Poster Presentation

Poster Presentation

PR64 - Prevalence and Use of CBCT in Endodontics

Thursday, April 26
10:00 AM - 1:00 PM
Room: Exhibit Hall

Objective: To understand implications of the 2016 American Association of Endodontists (AAE) and American Academy of Oral and Maxillofacial Radiology Joint Position Statement on the use of cone beam computed tomography (CBCT) on endodontic practice. An assessment of the current prevalence and perceived indications of this technology was undertaken. Methods: A 16-item survey was emailed to all active members of the AAE in March of 2017 inquiring about their use of CBCT. The data were collected and analyzed through descriptive and bivariate analyses using SAS 9.4 for Windows (alpha=0.05). Results: There were 1,175 respondents with a response rate of 23%. 79.9% (n=935) practice in the US, 28.7% (n=334) are Diplomates of the American Board of Endodontics, and 85.5% (n=1004) use CBCT in their practice. The mean time since graduation for those who use CBCT was significantly lower than those who do not (17.1±11.9 vs. 22.9±12.2 years; p<0.0001). 46.6% consult with radiologists, at least occasionally, for interpretation of CBCT images. 85.7% use small field of view imaging. CBCT is used most commonly for endodontic surgeries, followed by nonsurgical retreatments, followed by nonsurgical treatment and is rarely used for recalls. Of those that use CBCT, 83.5% believe their total treatment time was at least occasionally expedited while 80.6% believe that they were at least occasionally offering superior treatment. Conclusion: Use of CBCT imaging is common amongst endodontists, in particular those that are recent graduates and are board certified. Endodontists that use CBCT tend to believe it allows for expedited and superior treatment.

Ryan Teahen

Endodontic Resident
University of Iowa

Ryan Teahen completed his undergraduate education at the University of Iowa as well as his dental education. After two years of private practice Dr. Teahen returned to the University of Iowa for his endodontic residency.


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Anne Williamson

Endodontic Grad Program Director
University of Iowa

DDS, University of Nebraska, 1984. Certificate, General Practice Residency, University of Nebraska, 1989. Certificate, Endodontics, University of Iowa, 2003. MS, Oral Science, The University of Iowa, 2004. Diplomate, American Board of Endodontics


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Fang Qian

Associate Research Scientist
University of Iowa

M.A., City University of New York, Hunter College, 1989
M. Phil., City University of New York, Graduate Center, 1990
Ph.D., City University of New York, Graduate Center, 1994


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Fabricio Teixeira

Professor and Head, Department of Endodontics
University of Iowa

D.D.S., UGF - School of Dentistry (Rio de Janeiro, Brazil), 1993
AEGD, Unigranrio (Rio de Janeiro, Brazil), 1995
M.S.,Clinical Dentistry - Endodontics, State University of Campinas (Sao Paulo, Brazil), 1997
Ph.D., Oral Science - Endodontics, State University of Campinas (Sao Paulo, Brazil), 1999
Certificate, Endodontics, University of Texas Health Science Center (San Antonio, TX), 2009


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PR64 - Prevalence and Use of CBCT in Endodontics

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