RYOTA NOMURA

Last Updated :2024/07/05

Affiliations, Positions
Graduate School of Biomedical and Health Sciences(Dentistry & Oral Health Sciences), Professor
Web Site
https://pedo.hiroshima-u.ac.jp
E-mail
rnomurahiroshima-u.ac.jp
Self-introduction
Specialty: Pediatric dentistry, Oral microbiology

Basic Information

Major Professional Backgrounds

  • 2022/02/01, Hiroshima University, Graduate School of Biomedical and Health Sciences, Professor

Educational Backgrounds

  • Osaka University, Japan, 2002/04, 2006/03
  • Osaka University, School of Dentistry, Japan, 1996/04, 2002/03

Academic Degrees

  • Osaka 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;Orthodontics / Pediatric dentistry

Research Keywords

  • Oral Microbiology

Affiliated Academic Societies

Educational Activity

Course in Charge

  1. 2024, Liberal Arts Education Program1, 2Term, General Health and Oral Sciences I
  2. 2024, Undergraduate Education, 2Term, Pediatrics
  3. 2024, Undergraduate Education, 2Term, Topics in Dental Research II
  4. 2024, Undergraduate Education, 4Term, Special Subject
  5. 2024, Undergraduate Education, 1Term, Pediatric Dentistry I
  6. 2024, Undergraduate Education, 2Term, Pediatric Dentistry II
  7. 2024, Undergraduate Education, First Semester, Dental Research Practices I
  8. 2024, Undergraduate Education, 3Term, Basic Practice of Pediatric Dentistry I
  9. 2024, Undergraduate Education, 4Term, Basic Practice of Pediatric Dentistry II
  10. 2024, Undergraduate Education, Second Semester, Dental Research Practices II
  11. 2024, Undergraduate Education, 2Term, Advanced Course in Growth and Development of Occlusion
  12. 2024, Undergraduate Education, First Semester, Dental Research Practices III
  13. 2024, Undergraduate Education, Academic Year, Clinical Practice (Pedodontics)
  14. 2024, Undergraduate Education, 2Term, Pediatric Dentistry
  15. 2024, Undergraduate Education, 2Term, Pediatrics
  16. 2024, Undergraduate Education, First Semester, Overview of Oral Engineering
  17. 2024, Undergraduate Education, 2Term, Pediatric Dentistry
  18. 2024, Undergraduate Education, 3Term, Practice of Pediatric Dentistry
  19. 2024, Graduate Education (Doctoral Program) , First Semester, Advanced Seminar on Pediatric Dentistry
  20. 2024, Graduate Education (Doctoral Program) , Second Semester, Advanced Seminar on Pediatric Dentistry
  21. 2024, Graduate Education (Doctoral Program) , First Semester, Advanced Research on Pediatric Dentistry
  22. 2024, Graduate Education (Doctoral Program) , Second Semester, Advanced Research on Pediatric Dentistry
  23. 2024, Graduate Education (Master's Program) , First Semester, Lecture on Oral Health Sciences

Research Activities

Academic Papers

  1. Development of Rat Caries-Induced Pulpitis Model for Vital Pulp Therapy, JOURNAL OF DENTAL RESEARCH, 102(5), 574-582, 202305
    Link to Paper Search Results by DOI
  2. Five-Year Follow-Up of a Child with Non-Syndromic Oligodontia from before the Primary Dentition Stage: A Case Report, CHILDREN-BASEL, 10(4), 202304
    Link to Paper Search Results by DOI
  3. cnm-positive Streptococcus mutans is associated with galactose-deficient IgA in patients with IgA nephropathy, PLOS ONE, 18(3), 20230302
    Link to Paper Search Results by DOI
  4. A Third Supernumerary Tooth Occurring in the Same Region: A Case Report, DENTISTRY JOURNAL, 11(2), 202302
    Link to Paper Search Results by DOI
  5. Possible association of fimA genotype of Porphyromonas gulae with the severity of periodontal disease and the number of permanent teeth in dogs, FRONTIERS IN VETERINARY SCIENCE, 10, 20230206
    Link to Paper Search Results by DOI
  6. Detection of Helicobacter pylori from Extracted Teeth of a Patient with Idiopathic Thrombocytopenic Purpura, MICROORGANISMS, 10(11), 202211
    Link to Paper Search Results by DOI
  7. Analysis of the feasibility of using deep learning for multiclass classification of dental anomalies on panoramic radiographs, DENTAL MATERIALS JOURNAL, 41(6), 889-895, 202212
    Link to Paper Search Results by DOI
  8. Dental radiographic information of term newborn babies within the first month: Analyzing five radiographic cases along with physical attributes in Japan, LEGAL MEDICINE, 60, 202302
    Link to Paper Search Results by DOI
  9. Clinical characteristics of children and guardians possessing CBP-positive Streptococcus mutans strains: a cross-sectional study, SCIENTIFIC REPORTS, 12(1), 20221020
    Link to Paper Search Results by DOI
  10. Green tea catechins inhibit Porphyromonas gulae LPS-induced inflammatory responses in human gingival epithelial cells, JOURNAL OF ORAL BIOSCIENCES, 64(3), 352-358, 202209
    Link to Paper Search Results by DOI
  11. Characterization of the unique oral microbiome of children with Down syndrome, SCIENTIFIC REPORTS, 12(1), 20220819
    Link to Paper Search Results by DOI

Invited Lecture, Oral Presentation, Poster Presentation

  1. Three-year survey of dental caries conditions in Cambodian public primary school, Asao Y., Iwamoto Y., Nakano M., Akitomo T., Usuda M., Kametani M., Kusaka S., Tachikake M., Mitsuhata C., Nomura R, Asao Y., Iwamoto Y., Nakano M., Akitomo T., Usuda M., Kametani M., Kusaka S., Tachikake M., Mitsuhata C., Nomura R, Korean Academy of Pediatric Dentistry 2023 Conference, 2023/05/30, Without Invitation, English
  2. Interaction of essential oils in Citrus unshiu to cause inhibition of Streptococcus mutans bacterial growth, Okuda M., Ohata J., Matayoshi S., Nomura R., Nakano K., Okuda M., Ohata J., Matayoshi S., Nomura R., Nakano K., Korean Academy of Pediatric Dentistry 2023 Conference, 2023/05/30, Without Invitation, English
  3. Contributions of Streptococcus mutans to dental caries and infective endocarditis, Suehiro Y., Matayoshi S., Otsugu M., Nomura R., Nakano K., Suehiro Y., Matayoshi S., Otsugu M., Nomura R., Nakano K., Korean Academy of Pediatric Dentistry 2023 Conference, 2023/05/30, Without Invitation, English
  4. IgA adherence to Streptococcus mutans Cnm for IgA nephropathy onset, Matsuoka D., Suehara K., Naka S., Misaki T., Nagasawa Y., Ito S., Nomura R., Nakano K, Matsuoka D., Suehara K., Naka S., Misaki T., Nagasawa Y., Ito S., Nomura R., Nakano K, 101st General Session & Exhibition of the IADR (Bogotá, Colombia), 2023/07/30, Without Invitation, English
  5. Effects of mouthwash on oral and systemic health of diabetic, Tojo F., Matayoshi S., Nomura R., Nakano K, Tojo F., Matayoshi S., Nomura R., Nakano K, 101st General Session & Exhibition of the IADR (Bogotá, Colombia), 2023/07/30, Without Invitation, English
  6. Periodontal disease in dogs correlates with FimA of Porphyromonas gulae, Suehiro Y., Matayoshi S., Yasuda J., Yasuda H., Gongora E., Matsumoto-Nakano M., Nomura R., Nakano K, Suehiro Y., Matayoshi S., Yasuda J., Yasuda H., Gongora E., Matsumoto-Nakano M., Nomura R., Nakano K, 101st General Session & Exhibition of the IADR (Bogotá, Colombia), 2023/07/30, Without Invitation, English
  7. Association of Helicobacter pylori in oral cavity and Parkinson's disease, Kadota T., Matsuoka Y., Hamada M., Ogaya Y., Nomura R., Nakano N., Kadota T., Matsuoka Y., Hamada M., Ogaya Y., Nomura R., Nakano N., 101st General Session & Exhibition of the IADR (Bogotá, Colombia), 2023/07/30, Without Invitation, English
  8. Possible unique oral microbiome characteristics in children harboring Helicobacter pylori in the oral cavity, Ogaya Y., Kadota Y., Nomura R., Nakano K, Ogaya Y., Kadota Y., Nomura R., Nakano K, 101st General Session & Exhibition of the IADR (Bogotá, Colombia), 2023/07/30, Without Invitation, English
  9. Serum agglutinating ability of Streptococcus mutans killed by antibiotic, Suehiro Y., Matayoshi S., Otsugu M., Nomura R., Nakano K., Suehiro Y., Matayoshi S., Otsugu M., Nomura R., Nakano K., 101st General Session & Exhibition of the IADR (Bogotá, Colombia), 2023/07/30, Without Invitation, English
  10. Effects of continuous dental support on periodontal status and oral health activities of hemophilic patients, Kametani M., Akitomo T., Niizato N., Usuda M., Kusaka S., Asao Y., Nakano M., Iwamoto Y., Tachikake M., Mitsuhata C., Nomura R, Kametani M., Akitomo T., Niizato N., Usuda M., Kusaka S., Asao Y., Nakano M., Iwamoto Y., Tachikake M., Mitsuhata C., Nomura R, 29th IAPD Congress (Maastricht, Netherland), 2023/07/20, Without Invitation, English
  11. Inhibitory effects of S-PRG filler eluate on acid tolerance of Streptococcus mutans, Usuda M., Kametani M., Akitomo T., Nakano M., Suehiro Y., Matayoshi S., Mitsuhata C., Nakano K., Nomura R., Usuda M., Kametani M., Akitomo T., Nakano M., Suehiro Y., Matayoshi S., Mitsuhata C., Nakano K., Nomura R., 29th IAPD Congress (Maastricht, Netherland), 2023/07/20, Without Invitation, English
  12. Effect of professional mechanical tooth cleaning paste with high-performance silica on stain deposition, Akitomo T., Kusaka S., Usuda M., Kametani M., Hirose M., Takane S., Mitsuhata C., Nakano K., Nomura R, Akitomo T., Kusaka S., Usuda M., Kametani M., Hirose M., Takane S., Mitsuhata C., Nakano K., Nomura R, 29th IAPD Congress (Maastricht, Netherland), 2023/07/20, Without Invitation, English
  13. Pathogenicity of collagen-binding protein in Streptococcus mutans, Matsuoka D., Naka S., Goto K., Nomura R., Nakano K., Matsumoto-Nakano M, Matsuoka D., Naka S., Goto K., Nomura R., Nakano K., Matsumoto-Nakano M, 29th IAPD Congress (Maastricht, Netherland), 2023/07/20, Without Invitation, English
  14. Cariology and systemic disorder collagen-binding properties of killed Streptococcus mutans strains, Suehiro Y., Matayoshi S., Otsugu M., Nomura R., Nakano K., Suehiro Y., Matayoshi S., Otsugu M., Nomura R., Nakano K., 29th IAPD Congress (Maastricht, Netherland), 2023/07/01, Without Invitation, English
  15. Association of Helicobacter pylori in the oral cavity and dental caries with lifestyle-related disease, Kadota T., Hamada M., Nomura R., Nakano K, Kadota T., Hamada M., Nomura R., Nakano K, The 70th ORCA congress (Egmond aan zee, Netherland), 2023/07/01, Without Invitation, English
  16. Absorption effect of high-performance silica on food-derived dyes, Akitomo T., Kusaka S., Usuda M., Kametani M., Ogawa M., Kaneki A., Mitsuhata C. Nomura R, Akitomo T., Kusaka S., Usuda M., Kametani M., Ogawa M., Kaneki A., Mitsuhata C. Nomura R, 32nd Annual Conference of the Taiwan Academy of Pediatric Dentistry (Kaohsiung, Taiwan), 2023/06/30, Without Invitation, English
  17. The changes on dental caries status of first molars among primary school children in Cambodia, Asao Y., Iwamoto Y., Nishimura T., Nakano M., Tachikake M., Mitsuhata C., Nomura R, Asao Y., Iwamoto Y., Nishimura T., Nakano M., Tachikake M., Mitsuhata C., Nomura R, 32nd Annual Conference of the Taiwan Academy of Pediatric Dentistry (Kaohsiung, Taiwan), 2023/06/30, Without Invitation, English
  18. Evaluation of killed Streptococcus mutans strains by fluorescence microscopy, Mikasa Y., Suehiro Y., Matayoshi S., Otsugu M., Nomura R., Nakano K., Mikasa Y., Suehiro Y., Matayoshi S., Otsugu M., Nomura R., Nakano K., 32nd Annual Conference of the Taiwan Academy of Pediatric Dentistry (Kaohsiung, Taiwan), 2023/06/30, Without Invitation, English
  19. Possible mediation of tonsils to IgA nephropathy caused by cnm-positive Streptococcus mutans, a major pathogen of dental caries, Misaki T., Naka S., Nagasawa Y., Matsuoka D., Matayoshi S., Ito S., Nomura R., Matsumoto-Nakano M., Nakano K, Misaki T., Naka S., Nagasawa Y., Matsuoka D., Matayoshi S., Ito S., Nomura R., Matsumoto-Nakano M., Nakano K, 17th International symposium on IgA nephropathy (IIgAN) (Tokyo), 2023/12/10, Without Invitation, English
  20. Relation between Porphyromonas gingivalis infection in oral cavity and elevated galactose-deficient IgA1 in IgA nephropathy, Ito S., Misaki T., Nagasawa Y., Nomura R., Naka S., Fukunaga A., Matsuoka D., Matayoshi S., Matsumoto-Nakano., Kazuhiko Nakano K, Ito S., Misaki T., Nagasawa Y., Nomura R., Naka S., Fukunaga A., Matsuoka D., Matayoshi S., Matsumoto-Nakano., Kazuhiko Nakano K, 17th International symposium on IgA nephropathy (IIgAN) (Tokyo), 2023/12/10, Without Invitation, English
  21. Prevalence of periodontitis-related bacteria in tonsils of IgA nephropathy patients compared with those in habitual tonsilitis patients, Nagasawa Y., Nomura R., Misaki T., Ito S., Naka S., Matsuoka D., Matayoshi S., Matsumoto-Nakano M., Nakano K, Nagasawa Y., Nomura R., Misaki T., Ito S., Naka S., Matsuoka D., Matayoshi S., Matsumoto-Nakano M., Nakano K, 17th International symposium on IgA nephropathy (IIgAN) (Tokyo), 2023/12/10, Without Invitation, English
  22. cnm-positive Streptococcus mutans, a major pathogen of dental caries may cause IgA nephropathy via tonsils, Misaki T., Naka S., Nagasawa Y., Matsuoka D., Matayoshi S., Ito S., Nomura R., Matsumoto-Nakano M., Nakano K., Misaki T., Naka S., Nagasawa Y., Matsuoka D., Matayoshi S., Ito S., Nomura R., Matsumoto-Nakano M., Nakano K., The Kidney Week 2023 (Philadelphia, USA),, 2023/11/15, Without Invitation, English
  23. Collagen-binding protein pathogenicity in rat model of IgA nephropathy, Suehara K., Matsuoka D., Naka S., Misaki T., Nagasawa Y., Ito S., Nomura R., Nakano K., Matsumoto-Nakano M, Suehara K., Matsuoka D., Naka S., Misaki T., Nagasawa Y., Ito S., Nomura R., Nakano K., Matsumoto-Nakano M, Japanese Association for Dental Research (JADR) (Sendai), 2023/11/30, Without Invitation, English
  24. The oral conditions of Cambodian public primary school children before and after the COVID-19 pandemic:, Asao Y., Iwamoto Y., Nishimura T., Kaneki A., Usuda M., Kametani M., Akitomo T., Nakano M., Kondo M., Ogura T., Mitsuhata M., Nomura R., Naito M, Asao Y., Iwamoto Y., Nishimura T., Kaneki A., Usuda M., Kametani M., Akitomo T., Nakano M., Kondo M., Ogura T., Mitsuhata M., Nomura R., Naito M, 15th International Conference of the Asian Academy of Preventive Dentistry (Hong Kong), 2023/11/20, Without Invitation, English

External Funds

Acceptance Results of Competitive Funds

  1. KAKENHI(Grant-in-Aid for Scientific Research (B)), 2021, 2023
  2. KAKENHI(Grant-in-Aid for Scientific Research (C)), 2021, 2023
  3. KAKENHI(Grant-in-Aid for Scientific Research (B)), 2021, 2023
  4. KAKENHI(Grant-in-Aid for Scientific Research (C)), 2022, 2024
  5. KAKENHI(Grant-in-Aid for Scientific Research (C)), 2022, 2024
  6. KAKENHI(Grant-in-Aid for Scientific Research (C)), 2021, 2023
  7. KAKENHI(Grant-in-Aid for Scientific Research (C)), 2022, 2024
  8. KAKENHI(Grant-in-Aid for Scientific Research (C)), 2023, 2025