Poster Presentation

Poster Presentation

PR98 - Evaluation of the Obturation Efficacy of Single Cone and Continuous Wave Condensation Technique

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

The quality of root canal obturation is often evaluated clinically using radiographic images to visualize obturation density and presence of radiolucent voids. A void represents a lack of three-dimensional replication of the root canal space with obturation material. The objective of this study is to compare the single-cone gutta-percha technique (SC) with the continuous wave of condensation technique (CWC) by evaluating the presence of voids in the mesial root canals of permanent mandibular molars. Twenty mandibular molars with fully developed roots containing 2 mesial canals were instrumented using rotary and hand files. Ten teeth were obturated using SC and 10 teeth were obturated using CWC techniques. The use of a high-powered microscope allowed for visual analysis of sealer adaptation to the root canal wall, sealer adaptation to the gutta-percha, the presence of voids, and additionally, when present, the fluidity of sealer and gutta-percha into fins, lateral canals, or isthmi. The data was analyzed by comparing the area of voids in apical and middle cross sections to the total area of the root canal. Based on similar studies, it is anticipated that CWC will be superior to the SC method by producing fewer voids and an overall better adaptation of gutta-percha and sealer to the root canal anatomy. The results of this study can be used to encourage dental professionals to perform CWC as the obturation technique of choice in the mesial canals of mandibular molars.

Sally R. Hays

Predoctoral Student
University of Texas at Houston

Sally Hays is a third-year dental student at the University of Texas School of Dentistry in Houston, Texas. She worked on this project with co-author Samantha Evans under the support of Dr. David Jaramillo.

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Samantha Evans

Predoctoral Student
University of Texas at Houston

Samantha Evans is a third-year dental student at the University of Texas School of Dentistry in Houston, Texas. She worked on this project with co-author Sally Hays under the support of Dr. David Jaramillo.

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David E. Jaramillo

Endodontics Research Mentor
University of Texas at Houston

David E. Jaramillo, DDS, is an associate professor in the Department of Endodontics at The University of Texas School of Dentistry at Houston. Dr. Jaramillo was in endodontic practice from 1990 to 2004 and started doing faculty practice in 2004 at the Oral Health Center, Loma Linda Endodontic and Loma Linda Faculty dental office. Dr. Jaramillo is a former clinical assistant professor of endodontics at the University of Southern California (USC) in Los Angeles. He was an associate professor at Loma Linda University School of Dentistry in California, where he served as clinic director of endodontics and endodontic course director for the International Dentist Program, and as a researcher at the Center for Dental Research.

Dr. Jaramillo actively participated under the direct supervision of Dr. William Costerton at USC School of Dentistry. Dr. Jaramillo learned the use of scanning electron microscopy and laser scanning microscopy and improved his knowledge in histological sectioning techniques. Dr. Jaramillo has published several scientific papers and one book chapter.

Dr. Jaramillo has authored and co-authored more than 25 peer-reviewed, published articles, 7 book chapters..

Dr. Jaramillo has spoken at endodontic meetings for The American Association of Endodontics, The European Society of Endodontics in Rome Italy. International Federation of Endodontic Association

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PR98 - Evaluation of the Obturation Efficacy of Single Cone and Continuous Wave Condensation Technique



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