Poster Presentation

Poster Presentation

PR58 - Resilon: Assessment of Degraded Filling Material in Non-Healed Cases

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

Introduction: In vitro studies have supported the anecdotal reports that show degradation of Resilon filling material. The aim of this study was to determine the clinical rate of Resilon degradation in non-healed endodontic cases. This information can help practitioners in treatment planning retreatment versus periapical microsurgery of Resilon filled teeth. Methods: Patients who had received non-surgical root canal treatment with Resilon or gutta-percha in the endodontics clinic at the University of North Carolina between 2004 and 2013, and needed a retreatment of the tooth, were eligible for inclusion. Upon access, the obturation material was recorded as degraded if there was a lack of solid dense material confirmed by passively placing a size 15 K file into the canal space to working length. Eighteen Resilon canals (RC) and eight gutta-percha canals (GPC) were included and a Fisher’s exact test was used to analyze the data. Results: Significantly more canals with degraded filling material were found in the RC (78%) than in the GPC (0%) (p<.0001). Conclusion: This clinical observational study indicates that Resilon has a significantly higher rate of degradation when compared to gutta-percha in non-healed cases.

Lesleigh A. Payne

Endodontic Resident
University of North Carolina

Dr. Lesleigh A. Payne began her education at the University of Florida, receiving her bachelor’s degree in microbiology and cell science. She continued her studies at Nova Southeastern University, where she obtained her DMD. After beginning her clinical courses, Lesleigh discovered her passion for Endodontics, leading her to Chapel Hill to seek her Masters in Endodontics at the University of North Carolina. Currently, she is in her third year of the residency. Upon graduation, she plans to join a private practice and become a Diplomate of the American Board of Endodontics.

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Ashraf F. Fouad

Professor and Chair of Endodontics
University of North Carolina

Dr. Fouad obtained his DDS, Certificate of Endodontics and MS at the University of Iowa. He served as Assistant then Associate Professor of Endodontology at the University of Connecticut Health Center from 1992 – 2004, and as Chair of the Department of Endodontics, Prosthodontics and Operative Dentistry at the University of Maryland, from 2005 – 2015. He has been Freedland Distinguished Professor and Chair of Endodontics at the University of North Carolina since 2016.
Dr. Fouad has published over 65 manuscripts, 20 textbook chapters, over 120 abstracts, and edited and co-authored the textbooks: Endodontic Microbiology (now in its second edition) and the fifth edition of Endodontics: Principles and Practice. He is a Diplomate and Past President of the American Board of Endodontics, and an Associate Editor of the Journal of Endodontics. He has lectured widely in the U.S. and internationally, and his research interests include: endodontic molecular microbiology, effectiveness of antibiotic therapy, dental pulp regeneration, endodontic treatment outcomes and the pathogenesis and healing of periapical lesions in the host with normal and compromised systemic health.

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Ceib Phillips

Professor and Assistant Dean for Advanced Education / Graduate Programs
University of North Carolina

My PhD was in Anatomy with a dissertation on the 3 dimensional quantification of the temporomandibular joint of primates. This project led me to realize my love of biostatistics. After joining the faculty at UNC-CH, I completed an MPH in Biostatistics from the School of Public Health at UNC-CH. Since that time, I have been the director of the biostatistics liaison program in the School of Dentistry that assists students and faculty with study design, analysis, and report writing. I was the principal investigator of NIH funded projects continuously from 1995 to 2015. My contribution to research has earned peer recognition in both orthodontics and oral and maxillofacial surgery. Current research interests focus on patient-centered outcomes following surgery.

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Harmeet Walia

Associate Professor

Dr. Walia received his dental degrees from the University of Bombay in India ( Bachelor of Dental Surgery[BDS in 1979 ] and Masters of Dental Surgery[MDS in 1982] ). He received a MS in Dental Materials (1984) and MS in Endodontics(1986) and DDS in 1994 from Marquette University, Wisconsin. He received his Board Certification from the American Association of Endodontists in 1991. Harmeet Walia had a long career in academia + PT practice (18 years) and full time practice for 12 years. He was awarded the Ralph Sommer award by the American Association of Endodontics in 2005,for the scientific paper that launched the Ni-Ti revolution. He has been in Endodontics as Chair and Program Director at Marquette University and Program director at University of Florida and Division chief at Medical University of South Carolina. His last appointment was with the University of Kentucky in Lexington before he joined UNC at Chapel Hill, as Adjunct Assoc Prof from July 1,2017

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Peter Tawil

Graduate Program Director of Endodontics, Clinical Assistant Professor
University of North Carolina

Dr. Peter Z. Tawil started out his education in Mechanical Engineering at McGill University. He continued his studies in Dentistry where he obtained his DMD at the Université de Montréal & his AEGD certificate at the University of Rochester. After discovering his passion for Endodontics, he completed his Masters in Endodontics at UNC in Chapel Hill. Upon completion of his studies, Dr. Tawil worked as a specialist in private practice for seven years in Québec & in North Carolina. He has several publications & a passion for Periapical Microsurgery. He's currently the Director for Graduate Endodontics at the University of North Carolina at Chapel Hill.

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