Poster Presentation

Poster Presentation

PR06 - A Comparative Analysis of the Adaptability of Two Different Sealers

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

Obturation of the root canal system plays an important role in the success of endodontic therapy. Root canal sealers are used to adhere and fill the irregularities between the core filling material and canal walls. New types of bioceramic sealers are available in the market. The aim of this study was to compare the adaptability to the dentinal wall, of a bioceramic sealer, Endosequence BC Sealer (Brasseler USA, Savannah, GA) with a traditional zinc-oxide and eugenol based sealer, Roth 801. Our hypothesis was that teeth obturated using Roth 801 (R) demonstrated less adaptability with the dentinal wall, when compared to the bioceramic sealer (BCS). Twenty freshly extracted lower premolars with similar canal anatomy, following standard instrumentation and warm vertical obturation, were divided in two groups. Group I: obturated with GP/BCS and Group II with GP/R. Following obturation, specimens were placed in a dessicator, sectioned at 3 and 5 mm from the working length, sputter-coated and all cross sections analyzed under scanning electron microscope. The adaptability of the GP/sealer was examined by measuring the interface between the core material/sealer and the dentinal wall. Results were analyzed using a t test for both 3 and 5 mm segments. A statistical significant difference was demonstrated at 5 mm with BCS when compared to Roth 801 (p<0.001). At the apical 3 mm there was no statistical difference between both sealers. In conclusion, BCS demonstrated a better adaptability with the dentinal wall at 5 mm when compared to the Roth 801 sealer.

Steven B. Miller

Steven B Miller DDS
University of Florida

I am currently a second year endodontic resident at the University of Florida College of Dentistry. My plan after graduation is to go back to my home state of Oklahoma and work in private practice.

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Long Nguyen

Dental Student

Currently a dental student at the University of Florida College of Dentistry in Gainesville. He is involved in research and is interested in applying to endodontics as a specialty

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Eleonora Bakiri

Clinical Professor
University of Florida

Clinical Assistant Professor in the Department of Endodontics at University of Florida, Gainesville. Involved with the predoctoral teaching, research and intramural Faculty Practice. Worked in private practice for 15 years in Athens, Greece.

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Marianella Natera-Fernandez

Clinical Assistant Professor, Director of Pre-doctoral Endodontics.
University of Florida

Dr. Marianella Natera-Fernandez is a Clinical Assistant Professor in the Department of Endodontics and is the Director of Predoctoral Endodontics. Dr. Natera-Fernandez previously served as an assistant professor at Rutgers University where she received her Master’s Degree in Endodontics and taught both undergrad and post-graduate endodontic students. She received her first dental degree at the Universidad de Los Andes in Merida, Venezuela in 1995 and then enjoyed 12 years in private practice as a general dentist, with a simultaneous part-time faculty teaching assignment at Universidad Santa Maria for 7 years. Dr. Natera-Fernandez completed a fellowship in Endodontics here at the University of Florida in 2009 and was excited to return to UF in 2017 helping to lead Endogators to Academic Excellence!

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Kimberly Sibille

Associate Professor

Associate Professor at the College of Medicine at University of Florida and College of Dentistry at University of Florida Gainesville. She teaches research methodology for the advanced education residents at the College of Dentistry

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Roberta Pileggi

Chair and Program Director of the Department of Endodontics at University of Florida, Associate Dean of Advanced and Graduate Education, AAE Board of Director for District II
University of Florida

Chair and Program Director, Associate Dean of the Department of Advanced and Graduate Education, District III Board Director, Coda consultant, Director of the School of Advanced Dental Sciences at University of Florida, College of Dentistry.

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