Masahiko Ohtsuka

Last Updated :2025/04/03

Affiliations, Positions
Graduate School of Biomedical and Health Sciences(Dentistry & Oral Health Sciences), Assistant Professor
E-mail
otsukahiroshima-u.ac.jp
Self-introduction
Medical radiation measurement

Basic Information

Academic Degrees

  • Philosophy of Doctor, Hiroshima University

Educational Activity

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

Research Fields

  • Medicine,dentistry, and pharmacy;Dentistry;Pathobiological dentistry / Dental radiology

Educational Activity

Course in Charge

  1. 2025, Undergraduate Education, 4Term, Medical Informatics
  2. 2025, Undergraduate Education, 2Term, Oral Radiology I
  3. 2025, Undergraduate Education, 3Term, Oral Radiology II
  4. 2025, Undergraduate Education, 4Term, Basic Seminar of Oral Radiology
  5. 2025, Undergraduate Education, First Semester, Dental Research Practices I
  6. 2025, Undergraduate Education, Second Semester, Dental Research Practices II
  7. 2025, Undergraduate Education, First Semester, Dental Research Practices III
  8. 2025, Undergraduate Education, Academic Year, Clinical Practice (Dental Radiology)
  9. 2025, Undergraduate Education, 3Term, Oral Radiology
  10. 2025, Undergraduate Education, 4Term, Medical Informatics
  11. 2025, Undergraduate Education, Second Semester, Clinical Practice on Oral Health
  12. 2025, Undergraduate Education, Intensive, Clinical Practice on Oral Health
  13. 2025, Undergraduate Education, Intensive, Clinical Practice on Oral Health Management
  14. 2025, Undergraduate Education, 4Term, Medical Informatics
  15. 2025, Graduate Education (Doctoral Program) , First Semester, Advanced Seminar on Oral and Maxillofacial Radiology
  16. 2025, Graduate Education (Doctoral Program) , Second Semester, Advanced Seminar on Oral and Maxillofacial Radiology
  17. 2025, Graduate Education (Doctoral Program) , First Semester, Advanced Research on Oral and Maxillofacial Radiology
  18. 2025, Graduate Education (Doctoral Program) , Second Semester, Advanced Research on Oral and Maxillofacial Radiology

Research Activities

Academic Papers

  1. Relationship between the bone mineral density and tooth loss in elderly Japanese women, Dentomaxillofacial Radiology, 28, 219-233, 19990401
  2. Usefulness of panoramic radiography in the diagnosisof postmenopausal osteoporosis in women. Width and morphology of inferior cortex of the mandible, Dentomaxillofacial Radiology, 25(5), 263-267, 19960401
  3. Relationship Between Estrogen-Receptor Genotype and Tooth Loss in Postmenopausal Women, JAMA, 286(18), 2234-2235, 20010401
  4. Effect of estrogen use on tooth retention, oral bone height, and oral bone porosity in Japanese postmenopausal women, Menopause-Journal of the North America Menopause Society, 11(5), 556-62, 20041001
  5. Tooth loss is associated with an increased risk of hypertension in postmenopausal women, Hypertension, 43(6), 1297-300, 20040601
  6. Validation of dental panoramic radiographic measures in identifying postmenopausal women with spinal osteoporosis, American Journal of Roentgenology, 183(6), 1755-60, 20041201
  7. Association of estrogen and vitamin D receptor gene polymorphisms with tooth loss and oral bone loss in Japanese postmenopausal women, Menopause, 10(3), 250-257, 20030401
  8. Relationship between dental panoramic radiographic findings and biochemical markers of bone turnover, J. Bone Miner. Res., 18(9), 1689-1694, 20030401
  9. Detection of vascular disease risk in women by panoramic radiography, J. Dent. Res., 82(10), 838-843, 20030401
  10. Tooth loss is associated with an increased risk of hypertension in postmenopausal women, Hypertension, 43, 1297-1300, 20040401
  11. Effect of estrogen use on tooth retention, oral bone height, and oral bone porosity in Japanese postmenopausal women, Menopause, 11(5), 556-562, 20040401
  12. Validation of dental panoramic radiographic measures in identifying postmenopausal women with spinal osteoporosis, Am J Roentogenol, 183, 1755-1760, 20040401
  13. Is there any difference between the British and Japanese definitions of the mandibular cortical index (MCI) on panoramic radiographs? A pilot study, Oral Radiol, 20, 44-48, 20040401
  14. Diagnostic efficacy of alveolar bone loss of the mandible for identifying postmenopausal women with femoral osteoporosis, Dentomaxillofacial Radiology, 36(1), 28-33, 20070101
  15. Identification of postmenopausal women at risk of osteoporosis by trained general dental practitioners using panoramic radiographs, Dentomaxillofacial Radiology, 36(3), 149-54, 20070301
  16. Risk for vertebral osteoporosis in postmenopausal women with alterations of the mandible, Dentomaxillofacial Radiology, 36(3), 143-8, 20070301
  17. Interaction of obesity and skeletal bone mineral density on tooth retention in Japanese postmenopausal women, Menopause-Journal of the North America Menopause Society, 14, 500-4, 20070501
  18. Relationship between self-reported periodontal status and skeletal bone mineral density in Japanese postmenopausal women, Menopause, 12, 144-148, 20050401
  19. Diagnostic performance of general dental practitioners after lecture in identifying post-menopausal women with low bone mineral density by panoramic radiographs, Dentomaxillofac Radiol, 35, 249-252, 20060401
  20. Relationship between self-reported periodontal status and skeletal bone mineral density in Japanese postmenopausal women, Menopause, 12, 144-8, 20050301
  21. Visual assessment of the mandibular cortex on panoramic radiographs to identify postmenopausal women with low bone mineral densites, Oral Surg Oral Med Oral Pathol Oral Radiol Endod, 100(2), 226-31, 20050801
  22. Interaction of obesity and skeletal bone mineral density on tooth retention in Japanese postmenopausal women, Menopause-Journal of the North America Menopause Society, 14, 500-4, 20070501
  23. Risk for vertebral osteoporosis in postmenopausal women with alterations of the mandible, Dentomaxillofacial Radiology, 36(3), 143-8, 20070301
  24. Identification of postmenopausal women at risk of osteoporosis by trained general dental practitioners using panoramic radiographs, Dentomaxillofacial Radiology, 36(3), 149-54, 20070301
  25. Diagnostic efficacy of alveolar bone loss of the mandible for identifying postmenopausal women with femoral osteoporosis, Dentomaxillofacial Radiology, 36(1), 28-33, 20070101
  26. Diagnostic performance of general dental practitioners after lecture in identifying post-menopausal women with low bone mineral density by panoramic radiographs, Dentomaxillofac Radiol, 35, 249-252, 20060401
  27. Visual assessment of the mandibular cortex on panoramic radiographs to identify postmenopausal women with low bone mineral densites, Oral Surg Oral Med Oral Pathol Oral Radiol Endod, 100(2), 226-31, 20050801
  28. Is there any difference between the British and Japanese definitions of the mandibular cortical index (MCI) on panoramic radiographs? A pilot study, Oral Radiol, 20, 44-48, 20040401
  29. Detection of vascular disease risk in women by panoramic radiography, J. Dent. Res., 82(10), 838-843, 20030401
  30. Relationship between dental panoramic radiographic findings and biochemical markers of bone turnover, J. Bone Miner. Res., 18(9), 1689-1694, 20030401
  31. Association of estrogen and vitamin D receptor gene polymorphisms with tooth loss and oral bone loss in Japanese postmenopausal women, Menopause, 10(3), 250-257, 20030401
  32. Use of fuzzy neural network in diagnosing postmenopausal women with osteoporosis based on dental panoramic radiographs, Journal of Advanced Computational Intelligence and Intelligent Informatics, 11(8), 1049-1058, 20071001
  33. Diagnostic efficacy of alveolar bone loss of the mandible for identifying postmenopausal women with femoral osteoporosis, Dentomaxillofacial Radiology, 36(1), 28-33, 20070401
  34. Risk for vertebral osteoporosis in postmenopausal women with alterations of the mandible, Dentomaxillofacial Radiology, 36(3), 143-8, 20070401
  35. Identification of postmenopausal women at risk of osteoporosis by trained general dental practitioners using panoramic radiographs, Dentomaxillofacial Radiology, 36(3), 149-54, 20070401
  36. Obsever performance in diagnosing osteoporosis by dental panoramic radiographs: results from the osteoporosis screening projectin dentistry (OSPD), THE BONE, 43(1), 209-213, 20080701
  37. A computer-aided diagnosis system to screen for osteoporosis using dental panoramic radiographs,Dentomaxillofacial Radiology, Dentomaxilolofacial Radiology, 37, 274-281, 20080806
  38. Positional changes of oropharyngeal structures due to gravity in the upright and supine positions, Dentomaxilolofacial Radiology, 37, 130-136, 20080801
  39. A morphological comparison of the piriform sinuses in head-on and head-rotated views of seated subjects using cone-beam computed tomography, Oral Radiology, 24, 64-70, 20080801
  40. Detection of post-menopausal women with low bone mineral density and elevated biochemical markers of bone turnover by panoramic radiographs, Dentomaxilolofacial Radiology, 37, 433-437, 20080801
  41. Improved inspection of the lateral pharyngeal recess using cone-beam computed tomography in the upright position, Oral Radiology, 24, 71-75, 20080801
  42. Bone mass of the mandible and the risk of breast cancer among Japanese postmenopausal women, The Breast Journal, 18(1), 93-94, 20120101
  43. Dental panoramic radiograph as a tool to detect postmenopausal women with low bone mineral density: untrained general dental practitioners' diagnostic performance, OSTEOPOROSIS INTERNATIONAL, 14(8), 659-664, 200308
    Link to Paper Search Results by DOI
  44. Association of estrogen and vitamin D receptor gene polymorphisms with tooth loss and oral bone loss in Japanese postmenopausal Women, MENOPAUSE-THE JOURNAL OF THE NORTH AMERICAN MENOPAUSE SOCIETY, 10(3), 250-257, 2003
    Link to Paper Search Results by DOI
  45. Relationship between dental panoramic radiographic findings and biochemical markers of bone turnover, JOURNAL OF BONE AND MINERAL RESEARCH, 18(9), 1689-1694, 200309
    Link to Paper Search Results by DOI
  46. Detection of vascular disease risk in women by panoramic radiography, JOURNAL OF DENTAL RESEARCH, 82(10), 838-843, 200310
    Link to Paper Search Results by DOI
  47. Tooth loss is associated with an increased risk of hypertension in postmenopausal women, HYPERTENSION, 43(6), 1297-1300, 200406
    Link to Paper Search Results by DOI
  48. Effect of estrogen use on tooth retention, oral bone height, and oral bone porosity in Japanese postmenopausal women, MENOPAUSE-THE JOURNAL OF THE NORTH AMERICAN MENOPAUSE SOCIETY, 11(5), 556-562, 2004
    Link to Paper Search Results by DOI
  49. Validation of dental panoramic radiography measures for identifying postmenopausal women with spinal osteoporosis, AMERICAN JOURNAL OF ROENTGENOLOGY, 183(6), 1755-1760, 200412
    Link to Paper Search Results by DOI
  50. Relationship between self-reported periodontal status and skeletal bone mineral density in Japanese postmenopausal women, MENOPAUSE-THE JOURNAL OF THE NORTH AMERICAN MENOPAUSE SOCIETY, 12(2), 144-148, 2005
    Link to Paper Search Results by DOI
  51. Visual assessment of the mandibular cortex on panoramic radiographs to identify postmenopausal women with low bone mineral densities, ORAL SURGERY ORAL MEDICINE ORAL PATHOLOGY ORAL RADIOLOGY AND ENDODONTICS, 100(2), 226-231, 200508
    Link to Paper Search Results by DOI
  52. Use of dental panoramic radiographs in identifying younger postmenopausal women with osteoporosis, OSTEOPOROSIS INTERNATIONAL, 17(3), 387-394, 200603
    Link to Paper Search Results by DOI
  53. Computer-aided system for measuring the mandibular cortical width on dental panoramic radiographs in identifying postmenopausal women with low bone mineral density, OSTEOPOROSIS INTERNATIONAL, 17(5), 753-759, 200605
    Link to Paper Search Results by DOI
  54. Diagnostic performance of general dental practitioners after lecture in identifying post-menopausal women with low bone mineral density by panoramic radiographs, DENTOMAXILLOFACIAL RADIOLOGY, 35(4), 249-252, 200607
    Link to Paper Search Results by DOI
  55. Diagnostic efficacy of alveolar bone loss of the mandible for identifying postmenopausal women with femoral osteoporosis, DENTOMAXILLOFACIAL RADIOLOGY, 36(1), 28-33, 200701
    Link to Paper Search Results by DOI
  56. Interaction of obesity and skeletal bone mineral density in tooth retention in Japanese postmenopausal women, MENOPAUSE-THE JOURNAL OF THE NORTH AMERICAN MENOPAUSE SOCIETY, 14(3), 500-504, 2007
    Link to Paper Search Results by DOI
  57. Risk of vertebral osteoporosis in post-menopausal women with alterations of the mandible, DENTOMAXILLOFACIAL RADIOLOGY, 36(3), 143-148, 200703
    Link to Paper Search Results by DOI
  58. Identification of post-menopausal women at risk of osteoporosis by trained general dental practitioners using panoramic radiographs, DENTOMAXILLOFACIAL RADIOLOGY, 36(3), 149-154, 200703
    Link to Paper Search Results by DOI
  59. Positional changes of oropharyngeal structures due to gravity in the upright and supine positions, DENTOMAXILLOFACIAL RADIOLOGY, 37(3), 130-136, 200803
    Link to Paper Search Results by DOI
  60. Observer performance in diagnosing osteoporosis by dental panoramic radiographs: Results from the osteoporosis screening project in dentistry (OSPD), BONE, 43(1), 209-213, 200807
    Link to Paper Search Results by DOI
  61. A computer-aided diagnosis system to screen for osteoporosis using dental panoramic radiographs, DENTOMAXILLOFACIAL RADIOLOGY, 37(5), 274-281, 200807
    Link to Paper Search Results by DOI
  62. Detection of post-menopausal women with low bone mineral density and elevated biochemical markers of bone turnover by panoramic radiographs, DENTOMAXILLOFACIAL RADIOLOGY, 37(8), 433-437, 200812
    Link to Paper Search Results by DOI
  63. A morphological comparison of the piriform sinuses in head-on and head-rotated views of seated subjects using cone-beam computed tomography, ORAL RADIOLOGY, 24(2), 64-70, 200812
    Link to Paper Search Results by DOI
  64. Improved inspection of the lateral pharyngeal recess using cone-beam computed tomography in the upright position, ORAL RADIOLOGY, 24(2), 71-75, 200812
    Link to Paper Search Results by DOI