Peter Berthold, DDS, PhD, DMD, FICD

Professor Emeritus, Department of Primary Dental Care

Peter Berthold

Contact Info

DDS, Karolinska Institutet, Stockholm, Sweden; PhD, Karolinska Institutet, Stockholm Sweden; DMD

Oral Prosthetics


Dr. Berthold received his initial education in Sweden graduating from Karolinska Institutet, Stockholm with the degrees DDS (1967) and PhD (1978). Dr. Berthold moved to University of Pennsylvania School of Dental Medicine in 1979. In 1983, he earned a DMD degree, and his Swedish qualification in Oral Prosthetics. As tenured Professor, he chaired the Department of Community Oral Health and later the Department of Preventive and Restorative Sciences. He was Associate Dean of International Relations between 1990 and 2005, and Director of the Program for Advanced Standing Students from 1986 until his retirement in 2005. He directed a WHO Collaborating Center for 6 years.

His tenure at University of Minnesota School of Dentistry as Professor of Health Ecology began in 2006 following a year at WHO HQ in Geneva. In 2008, he was named Director and Professor of the Community Oral Health Division. He directed the International Programs and the Program for Advanced Standing Students between 2006 and 2013. He was Adjunct Professor at the School of Public Health. Dr. Berthold's has published numerous peer-reviewed articles in his areas of scholarly interests. He has lectured frequently both locally and globally.

Dr. Berthold retired as Professor Emeritus in 2015. He is currently a consultant for accreditations of higher education in the health sciences in the Middle East. 


Research Summary/Interests

  • Oral microbiology, Streptococcus mutans and plaque formation
  • Oral HIV disease and AIDS (research and care).
  • NOMA (a.k.a. Cancrum Oris).
  • Dental education and care.


Book Chapters (4/5)

Taichman, N.S., McArthur, W.P., Tsai, C-C., Baehni, P.C., Shenker, B.J., Berthold, P., Evian, C. and Stevens, R. 1982. Leukocidal mechanisms of Actinobacillus actinomycetemcomitans (Aa). In: Host bacterial interactions in periodontal disease. (Eds. Genco, R.J. and Mergenhagen, S.E.) AMS. Washington, D.C. pp. 261-269.

Berthold, P. and Lopez, N. 1995. Forging partnerships for international collaborations in oral health education. In: International Collaboration in Dental Education: Facing the Challenge of Providing Adequate Access to Oral Health Care. Proceedings. 1995. Eds. Lopez, N. and Berthold, P., University of Pennsylvania School of Dental Medicine. Philadelphia, PA.

Glick, M. and Berthold, P. 2002. Oral manifestations of HIV infection. In: HIV infection in primary care. Eds.: Buckley, R. M. and Gluckman S. J. Saunders, pp 132-140

Berthold, P. 2003. NOMA - A forgotten Disease. In: Dental Clinics of North America : Infectious Diseases. Dental Clinics of North America, Ed. :Glick, M. Elsevier, New York. 47(3):559-74

Selected referred articles (15/53)

Berthold, P. and Berthold, C.-H. 1978. Electron microscopic demonstration of Streptococcus mutans in 5-day-old experimental dental plaque using immunohistochemistry. Acta. Path. Microbiol. Scand. Sec. B., Suppl 271:39-63.

Berthold, P., Lai, C-H and Listgarten, M. 1982. Immunoelectron microscopic studies of Actinomyces viscosus (T14V). J. Periodont. Res. 17:26-40.

Males, B.M., Berthold, P. and Listgarten, M. 1984. Helical flagellation in Centipeda periodontii a Gram-negative, anaerobic bacillus from periodontitis lesions. J. Gen. Micro. 130:185-191.

Berthold, P. and Listgarten, M. 1986. Distribution of Actinobacillus actinomycetemcomitans in juvenile periodontitis plaque. An electron immunocytochemical study. J. Periodont. Res. 21:473-485.

Berthold, P., Males, B., Dougherty, P.A., Lai, C-H. and Listgarten, M. 1988. Ultrastructure of the flagellar basal body from Centipeda periodontii. Journal of Ultrastructure and Molecular Structure Research. 99:150-155.

Shenker, B.J., Berthold, P., Dougherty, P. and Porter, K. 1987. Immunosuppressive effects of Centipeda periodontii: Selective cytotoxicity for lymphocytes and monocytes. Infect. Immun. 55:2332-2340.

Taichman, N.S., Iawase, M., Korchak, H.M., Berthold, P. and Lally, E. 1991. Membranolytic activity of Actinobacillus actinomycetemcomitans leukotoxin.. J. Periodont. Res. 26:258-260.

Malamud, D., Davies, C., Berthold, P., Roth, E. and Friedman, H. 1993. Human submandibular saliva aggregates HIV. AIDS Res. Hum. Retroviruses 9:633-637.

Berthold, P., Stewart, J., Cumming, C., Decker, S. , MacGregor, R. and Malamud, D. 1994. Candida in dental plaque from AIDS patients. Journal of Infectious Disease 170:1053-1054.

Berthold, P. and Lopez, N. 1994. PENN PASS: A program for graduates of foreign dental schools. J. D. E 58:849-854.

Lopez, N., Glick, M. and Berthold, P. 1998. Providing care in an infectious disease clinic: Why students volunteer. Eur. J. Dent. Educ. 2:138-142.

Muzyka BC, Kamwendo L, Mbweza E, Lopez NB, Glick M, Matheson PB, Kershbaumer R, , Nyrienda T, Malamud D, Constantine NT, Thompson J, Nyasulu, Y, Saville R and Berthold, P. 2001. Prevalence of HIV-1 and Oral Lesions in Pregnant Women in Rural Malawi. Oral Surg. Oral Med. Oral Pathol. Oral Radiol. Endod. 92:56-61.

Lopez, N., Wadenya, R. and Berthold, P. 2003. Effective recruitment and retention strategies for underrepresented minority students: Perspective from dental students. J. Dent. Educ. 67:1107-1112

Gennaro, S., Naido, S. and Berthold, P. 2008. Oral Health and HIV/AIDS. Am J Matern Child Nurs. 33(1):50-7.

Wadenya, R.O., Lopez, N. and Berthold, P. 2010. Chewing stick use among African immigrants in West Philadelphia: implications for oral health providers. Community Dental Health 27:60-64

Selected abstracts (10/64)

Males, B.M., Berthold, P. and Listgarten, M.A. 1983. Morphology of flagellar insertion among members of a new taxon, Centipeda periodontii. J. Dent. Res. 62:246.

Berthold, P., Lally, E., Rosenbloom, J., Taichman, N. and Forti, D. 1990. Electron immunocytochemical localization of Actinobacillus actinomycetemcomitans' leukotoxin. J. Dent. Res. Spec. Issue. 69:297.

Malamud, D., Davis, C., Berthold, P., Roth, L. and Friedman, H. 1991. Anti-HIV activity in human saliva. Contemporary Development in Salivary Research. Buffalo, N.Y.

Berthold , P. and Lopez, N. 1992. PENN PASS: A Foreign Dentist Program. American Association of Dental Schools 69th Annual Session. Boston, Massachusetts. p.56.

Lopez, N. and Berthold, P. 1992. An Exploration of Attitudes of Graduates of Foreign Dental Schools toward an American D.M.D. Program. American Association of Dental Schools 69th Annual Session. Boston, Massachusetts. p. 32.

Berthold, P., Glick, M. and Danik, J. 1998. Severe caries and the use of protease inhibitors. J. Dent. Res. Special Issue A, 77:116/84.

Simpser-Rafalin, S., Lopez, N. and Berthold, P. 2002. Atraumatic restorative treatment for caries in an underserved community. APHA 130th Annual Meeting. Abstract #42810.

Berthold, P., Lopez, N., Agwu-Jones, C., Taylor, L. and Buchanan, J. 2003. Learning styles and computer knowledge of international and US born dental students. J. Dent. Res. 82: B-210.

Buchanan, J., Berthold, P., Lopez, N., and Attstrom, R. 2008. Learning Styles and Computer Comfort of 13 International Dental Schools. ADEA Annual Session 2008, Dallas TX. JDE 72 (2) Abstract 50, 212

Berthold, P., Meyer, C. and Miller, J. 2012. Engaging Dental Students in Emergency Preparedness and Interprofessional Collaboration. All Together Better Health VI (ATBH VI) Kobe, Japan, October 2012.