Poster Presentation

Poster Presentation

PR53 - The Evaluation of Pulp Floor Morphology and Root Configuration in Carious and Non-Carious Maxillary and Mandibular Molars Using Cone Beam Computed Tomography Scans

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

A landmark study visually analyzed extracted teeth to describe the anatomy of the pulp chamber floor at the level of the cemento-enamel junction (CEJ). Other morphological studies of permanent, caries-free, human molar teeth used cone beam computed tomography (CBCT) scans to describe the pulp chamber floor and the locations of root canal orifices. These studies documented commonalities in the locations of root canal orifices, but few studies have investigated the anatomy of the pulp chamber floor in permanent, human molars with carious lesions. Pulp chamber morphologies are affected by various factors, including caries. Calcification is a common morphological change and may mask the original pulp floor anatomy, leading to missed root canals during endodontic therapy—a common cause of treatment failure. The present study will describe the location of the root canal orifices in carious and caries-free molars and identify if the carious disease process statistically affects the anatomic location of root canal orifices. Morphologic measurements of maxillary and mandibular molars will be recorded using a data set of CBCT images taken between September 2016 to September 2017 in the NYU College of Dentistry Cone Beam CT Imaging Service within the Department of Endodontics. The number of cases included will be determined after performing power analysis to be able to predict with a 95% confidence interval if the variables we are examining are factors of demographic variables (age, sex). As many as 200 maxillary and mandibular molars will be screened. 

Jason Fisher

Endodontic Resident
New York University College of Dentistry

Jason is a first year endodontic resident at New York University. He received his DDS degree from Columbia University in 2015 and completed a general practice residency at Northwell Health in Long Island, NY in 2016.

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Abdulmajeed S. Alshahrani

Endodontic Resident
New York University College of Dentistry

Dr. Abdulmajeed S. Alshahrani is a first year endodontic resident at NYU college of Dentistry. He received his BDS Degree in 2012 followed by a one-year comprehensive residency program from King Khalid University college of Dentistry, Saudi Arabia. He then went on to work as a demonstrator in the Endodontic department at Najran University, college of dentistry, Saudi Arabia until he was accepted in to NYU’s Endodontic Program for International Dentists for one year graduating in 2015. Then he joined a Master of clinical research program in NYU College of Dentistry and graduated at the end of 2016 where he became proficient in CBCT use and investigated human root canal morphology. Currently, Dr. Alshahrani’s primary research focus is endodontic and orofacial pain although he is using his expertise in biomaterials to study root fractures.

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Katsushi Okazaki

Clinical Assistant Professor Endodontics
New York University College of Dentistry

Certificate, Endodontics, New York University College of Dentistry 2012
Certificate, International Endodontics, New York University College of Dentistry 2010
PhD, Anatomy, Aichi Medical University, Japan 2002
DDS, Dentistry, Aichigakuin University, Japan 1987

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Matthew Malek

PG Endo Program Director and Clinical Assistant Professor
New York University College of Dentistry

Doctor of Dental Surgery (DDS), Dentistry, NYU College of Dentistry, 2009
Certificate, Endodontics, NYU College of Dentistry, 2011 Diplomate, American Board of Endodontics Academy of Distinguished Educators Award, 2014

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PR53 - The Evaluation of Pulp Floor Morphology and Root Configuration in Carious and Non-Carious Maxillary and Mandibular Molars Using Cone Beam Computed Tomography Scans



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