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Gregory J. Seymour

Gregory J. Seymour

University of Queensland
Australia

D-Index & Metrics

Biology and Biochemistry

D-Index
82
Citations
29417
World Ranking
3643
National Ranking
86

Medicine

D-Index
82
Citations
29534
World Ranking
15958
National Ranking
531

Gregory J. Seymour publication distribution in Biology and Biochemistry in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Biology and Biochemistry in 2026. The highlighted bar marks where Gregory J. Seymour sits on this spectrum.

47–56 publications: 8 scientists 57–66 publications: 35 scientists 67–76 publications: 106 scientists 77–86 publications: 231 scientists 87–96 publications: 414 scientists 97–106 publications: 546 scientists 107–116 publications: 704 scientists 117–126 publications: 849 scientists 127–136 publications: 980 scientists 137–146 publications: 942 scientists 147–156 publications: 969 scientists 157–166 publications: 950 scientists 167–176 publications: 951 scientists 177–186 publications: 915 scientists 187–196 publications: 787 scientists 197–206 publications: 841 scientists 207–216 publications: 735 scientists 217–226 publications: 709 scientists 227–236 publications: 651 scientists 237–246 publications: 605 scientists 247–256 publications: 510 scientists 257–266 publications: 524 scientists 267–276 publications: 434 scientists 277–286 publications: 418 scientists 287–296 publications: 350 scientists 297–306 publications: 363 scientists 307–316 publications: 315 scientists 317–326 publications: 296 scientists 327–336 publications: 261 scientists 337–346 publications: 240 scientists 347–356 publications: 219 scientists 357–366 publications: 197 scientists 367–376 publications: 154 scientists 377–386 publications: 161 scientists 387–396 publications: 155 scientists 397–406 publications: 145 scientists 407–416 publications: 124 scientists 417–426 publications: 112 scientists 427–436 publications: 132 scientists 437–446 publications: 116 scientists 447–456 publications: 99 scientists 457–466 publications: 81 scientists 467–476 publications: 91 scientists 477–486 publications: 80 scientists 487–496 publications: 80 scientists 497–506 publications: 60 scientists 507–516 publications: 36 scientists 517–526 publications: 46 scientists 527–536 publications: 54 scientists 537–546 publications: 44 scientists 547–556 publications: 43 scientists 557–566 publications: 43 scientists 567–576 publications: 42 scientists 577–586 publications: 25 scientists 587–596 publications: 34 scientists 597–606 publications: 23 scientists 607–616 publications: 33 scientists 617–626 publications: 31 scientists 627–636 publications: 27 scientists 637–646 publications: 25 scientists 647–656 publications: 28 scientists 657–666 publications: 34 scientists 667–676 publications: 18 scientists 677–686 publications: 16 scientists 687–696 publications: 10 scientists 697–706 publications: 12 scientists 707–716 publications: 21 scientists 717–726 publications: 12 scientists 727–736 publications: 12 scientists 737–746 publications: 10 scientists 747–756 publications: 7 scientists 757–766 publications: 13 scientists 767–776 publications: 15 scientists 777–786 publications: 13 scientists 787–796 publications: 9 scientists 797–806 publications: 9 scientists 807–816 publications: 7 scientists 817–826 publications: 4 scientists 827–836 publications: 9 scientists 837–846 publications: 7 scientists 847–856 publications: 3 scientists 857–866 publications: 5 scientists 867–876 publications: 5 scientists 877–886 publications: 11 scientists 887–896 publications: 3 scientists 897–906 publications: 4 scientists 907–916 publications: 7 scientists 917–926 publications: 5 scientists 927–936 publications: 6 scientists 937–946 publications: 6 scientists 947–956 publications: 3 scientists 957–966 publications: 7 scientists 967–976 publications: 2 scientists 977–986 publications: 2 scientists 987–996 publications: 1 scientists 997–1,006 publications: 5 scientists 1,007–1,016 publications: 2 scientists 1,017–1,026 publications: 2 scientists 1,027 publications: 1 scientists 1,028+ publications: 100 scientists
47 publications 1,028+

This scientist: 469 publications — 94th percentile

94% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,028 publications or more.

Gregory J. Seymour D-index placement in Biology and Biochemistry in 2026

The chart shows the D-index (discipline H-index) distribution of Biology and Biochemistry scientists ranked by Research.com in 2026. The highlighted bar marks where Gregory J. Seymour sits on this spectrum.

40–41 D-Index: 80 scientists 42–43 D-Index: 183 scientists 44–45 D-Index: 317 scientists 46–47 D-Index: 504 scientists 48–49 D-Index: 718 scientists 50–51 D-Index: 900 scientists 52–53 D-Index: 1,026 scientists 54–55 D-Index: 1,150 scientists 56–57 D-Index: 1,236 scientists 58–59 D-Index: 1,253 scientists 60–61 D-Index: 1,163 scientists 62–63 D-Index: 1,131 scientists 64–65 D-Index: 1,032 scientists 66–67 D-Index: 897 scientists 68–69 D-Index: 814 scientists 70–71 D-Index: 715 scientists 72–73 D-Index: 709 scientists 74–75 D-Index: 596 scientists 76–77 D-Index: 512 scientists 78–79 D-Index: 473 scientists 80–81 D-Index: 412 scientists 82–83 D-Index: 373 scientists 84–85 D-Index: 358 scientists 86–87 D-Index: 285 scientists 88–89 D-Index: 273 scientists 90–91 D-Index: 227 scientists 92–93 D-Index: 208 scientists 94–95 D-Index: 193 scientists 96–97 D-Index: 153 scientists 98–99 D-Index: 157 scientists 100–101 D-Index: 148 scientists 102–103 D-Index: 120 scientists 104–105 D-Index: 113 scientists 106–107 D-Index: 100 scientists 108–109 D-Index: 86 scientists 110–111 D-Index: 67 scientists 112–113 D-Index: 72 scientists 114–115 D-Index: 73 scientists 116–117 D-Index: 64 scientists 118–119 D-Index: 53 scientists 120–121 D-Index: 60 scientists 122–123 D-Index: 54 scientists 124–125 D-Index: 43 scientists 126–127 D-Index: 38 scientists 128–129 D-Index: 49 scientists 130–131 D-Index: 26 scientists 132–133 D-Index: 18 scientists 134–135 D-Index: 23 scientists 136–137 D-Index: 32 scientists 138–139 D-Index: 32 scientists 140–141 D-Index: 27 scientists 142–143 D-Index: 19 scientists 144–145 D-Index: 22 scientists 146–147 D-Index: 12 scientists 148–149 D-Index: 16 scientists 150–151 D-Index: 14 scientists 152–153 D-Index: 10 scientists 154–155 D-Index: 13 scientists 156–157 D-Index: 10 scientists 158–159 D-Index: 7 scientists 160–161 D-Index: 9 scientists 162–163 D-Index: 13 scientists 164–165 D-Index: 4 scientists 166 D-Index: 4 scientists 167+ D-Index: 98 scientists
40 D-Index 167+

This scientist: 82 D-Index — 82nd percentile

82% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 167 D-Index or more.

Research.com Recognitions

  • 2008 - Fellow of the Royal Society of New Zealand

Overview

Gregory J. Seymour is affiliated with the University of Queensland in Australia and has a research focus primarily in the fields of dentistry and medicine, with an emphasis on periodontics. Their scholarly output includes over 30 publications related to periodontics and an additional body of work within public health, environmental and occupational health.

Their research covers a range of topics that include oral microbiology and periodontitis research, oral health pathology and treatment, dental health and care utilization, HIV/AIDS oral health manifestations, lipoproteins and cardiovascular health, oral and gingival health research, and bone tumor diagnosis and treatments.

Frequent publication venues for their work are:

  • Journal of Periodontology
  • Oral Diseases
  • Clinical Oral Investigations
  • Einstein (São Paulo)
  • International Journal of Environmental Research and Public Health

Their recent papers include the following:

  • The Effect of a Personalized Oral Health Education Program on Periodontal Health in an At-Risk Population: A Randomized Controlled Trial (2021), International Journal of Environmental Research and Public Health
  • Periodontitis is a factor associated with dyslipidemia (2021), Oral Diseases
  • Reduction of hsCRP levels following an Oral Health Education Program combined with routine dental treatment (2021), Journal of Dentistry
  • Stage II and stage III periodontitis clinical burdens of HIV-1 undergoing antiretroviral therapy (2021), Clinical Oral Investigations
  • Effects of zoledronic acid and geranylgeraniol on angiogenic gene expression in primary human osteoclasts (2020), Journal of Oral Science

They have collaborated frequently with several co-authors, including:

  • Isaac Suzart Gomes-Filho
  • Soraya Castro Trindade
  • Johelle de Santana Passos-Soares
  • Alexandre Marcelo Hintz
  • Frank A. Scannapieco

In addition to journal articles, Gregory J. Seymour has contributed to academic books published by Springer Science+Business Media, notably the book titled Oral Biology (2022).

Their work has been recognized with the award of Fellow of the Royal Society of New Zealand in 2008.

Best Publications

  • Periodontitis: Consensus report of workgroup 2 of the 2017 World Workshop on the Classification of Periodontal and Peri-Implant Diseases and Conditions.

    Panos N. Papapanou;Mariano Sanz;Nurcan Buduneli;Thomas Dietrich

  • Advances in the pathogenesis of periodontitis: summary of developments, clinical implications and future directions

    Roy C. Page;Steven Offenbacher;Hubert E. Schroeder;Gregory J. Seymour

  • The pathogenesis of oral lichen planus.

    P.B. Sugerman;N.W. Savage;L.J. Walsh;Z.Z. Zhao

  • Consensus Report: Chronic Periodontitis

    Jan Lindhe;Richard Ranney;Ira Lamster;Allan Charles

  • Periodontitis: Consensus report of workgroup 2 of the 2017 World Workshop on the Classification of Periodontal and Peri-Implant Diseases and Conditions: Classification and case definitions for periodontitis

    Panos N. Papapanou;Mariano Sanz;Nurcan Buduneli;Thomas Dietrich

  • Relationship between periodontal infections and systemic disease

    G.J. Seymour;P.J. Ford;M.P. Cullinan;M.P. Cullinan;S. Leishman

  • Cytokines and prostaglandins in immune homeostasis and tissue destruction in periodontal disease

    Erica Gemmell;Roderick I. Marshall;Gregory J. Seymour

  • Immunopathogenesis of chronic inflammatory periodontal disease: cellular and molecular mechanisms

    G. J. Seymour;E. Gemmell;Richard A Reinhardt;J. Eastcott

  • Human B cell development. II. Subpopulations in the human fetus.

    M Bofill;G Janossy;M Janossa;G D Burford

  • Periodontal disease and systemic health: Current status

    MP Cullinan;PJ Ford;GJ Seymour

  • Cytokines in periodontal disease: where to from here?

    Gregory J. Seymour;Erica Gemmell

  • Immunoregulatory control of Th1/Th2 cytokine profiles in periodontal disease

    Erica Gemmell;Gregory J. Seymour

  • Importance of the host response in the periodontium.

    Gregory J. Seymour

  • The phenotypic characterization of lymphocyte subpopulations in established human periodontal disease.

    Gregory J. Seymour;John S. Greenspan

  • Immunohistological analysis of delayed-type hypersensitivity in man.

    L.W. Poulter;G.J. Seymour;O. Duke;G. Janossy

  • Immunopathogenesis of oral lichen planus.

    L. J. Walsh;N. W. Savage;T. Ishii;G. J. Seymour

  • Periodontal disease and systemic illness: will the evidence ever be enough?

    Mary P. Cullinan;Gregory J. Seymour

  • Destructive periodontitis lesions are determined by the nature of the lymphocytic response.

    E. Gemmell;K. Yamazaki;G.J. Seymour

  • Effects of zoledronic acid and geranylgeraniol on the cellular behaviour and gene expression of primary human alveolar osteoblasts

    Sobia Zafar;D.E. E. Coates;M.P. P. Cullinan;B.K. K. Drummond

  • Effect of periodontal treatment on the C-reactive protein and proinflammatory cytokine levels in Japanese periodontitis patients.

    Kazuhisa Yamazaki;Tomoyuki Honda;Taro Oda;Kaoru Ueki-Maruyama

Frequent Co-Authors

Kazuhisa Yamazaki
Kazuhisa Yamazaki Niigata University
Martin F. Lavin
Martin F. Lavin University of Queensland
Michael Walsh
Michael Walsh Memorial Sloan Kettering Cancer Center
Niklaus P. Lang
Niklaus P. Lang University of Bern
George Janossy
George Janossy University of the Witwatersrand
Linda L. Blackall
Linda L. Blackall University of Melbourne
Mauricio Lima Barreto
Mauricio Lima Barreto Oswaldo Cruz Foundation
Denis F. Kinane
Denis F. Kinane University of Bern
John S. Greenspan
John S. Greenspan University of California, San Francisco
Joanne F. Aitken
Joanne F. Aitken Cancer Council Queensland

External Links

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Best Scientists Citing Gregory J. Seymour

Kazuhisa Yamazaki

Kazuhisa Yamazaki

Niigata University

Publications: 58

Panos N. Papapanou

Panos N. Papapanou

Columbia University

Publications: 43

Gustavo Pompermaier Garlet

Gustavo Pompermaier Garlet

Universidade de São Paulo

Publications: 40

Timo Sorsa

Timo Sorsa

University of Helsinki

Publications: 40

Mariano Sanz

Mariano Sanz

Complutense University of Madrid

Publications: 37

Thomas E. Van Dyke

Thomas E. Van Dyke

Harvard University

Publications: 36

Jan Potempa

Jan Potempa

University of Louisville

Publications: 35

Denis F. Kinane

Denis F. Kinane

University of Bern

Publications: 34

Tord Berglundh

Tord Berglundh

University of Gothenburg

Publications: 30

Jørgen Slots

Jørgen Slots

University of Southern California

Publications: 30

Kenneth S. Kornman

Kenneth S. Kornman

University of Michigan–Ann Arbor

Publications: 29

Maurizio S. Tonetti

Maurizio S. Tonetti

Shanghai Jiao Tong University

Publications: 27

Lijian Jin

Lijian Jin

University of Hong Kong

Publications: 27

George Hajishengallis

George Hajishengallis

University of Pennsylvania

Publications: 27

Niklaus P. Lang

Niklaus P. Lang

University of Bern

Publications: 26

Richard P. Darveau

Richard P. Darveau

University of Washington

Publications: 26

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