Dr. Cohenca

Contact Information

Dr. Cohenca

Nestor Cohenca, DDS

Phone: 206.543.5044
cohenca@uw.edu

Professor, Department of Endodontics
Adjunct Professor, Department of Pediatric Dentistry

Background

Dr. Cohenca received his dental degree from the National University of Asuncion, Paraguay.  In 1994, he completed the endodontic program at the Hebrew University in Jerusalem cum laude and received the Ino Sciaky Best Graduate Student Award.  He then served 11 years on faculty at the school while maintaining a private practice limited to endodontics.  He is a diplomate of and was an examiner for the Israel Board of Endodontics and past-president of the Israel Endodontic Society.  From 2003 to 2005 he served as a clinical assistant professor and coordinator of Trauma and Sports Dentistry at University of Southern California.  Thereafter, Dr. Cohenca joined the University of Washington where he completed his endodontic certificate in 2008 and is currently an Associate Professor while maintaining a private practice limited to Endodontics in Redmond, WA.  In 2010, Dr. Cohenca became a Diplomate of the American Board of Endodontics and received an honorary membership to Omicron Kappa Upsilon National Dental Honor Society. As a full-time faculty member, he is active in research, teaching and lectures both national and internationally.  He has published more than 45 peer-reviewed articles and serves as Associate Editor of the Dental Traumatology Journal and Board Director of the International Association of Dental Traumatology. Dr. Cohenca was one of the pioneers in the use of Cone Beam Computed Tomography in Endodontics and is considered one of the experts on this field. He is also an Adjunct Professor of Pediatric Dentistry with a strong background in Dental Traumatology and Endo-Pedo related topics. Dr Cohenca is fluent in Spanish, Portuguese and Hebrew.

Research Interests

dental trauma and related subjects

Recent Publications

  1. Paranjpe A, de Gregorio C, Gonzalez AM, Gomez A, Silva Herzog D, Aragon Piña A, Cohenca N. Efficacy of the Self Adjusting File (SAF) system on cleaning and shaping oval-shaped canals. Part 2: A microbiology and microscopic evaluation. J Endod. Accepted for publication.
  2. de Gregorio C, Paranjpe A, García Vargas A, Navarrete Marabini N, Estevez R, Oltra Esplugues E, Cohenca N. Efficacy of the Self Adjusting File (SAF) system on cleaning and shaping oval-shaped canals. Part 1: Penetration of sodium hypochlorite to working length and to simulated lateral canals. J Endod. Submitted for publication.
  3. Valencia de Pablo, O, Estevez R, Heilborn C, Cohenca N.  Root anatomy and canal configuration of the permanent mandibular first molar. Clinical implications. Quintessence Int. Accepted for publication. In press.
  4. Gatten D, Riedy C, Song J, Johnson JD, Cohenca N. Quality of life of endodontically treated versus implant treated patients.  A university-based qualitative research study. J Endod 2011;37:903–909.
  5. Heilborn C, Valencia de Pablo, O, Estevez R, Cohenca N.  Root canal anatomy of the permanent mandibular first molar. How complicated really is? Clinical implications and recommendations. Roots 2011;7:10-13.
  6. Wiseman A, Cox T, Paranjpe A, Flake N, Cohenca N, Johnson JD. (2011). Efficacy of sonic and ultrasonic activation for removal of calcium hydroxide from mesial canals of mandibular molars: a micro-tomographic study. J Endod 2011;37:235–238.
  7. Valencia de Pablo O, Estevez R, Heilborn C, Cohenca N. (2010) Root anatomy and canal configuration of the permanent mandibular first molar: A Systematic Review. J Endod 2010;36:1919-1931.
  8. Heilborn C, Reynolds K, Johnson JD, Cohenca N. (2010) Cleaning efficacy of the Endo-Vac negative pressure irrigation system at different exposure times. Quintessence Int 2010;41:759-67.
  9. de Gregorio C, Estevez R, Cisneros R, Paranjpe A, Cohenca N. (2010) Efficacy of different irrigation and activation systems on the penetration of sodium hypochlorite into simulated lateral canals and up to working length.  An in vitro study. J Endod 2010;36:1216–1221.
  10. da Silva Bezerra AL, Nelson-Filho P, da Silva AR, Herzog-Silva D, Heilborn C, Johnson JD , Cohenca N. (2010) Revascularization and periapical repair after endodontic treatment using apical negative pressure irrigation versus conventional irrigation plus triantibiotic intracanal dressing in dogs’ teeth with apical periodontitis. Oral Surg Oral Med Oral Pathol Oral Radiol Endod. 2010 May;109(5):779-87.
  11. Brunson M, Heilborn C, Johnson JD, Cohenca N. (2010)  The effect of apical preparation size and taper on irrigant delivery using the EndoVac negative pressure irrigation system. J Endod. 2010 Apr;36(4):721-4.
  12. Cohenca N, Heilborn C, Johnson JD, Herzog-Silva D, da Silva Bezerra AL. (2010). Effect of apical negative pressure irrigation and tri-antibiotic intracanal medication on root canal disinfection in immature dog’s teeth with apical periodontitis. Oral Surg Oral Med Oral Pathol Oral Radiol Endod 2010;109:e42-e46.

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