KOJI MORITA

Last Updated :2025/07/05

Affiliations, Positions
Hiroshima University Hospital, Assistant Professor
E-mail
moritakhiroshima-u.ac.jp
Other Contact Details
1-2-3，Kasumi，Minami-ku，Hiroshima, Japan
TEL : (+81)82-257-5677 FAX : (+81)82-257-5679
Self-introduction
My research field is dental material and epidemiological study.

Basic Information

Major Professional Backgrounds

  • 2008/04/01, 2011/03/31, Hiroshima University Hospital, Clinical Fellow
  • 2011/04/01, Hiroshima University Hospital, Assistant Professor

Educational Backgrounds

  • Hiroshima University, Japan, 2004/04, 2008/03
  • Hiroshima University, Japan, 1998/04, 2004/03

Academic Degrees

  • Doctor of Philosophy in Dental Science, Hiroshima University

Educational Activity

  • [Bachelor Degree Program] School of Dentistry : Program of Dentistry : Dentistry

Research Fields

  • Medicine,dentistry, and pharmacy;Dentistry;Prosthodontics / Dental materials science and

Research Keywords

  • epidemiological study
  • Dental Material
  • inorganic polyphosphate

Affiliated Academic Societies

  • Japan Prosthodontic Society
  • The Japanese Society for Dental Materials and Devices
  • The Hiroshima University Dental Society

Educational Activity

Course in Charge

  1. 2025, Undergraduate Education, 3Term, Stomatognathic Function
  2. 2025, Undergraduate Education, 3Term, Prosthetic Dentistry I
  3. 2025, Undergraduate Education, 4Term, Prosthetic Dentistry II
  4. 2025, Undergraduate Education, 3Term, Removable Prosthodontics I
  5. 2025, Undergraduate Education, 4Term, Removable Prosthodontics II
  6. 2025, Undergraduate Education, 1Term, Basic Practice of Functional and Regenerative Oral Medicine I
  7. 2025, Undergraduate Education, 2Term, Basic Practice of Functional and Regenerative Oral Medicine II
  8. 2025, Undergraduate Education, 1Term, Practice of Prosthodontic Treatment for Edentulous Patients I
  9. 2025, Undergraduate Education, 2Term, Practice of Prosthodontic Treatment for Edentulous Patients II
  10. 2025, Undergraduate Education, First Semester, Dental Research Practices I
  11. 2025, Undergraduate Education, 3Term, Practice of Prosthodontic Treatment for Partial Edentulous Patients I
  12. 2025, Undergraduate Education, 4Term, Practice of Prosthodontic Treatment for Partial Edentulous Patients II
  13. 2025, Undergraduate Education, 3Term, Basic Practice of Dental Prosthesis I
  14. 2025, Undergraduate Education, 4Term, Basic Practice of Dental Prosthesis II
  15. 2025, Undergraduate Education, Second Semester, Dental Research Practices II
  16. 2025, Undergraduate Education, 2Term, General Seminar on Clinical Dentistry
  17. 2025, Undergraduate Education, First Semester, Dental Research Practices III
  18. 2025, Undergraduate Education, Year, Clinical Practice (Denture Prosthodontics I)
  19. 2025, Undergraduate Education, Year, Clinical Practice (Denture Prosthodontics II)
  20. 2025, Graduate Education (Doctoral Program) , First Semester, Advanced Seminar on Advanced Prosthodontics
  21. 2025, Graduate Education (Doctoral Program) , Second Semester, Advanced Seminar on Advanced Prosthodontics
  22. 2025, Graduate Education (Doctoral Program) , First Semester, Advanced Research on Advanced Prosthodontics
  23. 2025, Graduate Education (Doctoral Program) , Second Semester, Advanced Research on Advanced Prosthodontics

Research Activities

Academic Papers

  1. Nd:YVO4 laser groove treatment can improve the shear bond strength between dental PEEK and adhesive resin cement with an adhesive system, DENTAL MATERIALS JOURNAL, 41(3), 382-391, 202206
    Link to Paper Search Results by DOI
  2. Clinical report of six-month follow-up after cementing PEEK crown on molars, SCIENTIFIC REPORTS, 12(1), 20221109
    Link to Paper Search Results by DOI
  3. Histological and histomorphometric aspects of continual intermittent parathyroid hormone administration on osseointegration in osteoporosis rabbit model, PLOS ONE, 17(6), 2022
    Link to Paper Search Results by DOI
  4. Enhanced initial bone regeneration with inorganic polyphosphate-adsorbed hydroxyapatite., Acta Biomaterialia, 6, 2808-2815, 20100101
  5. Development of Implant/Interconnected Porous Hydroxyapatite Complex as New Concept Graft Material, PLOS ONE, 7(11), 20121109
    Link to Paper Search Results by DOI
  6. Inorganic polyphosphates stimulate FGF23 expression through the FGFR pathway, BIOCHEMICAL AND BIOPHYSICAL RESEARCH COMMUNICATIONS, 428(2), 298-302, 20121116
    Link to Paper Search Results by DOI
  7. Inorganic Polyphosphate Suppresses Lipopolysaccharide-Induced Inducible Nitric Oxide Synthase (iNOS) Expression in Macrophages, PLOS ONE, 8(9), 20130909
    Link to Paper Search Results by DOI
  8. Influence of formalin fixation on the implant stability quotient and mechanical characteristics of bone, BRITISH JOURNAL OF ORAL & MAXILLOFACIAL SURGERY, 51(6), 550-554, 201309
    Link to Paper Search Results by DOI
  9. The influence of fixation in formalin on the measurement of stability of implants using resonance frequency analysis and Periotest M (R): A study in a dog, BRITISH JOURNAL OF ORAL & MAXILLOFACIAL SURGERY, 52(1), 29-33, 201401
    Link to Paper Search Results by DOI
  10. A Case Report of Functional Oral Rehabilitation using Task Candysucking for a Advanced Dementia Patient, The journal of Hiroshima University Dental Society, 47(1), 45-48, 2015
  11. Osseointegration aspects of placed plant in bone reconstruction ith newly developed block-type interconnected porous calcium hydroxyapatite, JOURNAL OF APPLIED ORAL SCIENCE, 24(4), 325-331, 2016
    Link to Paper Search Results by DOI
  12. Bone formation ability of carbonate apatite-collagen scaffolds with different carbonate contents., Dental Materials Journal, 28(2), 234-242, 20090814
    Link to Paper Search Results by DOI
  13. Prevalence of Torus Mandibularis in Young Healthy Dentate Adults, JOURNAL OF ORAL AND MAXILLOFACIAL SURGERY, 75(12), 2593-2598, 201712
    Link to Paper Search Results by DOI
  14. Evaluation of shear bond strength between PEEK and resin-based luting material, JOURNAL OF ORAL BIOSCIENCES, 59(4), 231-236, 201711
    Link to Paper Search Results by DOI
  15. Comparative evaluation of bone regeneration using spherical and irregularly shaped granules of interconnected porous hydroxylapatite. A beagle dog study, JOURNAL OF PROSTHODONTIC RESEARCH, 55(2), 104-109, 201104
    Link to Paper Search Results by DOI
  16. Effect of polymerization temperature on the properties of autopolymerizing resin, JOURNAL OF PROSTHETIC DENTISTRY, 119(5), 840-844, 201805
  17. Enhancement of calcification by osteoblasts cultured on hydroxyapatite surfaces with adsorbed inorganic polyphosphate, IN VITRO CELLULAR & DEVELOPMENTAL BIOLOGY-ANIMAL, 54(6), 449-457, 201806
    Link to Paper Search Results by DOI
  18. Association between buccal mucosa ridging and oral or occlusal status among older people, ORAL DISEASES, 24(5), 778-783, 201807
    Link to Paper Search Results by DOI
  19. Tips for Practical Application of Tongue Pressure Test, Annals of Japan Prosthodontic Society, 9(3), 181-185, 20170723
  20. ★, Factors related to masticatory performance in healthy elderly individuals, JOURNAL OF PROSTHODONTIC RESEARCH, 62(4), 432-435, 201810
    Link to Paper Search Results by DOI
  21. Effect of laser groove treatment on shear bond strength of resin-based luting agent to polyetheretherketone (PEEK), JOURNAL OF PROSTHODONTIC RESEARCH, 63(1), 52-57, 201901
    Link to Paper Search Results by DOI
  22. Oral Implant Treatment for a Patient Undergoing Molecularly Targeted Drug Therapy for Chronic Myelocytic Leukemia: A Case Report, INTERNATIONAL JOURNAL OF PROSTHODONTICS, 33(1), 111-115, 2020
    Link to Paper Search Results by DOI
  23. Oral function and vertical jump height among healthy older people in Japan, COMMUNITY DENTAL HEALTH, 36(4), 276-280, 201912
    Link to Paper Search Results by DOI
  24. Association between buccal mucosa ridging and oral feature/symptom and its effects on occlusal function among dentate young adults in a cross-sectional study of Japan, The Journal of Craniomandibular & Sleep Practice, 19, 1-5, 201902
    Link to Paper Search Results by DOI
  25. Association between salivary alpha-amylase and subjective and objective oral parafunctions in community-dwelling elderly individuals, Journal of Dental Sciences, 15(3), 310-314, 202009
  26. Association between masticatory ability and oral functions, J Clin Exp Dent, 12(11), e1011-e1014, 20201101
  27. Effect of combined application of bFGF and inorganic polyphosphate on bioactivities of osteoblasts and initial bone regeneration, Acta Biomaterialia, 5(5), 1716-1724, 200906
  28. Association between buccal mucosa ridging and oral feature/symptom and its effects on occlusal function among dentate young adults in a cross-sectional study of Japan, CRANIO-THE JOURNAL OF CRANIOMANDIBULAR & SLEEP PRACTICE, 39(1), 24-28, 20210102
    Link to Paper Search Results by DOI

Invited Lecture, Oral Presentation, Poster Presentation

  1. A comparative study of radiopaque property of Polyetheretherketone crown, Nisio F, Morita K, Abekura H, Yamaoka H, Kakimoro N, Tsuga K, Web, 6th Joint Scientific Meeting in Dentistry, 2021/07/30, Without Invitation, English, Hiroshima University
  2. Clinical report of six-month follow-up after cementing PEEK crown on molars, Kimura Hitomi, Morita Koji, Kagawa Kazuko, Yokoi Miyuki, Nisio Fumiko, Abekura Hitoshi, Tsuga Kazuhiro, 7th Biennial Joint Congress of JPS-CPS-KAP, 2021/02/19, Without Invitation, English, Japan Prosthodontic Society, Okinawa
  3. Fundamental study on application of composites resin-veneered PEEK to superstructure of dental aimplants, Morita Koji, Kimura Hitomi, Abekura Hiroshi, Tsuga Kazuhiro, The 11th Congress of the Asian Academy of Osseointegration, 2018/10/10, Without Invitation, English, Asian academy of Osseointegration, Seoul
  4. A case of recovering masticatory function treated with oral implants in leukemia patient, Koji Morita, 2018/09/01, Without Invitation, Japanese
  5. Decreased number of present teeth changes the physical, oral or occlusal status among healthy elderly individuals, Koji Morita, Fumiko Nishio, Hiroki Tsuka, Hitomi Kimura, Kiichi Nakamori, Mitsuyoshi Yoshida, Kazuhiro Tsuga　　　　　　　　　　, The 51th Hiroshima University Dental Society, 2018/06/09, Without Invitation, English
  6. Association between buccal mucosa ridging and oral state/ oral function, Koji Morita, Tsuka H, Kato K, Mori T, Dowaki I, Oda M, Yoshida M, Tsuga K, Annual Scientific Meeting of Japan Prosthodontic Society　KYUSHU, TYUGOKU/SHIKOKU CHAPTER   , 2016/09/03, Without Invitation, Japanese, Japan Prosthodontics Society, Kumamoto
  7. Osteoblast cell response to inorganic polyphosphate-adsorbed hydroxyapatite, Kato K, Morita K, Doi k, Kubo T, Abe Y, Tsuga K, The 125th Annual Meeting of the Japan Prosthodontics Society, 2016/07/08, Without Invitation, Japanese, Japan Prosthodontics Society, Kanazawa
  8. The Relationship between Oral Torus and Oral Function in a Group of Healthy Male Dentate Subjects, KATO K, MORITA K, OKAZAKI Y, KAWANO A, KAZUYA D, TSUGA K, The 94th General Session and Exihibition of the International Association for Dental Research, 2016/06/22, Without Invitation, English, International Association for Dental Research, Seoul
  9. Evaluation of Implant Stability in Implant/Interconnected Porous Hydroxyapatite Complex Under Functional Loading Location, Doi K, Makihara Y, Oue H, Morita K, Kubo T, Tsuga K, The 94th General Session and Exihibition of the International Association for Dental Research, 2016/06/22, Without Invitation, English, International Association for Dental Research, Seoul
  10. Approaches for insurance introduction of oral inspection at the oral inspection center of Hiroshima University Hospital, 2014/09/05, Without Invitation, Japanese
  11. Evaluation of implant stability in novel implant/interconnected pours calcium hydroxyapatite complex, Makihara Y, The 9th Scientific Meeting of the Asian Academy of Osseointegration, 2014/07/04, Without Invitation, English, Sapporo
  12. Inorganic polyphosphosphate promotes the differentiation of osteoblast-like cells on hydroxyapatite plate, The 44th Conference of Japanese Society of Oral Implantology, Without Invitation, Japanese
  13. Evaluation of surface treatment and osteoblast differentiation promoting for hydroxyapatite plate adsorbed inorganic polyphosphate, Without Invitation, Japanese
  14. Evaluation of implant stability in implant/interconnected pours hydroxyapatite complex, Doi K, Kubo T, Oue H, Makihara Y, Morita K, Kato K, Akagawa Y, Without Invitation, English, Rome
  15. Osteoblast-like cell response to inorganic polyphosphate-adsorbed hydroxyapatite, Kan Kato, Koji Morita, Keisuke Yasuda, Katsuyuki Koratake, Yasuyuki Abe, Hiroki Nikawa, Kazuhiro Tsuga, Kan Kato, Koji Morita, Keisuke Yasuda, Katsuyuki Koratake, Yasuyuki Abe, Hiroki Nikawa, Kazuhiro Tsuga, Without Invitation, English
  16. The influence of polymerization temperature on the mechanical properties and the amount of residual monomer in self-cured resins, Koji Morita, Hiroki Tsuka, Isao Hirata, Koichi Kato, Kazuhiro Tsuga, Koji Morita, Hiroki Tsuka, Isao Hirata, Koichi Kato, Kazuhiro Tsuga, Conference of Dental Material, Without Invitation, Japanese, The Japanese Society for Dental Materials and Devices, Tokyo
  17. Association between torus mandibularis and oral functions, Koji Morita, Kazuhiro Tsuga, Without Invitation, Japanese, Japanese Academy of Occlusion & Health, Tokyo
  18. The Relationship between the Development of Torus Mandibularis and Oral Function in a Group of Healthy Dentate Subjects., Koji Morita, Hiroki Tsuka, Kan Kato, Koh-ichi Kuremoto, Mitsuyoshi Yoshida, Kazuhiro Tsuga, 95th General Session & Exhibition of the IADR, Without Invitation, English, International Association for Dental Research, San Francisco

Awards

  1. 2011, The 14th Hiroshima University school of Dentistry the alumni association Encouragement Award, The 14th Hiroshima University school of Dentistry the alumni association, ポリリン酸結合型多孔性ハイドロキシアパタイト人工骨の早期骨形成促進能

External Funds

Acceptance Results of Competitive Funds

  1. KAKENHI, Effect of combined application of bFGF and inorganic polyphosphate-adsorbed hydroxyapatite for initial bone regeneration, 2009, 2010
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  2. KAKENHI, 2013, 2015
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  3. KAKENHI, 2013, 2014
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  4. KAKENHI, 2012, 2014
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  5. KAKENHI, 2012, 2014
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  6. KAKENHI, Bone regeneration of artificial bone adsorbed inorganic polyphosphate with long chain length, 2011, 2012
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  7. KAKENHI, 2016, 2018
  8. KAKENHI(Grant-in-Aid for Scientific Research (C)), 2020, 2023