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Family Dentistry Faculty

David C. Holmes David C. Holmes, D.D.S., M.S.
Professor and Head, Department of Family Dentistry

Dr. Holmes practiced general dentistry in Eldridge, Iowa, from 1978-1989. He became an adjunct faculty in the Department of Family Dentistry at Iowa during this time. After completing his specialty training in periodontics in 1991, Dr. Holmes became a group leader in Family Dentistry. In 1997, he joined the faculty at the University of Colorado where he served as chair of the Division of Comprehensive Care. In 2004, he returned to Iowa to accept the DEO position of the Department of Family Dentistry.


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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.


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Ana M. Diaz-Arnold Ana M. Diaz-Arnold, D.D.S., M.S.
Professor, Department of Family Dentistry

Dr. Arnold became a faculty member in the Department of Family Dentistry in 1987, following a two-year general practice residency and completion of a graduate program in prosthodontics at The University of Iowa.


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Manuel R. Gomez Manuel R. Gomez, D.D.S.
Clinical Associate Professor, Department of Endodontics

Before becoming a faculty member of the Department of Endodontics, Dr. Gómez was in private endodontic practice in Bogotá , Colombia from 1980-2003. During this time he was also a faculty member at the College of Dentistry, Department of Endodontics, Javeriana University and was president of the Association of Endodontists of Bogotá for eight consecutive years. He currently a clinical associate professor and also a Diplomate of the American Board of Endodontics.


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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.


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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.


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J. Michael Leary J. Michael Leary, D.D.S., M.S.
Professor (In Memorium)

Dr. Leary was in private practice in Washington, Iowa, from 1971-1985 and was also an adjunct faculty in the Department of Family Dentistry from 1974-1985. In 1989, he became an associate professor in the Family Dentistry department and in 1995, Dr. Leary became a full professor.    Memorium


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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.


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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.


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Larry J. Squire Larry J. Squire, D.D.S.
Clinical Associate Professor, Department of Family Dentistry

Dr. Larry Squire has practiced general dentistry in Davenport, Iowa, since 1976. He has also been an adjunct professor in the Department of Family Dentistry since 1977.


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Cheryl Straub-Morarend Cheryl Straub-Morarend, D.D.S.
Assistant Professor, Department of Family Dentistry

Dr. Straub-Morarend joined The University of Iowa College of Dentistry in 2005. She is a visiting assistant professor in the Department of Family Dentistry.


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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.


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