Richard Gregory

  • Professor of Oral Biology and Pathology and Laboratory Medicine, Adjunct Professor of Preventive and Community Dentistry, Director, PhD Dental Science Program, Director, Student Research Programs, Biomedical Sciences and Comprehensive Care
  • 2305 Citations
  • 28 h-Index
1979 …2019
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Streptococcus mutans Medicine & Life Sciences
Biofilms Medicine & Life Sciences
Immunoglobulin A Medicine & Life Sciences
Saliva Medicine & Life Sciences
Dental Caries Medicine & Life Sciences
Antibodies Medicine & Life Sciences
Ointments Medicine & Life Sciences
Nicotine Medicine & Life Sciences

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NIH Grants 1979 2003

IgA-specific serine endopeptidase
Antibody Formation
Peptide Hydrolases
Immunoglobulin G
Streptococcus mutans
Immunoglobulin A


Gregory, R. & Arnold, R.

National Institutes of Health


Project: Research project

Publications 1982 2019

  • 2305 Citations
  • 28 h-Index
  • 131 Article
  • 2 Chapter
  • 2 Review article
  • 1 Conference contribution

Curcumin—A Natural Medicament for Root Canal Disinfection: Effects of Irrigation, Drug Release, and Photoactivation

Sotomil, J. M., Münchow, E. A., Pankajakshan, D., Spolnik, K., Ferreira, J. A., Gregory, R. & Bottino, M. C., Jan 1 2019, (Accepted/In press) In : Journal of Endodontics.

Research output: Contribution to journalArticle

Root Canal Irrigants
Sodium Chloride

Effect of nicotine on biofilm formation of Streptococcus mutans isolates from smoking and non-smoking subjects

El-Ezmerli, N. F. & Gregory, R. L., Jan 1 2019, In : Journal of Oral Microbiology. 11, 1, 1662275.

Research output: Contribution to journalArticle

Open Access
Streptococcus mutans
Dental Caries

Impact of caffeine on metabolic activity and biofilm formation of Candida albicans on acrylic denture resin in the presence of nicotine

Alfaifi, A. A., Lin, W. S., Aldhaian, B. A., Levon, J. A. & Gregory, R. L., Jan 1 2019, (Accepted/In press) In : Journal of Prosthetic Dentistry.

Research output: Contribution to journalArticle

Acrylic Resins
Candida albicans
Chronic Periodontitis
Intercellular Signaling Peptides and Proteins
Healthy Volunteers
Blood Platelets

Oral Health Effects of Combusted and Smokeless Tobacco Products

Tomar, S. L., Hecht, S. S., Jaspers, I., Gregory, R. L. & Stepanov, I., Oct 1 2019, In : Advances in dental research. 30, 1, p. 4-10 7 p.

Research output: Contribution to journalReview article

Open Access
Smokeless Tobacco
Oral Health
Tobacco Products
Dental Pharmaceutical Preparations