General Dentists

call for appt 319-335-9663

Choosing a dental provider is an important decision. Whether you are looking for answers to your dental problems, desiring routine dental care, or longing for a beautiful smile, your general dentist should be your partner in dental care.

Most of our general dentists are both educators and clinicians, skilled in the most current techniques and aware of the latest developments in dentistry. Their practices are conducted in a manner similar to private dental providers. If your care at the College of Dentistry involves the need for specialized treatment, your general dentist can easily refer you to a specialist here while still remaining involved in your dental care. We are the only dental school in the country with graduate programs in all specialties recognized by the American Dental Association.


Steve Armstrong
Steven R. Armstrong, D.D.S., Ph.D., FADM
Professor and Chair, Department of Operative Dentistry

Dr. Armstrong joined The University of Iowa College of Dentistry faculty in 1999 after completing post-doctoral work at the college as an NIDCR Dentist-Scientist. He is a professor in the Department of Operative Dentistry.

To Make an Appointment: 319-335-8232
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David M. Bohnenkamp
David M. Bohnenkamp, D.D.S., B.A., M.S., F.A.C.P.
Clinical Associate Professor, Department of Family Dentistry

Prior to coming to Iowa, Dr. Bohnenkamp was an associate professor in the Department of Comprehensive Dentistry and served as the director of the International Dentist Education Program from 2006-2013 at the University of Texas Health Science Center Dental School in San Antonio. He is currently a clinical associate professor in the Department of Family Dentistry.

To Make an Appointment: 319-335-7318
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Marcia Campos
Marcia Campos , D.D.S., M.S., Ph.D.
Clinical Assistant Professor, Department of Oral Pathology, Radiology & Medicine

Dr. Campos joined the University of Iowa College of Dentistry's Department of Oral Pathology, Radiology & Medicine in 2017. 

To Make an Appointment: 319-335-7499
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Dan Caplan
Dan Caplan, D.D.S., Ph.D.
Department Head, Department of Preventive & Community Dentistry

Dr. Caplan is professor and head of the Department of Preventive and Community Dentistry. Before joining the UI College of Dentistry in 2007, he was a faculty member in the Department of Dental Ecology at the University of North Carolina School of Dentistry from 1995-2007.

To Make an Appointment: 319-335-8232
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Xi Chen
Xi Chen, D.D.S., Ph.D.
Associate Professor, Department of Preventive & Community Dentistry

Before coming to the University of Iowa College of Dentistry, Dr. Chen was an assistant professor in the Department of Dental Ecology, School of Dentistry at the University of North Carolina, Chapel Hill, NC.

To Make an Appointment: 319-335-8232
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Christopher Barwacz
Christopher Barwacz, D.D.S
Assistant Professor, Department of Family Dentistry

Dr. Barwacz joined the Craniofacial Clinical Research Program in 2008, where he provides the latest in dental care to research participants as well as private patients.

To Make an Appointment: 319-335-8232
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Howard J. Cowen
Howard J. Cowen, D.D.S., M.S., DABSCD
Clinical Professor, Department of Preventive & Community Dentistry

Dr. Cowen joined the College of Dentistry in 1982. He is director of the Geriatric and Special Needs Dental Program and director of the Geriatric and Special Needs Postgraduate Certificate Program, as well as a clinical professor in the Department of Preventive and Community Dentistry

To Make an Appointment: 319-335-8232
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Peter Damiano
Peter Damiano, D.D.S., M.P.H.
Professor, Department of Preventive and Community Dentistry
Director, UI Public Policy Center

Dr. Damiano joined the College of Dentistry in 1990. He is a professor in the Department of Preventive and Community Dentistry and director, Health Policy Research, at the Public Policy Center.

To Make an Appointment: 319-335-8232
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Hanan Elgendy
Hanan Elgendy, D.D.S., M.S.
Visiting Assistant Professor, Department of Operative Dentistry

Dr. Elgendy received her M.S. and certificate in operative dentistry in 2016. She is currently a visiting assistant professor in the Department of Operative Dentistry.

To Make an Appointment: 319-335-8232
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Ronald D. Elvers
Ronald D. Elvers, D.D.S., M.S.
Director of Clinics
Associate Clinical Professor, Department of Oral Pathology, Radiology & Medicine

Dr. Elvers joined The University of Iowa College of Dentistry in 1996. He is director of clinics and an associate clinical professor in the Department of Oral Pathology, Radiology and Medicine.

To Make an Appointment: 319-335-8232
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Gregory A. Farris
Gregory A. Farris, D.D.S.
To Make an Appointment: 319-335-8232
Alberto Gasparoni
Alberto Gasparoni, D.D.S, M.S., Ph.D., D.D.S.
Clinical Associate Professor

Dr. Gasparoni joined the College of Dentistry in 2010 as a visiting assistant professor. He is now a clinical associate professor in Dental Clinic Administration and the Department of Oral Pathology, Radiology and Medicine.

To Make an Appointment: 319-335-8232
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David G. Gratton
David G. Gratton, D.D.S., M.S.
Associate Professor, Hospital Dentistry Institute/Prosthodontics

Dr. Gratton joined The University of Iowa Department of Prosthodontics in 2002. In 2015, he joined the faculty at Hospital Dentistry and is also now an associate professor in the Department of Oral & Maxillofacial Surgery. Before coming to Iowa, he was an assistant professor, prosthodontics, at The University of Western Ontario's School of Dentistry. He was also a dental staff member of the London Health Sciences Centre, University Campus, in the Oral and Maxillofacial Rehabilitation Unit, Department of Dentistry.

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Sandra Guzmán-Armstrong
Sandra Guzmán-Armstrong, D.D.S., M.S.
Clinical Professor, Department of Operative Dentistry

Dr. Guzmán-Armstrong joined the Department of Operative Dentistry in 2001 after completing postdoctoral work at the College of Dentistry. She is a clinical professor in the Department of Operative Dentistry.

To Make an Appointment: 319-335-8232
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Jennifer Hartshorn
Jennifer Hartshorn, D.D.S., Geriatric and Special Needs Certificate
Clinical Assistant Professor, Department of Preventive & Community Dentistry

Dr. Jennifer Hartshorn joined the Department of Preventive & Community Dentistry as a clinical assistant professor in July 2013 after completing her geriatric and special needs certificate at the UI College of Dentistry.

To Make an Appointment: 319-335-8232
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Maria Marcela Hernández
Maria Marcela Hernández, D.D.S., M.S.
Clinical Associate Professor, Department of Family Dentistry

Dr. Hernández joined the University of Iowa College of Dentistry faculty in 2003 after working as director of the operative dentistry section at the Universidad Javeriana Dental School, Bogota, Colombia, and working in private practice for ten years. She is a clinical associate professor in the Department of Family Dentistry.

To Make an Appointment: 319-335-7318
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Mary Kay Hill
Mary Kay Hill, D.D.S.
Visiting Assistant Professor, Dental Clinic Administration

Dr. Hill was a general dentist in Medford, Oregon, before joining the University of Iowa College of Dentistry in 2012. She is a visiting assistant professor in Dental Clinic Administration.

To Make an Appointment: 319-335-8232
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Ryan W. Hill
Ryan W. Hill, D.D.S., General Practice Residency Certificate
Clinical Assistant Professor, Department of Oral and Maxillofacial Surgery

Dr. Hill received his D.D.S. from the College of Dentistry in 2010 and completed a one-year general practice residency at the University of Iowa Hospitals and Clinics. Dr. Hill worked as a general dentist in Oregon treating underserved populations and then accepted the position of assistant professor and program director of the general practice residency in the Department of Oral and Maxillofacial Surgery in July 2012.

To Make an Appointment: 319-356-2205
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Brian Howe
Brian Howe, D.M.D., M.S.
Assistant Professor, Department of Family Dentistry

Dr. Howe was in private practice in Madison, Wisconsin, from 2006-2011 and in Iowa City, Iowa, from 2013-2015. He was an adjunct faculty in the Department of Family Dentistry from 2013-2015.

To Make an Appointment: 319-335-7318
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Aditi Jain
Aditi Jain, B.D.S., M.S.
Clinical Assistant Professor, Department of Operative Dentistry

Dr. Aditi Jain completed her MS in oral science and certificate in operative dentistry at the University of Iowa College of Dentistry in 2016. She is now a clinical assistant professor in the Department of Operative Dentistry.

To Make an Appointment: 319-335-8232
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Justine Kolker
Justine L. Kolker, D.D.S., M.S., Ph.D.
Associate Professor, Department of Operative Dentistry

Dr. Kolker joined The University of Iowa College of Dentistry faculty in 2005 after completing a research fellowship at the University of Michigan and a Ph.D. in oral science at Iowa as an NIDCR Dentist-Scientist. She is an assistant professor in the Department of Operative Dentistry.

To Make an Appointment: 319-335-8232
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Kari Maas
Kari Maas, D.D.S.
Clinical Assistant Professor, Clinic Administration

Before joining the faculty at the College of Dentistry, Dr. Maas treated general dental patients at Lindale Dental Care, Cedar Rapids, from 2000-2015. She became a clinical assistant professor at the College of Dentistry & Dental Clinics in 2015.

To Make an Appointment: 319-335-8232
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Leonardo Marchini
Leonardo Marchini, D.D.S., M.S.D., Ph.D.
Assistant Professor, Department of Preventive & Community Dentistry

Dr. Marchini joined the College of Dentistry in 2013. Prior to coming to Iowa, Dr. Marchini taught as an assistant professor at the University of Vale de Paraiba, the University of Taubate, and the State University of Sao Paulo, for both undergraduate and graduate students.

To Make an Appointment: 319-335-8232
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Carrie McKnight
Carrie McKnight, D.D.S.
Clinical Assistant Professor, Department of Oral Pathology, Radiology and Medicine

Dr. McKnight served as a staff dentist at Broadlawns Hospital, Des Moines, from 1999-2001. She also was in private practice in Johnston, Iowa, from 2000-2001. From 2001-2005, she was clinical assistant professor and General Practice Residency director in the Hospital Dentistry division of UI Hospitals and Clinics.

To Make an Appointment: 319-335-8232
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Michelle R. McQuistan
Michelle R. McQuistan, D.D.S., M.S.
Associate Professor, Department of Preventive & Community Dentistry

Dr. McQuistan completed her D.D.S. at The University of Iowa in 2001. In 2002 she received her AEGD certificate from the University of Florida-Jacksonville Clinic. She returned to The University of Iowa where she completed her M.S. in dental public health in 2004.

To Make an Appointment: 319-335-8232
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Patricia Meredith
Patricia Meredith, D.D.S., M.S.
Director, Advanced Standing Program
Clinical Professor, Department of Operative Dentistry

Dr. Meredith joined The University of Iowa College of Dentistry faculty in 1996 as director of Patient Admissions. She is a clinical professor in the Department of Operative Dentistry.

To Make an Appointment: 319-335-8232
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Michael D. Murrell
Michael D. Murrell, D.D.S.
Clinical Assistant Professor, Department of Family Dentistry

Dr. Murrell was in private practice from 1982-2014. He was also an adjunct faculty in the University of Iowa College of Dentistry's Department of Family Dentistry from 2013-2014. Dr. Murrell is now a clinical assistant professor in the Department of Family Dentistry.

To Make an Appointment: 319-335-7318
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Dr. Reed Parker
Reed Parker, D.D.S.
Assistant Professor

Dr. Parker has practiced general dentistry in Iowa City, Iowa, since 1978. He was also an adjunct professor in the Department of Family Dentistry before joining the College of Dentistry full time.

To Make an Appointment: 319-335-7318
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Natalia Restrepo-Kennedy
Natalia Restrepo-Kennedy, D.D.S., M.S.
Clinical Assistant Professor, Department of Operative Dentistry

Dr. Restrepo-Kennedy joined the University of Iowa College of Dentistry faculty in 2012 as a visiting assistant professor after completing her MS in oral science and certificate in operative dentistry. In 2013, she became a clinical assistant professor in the Department of Operative Dentistry.
 

To Make an Appointment: 319-335-8232
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Julie C. Reynolds
Julie C. Reynolds, D.D.S., M.S.
Assistant Professor, Department of Preventive & Community Dentistry

Dr. Reynolds joined the College of Dentistry as a visiting assistant professor in August 2014, and as of November 2017 she is now an assistant professor. 

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Rodrigo Rocha Maia
Rodrigo Rocha Maia, D.D.S., M.S., Ph.D
Assistant Professor, Department of Operative Dentistry

Dr. Rocha Maia joined the University of Iowa College of Dentistry faculty in 2012 as a visiting assistant professor in the Department of Operative Dentistry. In 2013 he became an assistant professor.

To Make an Appointment: 319-335-8232
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Keri Collison Stahle
Keri Collison Stahle, D.D.S.
Clinical Assistant Professor

Dr. Stahle joined the College of Dentistry in 2007. She is a clinical assistant professor.

To Make an Appointment: 319-335-8232
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John Syrbu
John Syrbu, D.D.S.
Clinical Assistant Professor, Department of Family Dentistry

Dr. John Syrbu joined the Department of Family Dentistry in 2016 following a general practice residency and private practice experience. 

To Make an Appointment: 319-335-7318
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Erica Teixeira
Erica C. Teixeira, D.D.S., M.S., Ph.D.
Associate Professor, Department of Operative Dentistry

Prior to coming to Iowa, Dr. Teixeira was an assistant clinical professor at the University of Texas Health Science Center at San Antonio, Department of Comprehensive Dentistry, San Antonio, TX. She joined the UI College of Dentistry in July 2014 as an associate professor in the Department of Operative Dentistry.

To Make an Appointment: 319-335-8232
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Marcos Vargas
Marcos Vargas, B.D.B., D.D.S., M.S.
Professor, Department of Family Dentistry

Dr. Vargas joined the College of Dentistry as an assistant professor in 1994. He is now a professor in the Department of Family Dentistry.

To Make an Appointment: 319-335-7318
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Cristina de Mattos Pimenta Vidal
Cristina de Mattos Pimenta Vidal, D.D.S., M.S., Ph.D.
Assistant Professor, Department of Operative Dentistry

Dr. Vidal joined the UI College of Dentistry, Department of Operative Dentistry, in 2016.

To Make an Appointment: 319-335-7499
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