaguchi, Tadashi Ogasawara, The 27th International Association for Disability & Oral Health 2024, 2024/09/27, Without Invitation, English, International Association for Disability & Oral Health, Seoul, Korea
  17. Pharmacologic Behavioral Adjustment Methods in University Hospital Disability Dentistry, Miyazaki Hironori, Nishino Ryo, Miyagi Takuya, Nishio Yoshifumi, Morimoto Masako, Furutani Chiaki, Yoshida Yuriko, Okada Yoshiyuki, Miyazaki Hironori, Nishino Ryo, Miyagi Takuya, Nishio Yoshifumi, Morimoto Masako, Furutani Chiaki, Yoshida Yuriko, Okada Yoshiyuki, 41st Annual Meeting of the Japanese Society for Disability and Oral Health, 2024/12/14, Without Invitation, Japanese, Japanese Society for Disabillity and Oral Health, Okinawa, Japan
  18. Pacemaker patients have an increased sympathetic baroreflex to maintain blood pressure regulation, Nishio Yoshifumi, Nishino Ryo, Miyazaki Hironori, Yamaguchi Hisaho, Morimoto Masako, Yoshida Yuriko, Okada Yoshiyuki, Nishio Yoshifumi, Nishino Ryo, Miyazaki Hironori, Yamaguchi Hisaho, Morimoto Masako, Yoshida Yuriko, Okada Yoshiyuki, 41st Annual Meeting of the Japanese Society for Disability and Oral Health, 2024/12/14, Without Invitation, Japanese, Japanese Society for Disabillity and Oral Health, Okinawa, Japan
  19. Effect of nitrous oxide inhalation sedation on central arterial pulse wave components, Morimoto Masako, Nishio Yoshifumi, Miyazaki Hironori, Nishino Ryo, Yoshida Yuriko, Yuki Oda, Okada Yoshiyuki, Morimoto Masako, Nishio Yoshifumi, Miyazaki Hironori, Nishino Ryo, Yoshida Yuriko, Yuki Oda, Okada Yoshiyuki, 41st Annual Meeting of the Japanese Society for Disability and Oral Health, 2024/12/14, Without Invitation, Japanese, Japanese Society for Disabillity and Oral Health, Okinawa, Japan
  20. Effect of nitrous oxide inhalation sedation on central arterial pulse wave components, Morimoto Masako, Nishio Yoshifumi, Miyazaki Hironori, Nishino Ryo, Yoshida Yuriko, Yuki Oda, Okada Yoshiyuki, Morimoto Masako, Nishio Yoshifumi, Miyazaki Hironori, Nishino Ryo, Yoshida Yuriko, Yuki Oda, Okada Yoshiyuki, 41st Annual Meeting of the Japanese Society for Disability and Oral Health, 2024/12/14, Without Invitation, Japanese, Japanese Society for Disabillity and Oral Health, Okinawa, Japan
  21. A case report on oral hygiene management of patients with Gaucher's disease type II, Fujiwara Rieko, Asahina Hironao, Yamaguchi Hisaho, Nishio Yoshifumi, Miyazaki Hironori, Morimoto Masako, Nishino Ryo, Miyagi Takuya, Yoshida Yuriko, Okada Yoshiyuki, Fujiwara Rieko, Asahina Hironao, Yamaguchi Hisaho, Nishio Yoshifumi, Miyazaki Hironori, Morimoto Masako, Nishino Ryo, Miyagi Takuya, Yoshida Yuriko, Okada Yoshiyuki, 41st Annual Meeting of the Japanese Society for Disability and Oral Health, 2024/12/14, Without Invitation, Japanese, Japanese Society for Disabillity and Oral Health, Okinawa, Japan
  22. A case of massive bleeding from a bedsore on the sitz bone during dental treatment, which was difficult to stop bleeding, Yoshida Yuriko, Nishino Ryo, Miyazaki Hironori, Nishio Yoshifumi, Yamaguchi Hisano, Morimoto Masako, Fujiwara Rieko, Asahina Hironao, Oda Yuki, Okada Yoshiyuki, Yoshida Yuriko, Nishino Ryo, Miyazaki Hironori, Nishio Yoshifumi, Yamaguchi Hisano, Morimoto Masako, Fujiwara Rieko, Asahina Hironao, Oda Yuki, Okada Yoshiyuki, 41st Annual Meeting of the Japanese Society for Disability and Oral Health, 2024/12/14, Without Invitation, Japanese, Japanese Society for Disabillity and Oral Health, Okinawa, Japan
  23. A case of intensive dental care under general anesthesia in a patient with cerebral palsy at risk of respiratory depression through medical coordination, Yamaguchi Hisano, Yoshida Yuriko, Fujiwara Rieko, Nishino Ryo, Morimoto Masako, Nishio Yoshifumi, Miyazaki Hironori, Okada Yoshiyuki, Yamaguchi Hisano, Yoshida Yuriko, Fujiwara Rieko, Nishino Ryo, Morimoto Masako, Nishio Yoshifumi, Miyazaki Hironori, Okada Yoshiyuki, 41st Annual Meeting of the Japanese Society for Disability and Oral Health, 2024/12/14, Without Invitation, Japanese, Japanese Society for Disabillity and Oral Health, Okinawa, Japan
  24. Prevalence of Congenital Heart Disease in Patients Visiting the University Hospital Dentistry for the Disabled and Comparison with General Prevalence, Ryo Nishino, Hironori Miyazaki, Yoshifumi Nishio, Masako Morimoto, Hisaho Yamaguchi, Takuya Miyagi, Chiaki Shimizu, Hironao Asahina, Rieko Fujiwara, Yuriko Yoshida, Yoshiyuki Okada, Ryo Nishino, Hironori Miyazaki, Yoshifumi Nishio, Masako Morimoto, Hisaho Yamaguchi, Takuya Miyagi, Chiaki Shimizu, Hironao Asahina, Rieko Fujiwara, Yuriko Yoshida, Yoshiyuki Okada, 41st Annual Meeting of the Japanese Society for Disability and Oral Health, 2024/12/14, Without Invitation, Japanese, Japanese Society for Disabillity and Oral Health, Okinawa, Japan
  25. A case of successful retraining of a patient with autism spectrum disorder whose maladaptive behavior reappeared after suppression, Saori Nakamura, Yuriko Yoshida, Haruka Yasuda, Hironao Asahina, Hironori Miyazaki, Miyuki Nakaoka, Yoshiyuki Okada, Saori Nakamura, Yuriko Yoshida, Haruka Yasuda, Hironao Asahina, Hironori Miyazaki, Miyuki Nakaoka, Yoshiyuki Okada, 41st Annual Meeting of the Japanese Society for Disability and Oral Health, 2024/12/14, Without Invitation, Japanese, Japanese Society for Disabillity and Oral Health, Okinawa, Japan
  26. A case of a Down's syndrome patient with decreased frequency of repeated infective endocarditis after oral hygiene intervention, Haruka Yasuda, Yuriko Yoshida, Rieko Fujiwara, Hironori Miyazaki, Yoshifumi Nishio, Miyuki Nakaoka, Yuki Oda, Yoshiyuki Okada, Haruka Yasuda, Yuriko Yoshida, Rieko Fujiwara, Hironori Miyazaki, Yoshifumi Nishio, Miyuki Nakaoka, Yuki Oda, Yoshiyuki Okada, 41st Annual Meeting of the Japanese Society for Disability and Oral Health, 2024/12/14, Without Invitation, Japanese, Japanese Society for Disabillity and Oral Health, Okinawa, Japan

External Funds

Acceptance Results of Competitive Funds

  1. 2025/04/01, 2028/03/31
  2. 2019/04, 2021/03