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Nestor Cohenca, D.D.S.

Biography

Dr. Cohenca completed the endodontic program at the Hebrew University in Jerusalem cum laude and received the Best Graduate Student Award. He then served 11 years on faculty at the school while maintaining a private practice limited to endodontics. 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 served as Tenured Professor of Endodontics and Pediatric Dentistry from 2005-2014. He served as Director of Endodontics and the Multidisciplinary Traumatology Unit at the School of Dentistry, the Center for Pediatric Dentistry, and Seattle Children’s Hospital. Currently he serves as Affiliate Professor at the University of Washington, Professor at Seattle Children’s hospital and maintains a private practice limited to Endodontics in Seattle and Kirkland, WA. He is a Diplomate of the Israel Board of Endodontics and the American Board of Endodontics. Dr. Cohenca is a Fellow of the IADT and received an honorary membership to Omicron Kappa Upsilon National Dental Honor Society. He has published more than 80 peer-reviewed articles, 10 chapters and a new book entitled “Disinfection of Root Canal Systems: The Treatment of Apical Periodontitis”. Cohenca currently serves as President of the International Association of Dental Traumatology. Dr. Cohenca provided more than 200 lectures around the world and is well known as one of the experts in dental traumatology, Endo-Pedo related topics, vital pulp therapy, CBCT and root canal disinfection.

Contact information

16633 NE 40th CT
Redmond, WA 98052
Phone: 425-737-9016
Email: nestorendo@gmail.com, cohenca@uw.edu
Web: www.nestorcohenca.com, www.lakesideendodontics.com

Available Sessions

  • Cone-Beam-Computed Tomography in Endodontics. Time to Change Strategy!
    Topic: Imaging
    Learning Objectives:

    1. Explainthe concept of balancing radiation doses with obtaining the most clinically useful information for patient diagnosis.
    2. Explain the limitations of CBCT imaging for interpreting endodontically, and non-endodontically related pathoses.
    3. Describe the importance of identifying the etiologic factors related to endodontic failures.

    Endodontic therapy depends on diagnostic radiographs and image-guided treatment. Cone beam computed tomography (CBCT) is gaining increasing popularity as part of the diagnosis, armamentarium in many areas of dentistry, including endodontics. In only a short time, an evidence base has emerged in the literature for the application of this technology, although the evidence base is stronger for some applications than for others. By providing a 3-D representation of the maxillofacial tissues in a cost- and dose-efficient manner, a better preoperative assessment can be obtained for diagnosis and treatment planning which are paramount to perfecting clinical judgments and outcomes. This session will discuss the merits of a subset of then many potential applications of cone beam CT (CBCT) imaging in endodontics.

    Three- to six-hour lecture.

  • Root canal disinfection
    Topic: Nonsurgical Endodontic Treatment & Retreatment
    Learning Objectives:

    1. Explain the microbiological and anatomical challenges that play a critical role in our ability to obtain disinfection.
    2. Review all the classic and contemporary techniques, instruments and materials we have to overcome those challenges and achieve predictable and save disinfection.
    3. Discuss the importance of infection control, to increase endodontic outcome.

    During the last decade, great emphasis has been placed on the increased ability to clean and shape canals with the newly developed nickel-titanium rotary files. However, even with these advancements, the outcome of root canal therapy remained unchanged mainly because the new files cannot predictably eliminate the microbial contamination within the complex anatomy of root canal systems. For immature teeth with apical periodontitis the challenge is even greater affecting the long-term treatment outcome. The efficacy, safety and predictability of root canal disinfection will be thoroughly discussed with evidence-based research. At conclusion, participants should be able to understand new concepts of canal irrigation and achieve predictable disinfection of the root canal systems.

    Three- to five-hour lecture.

  • Root Resorption: Prevention, Diagnosis and Current Treatment Modalities
    Topic: Resorption

    Root resorption remains a clinical challenge with regard to diagnosis, treatment and prognosis. Root resorption is classified based on location, etiology and pathogenesis. Treatment is complex, time consuming, expensive and requires multidisciplinary approaches including endodontic and periodontal treatments, surgery, orthodontics and esthetic coronal restoration. During this presentation, the diagnosis, treatment and prognosis of the different types of root resorption will be thoroughly discussed and illustrated in light of new treatment modalities.

    Three- to five-hour lecture.

  • Focused Field Cone Beam Computed Tomography in Endodontics. Time to change strategy!
    Topic: Imaging
    Learning Objectives:
    • Describe clinical applications of CBCT in the endodontic practice.
    • Review the potential benefit of CBCT technology for diagnosis and treatment plan.
    • Discuss the impact on treatment outcome and improved predictability.

    Endodontic therapy depends on diagnostic radiographs and image-guided treatment. Focused Field Cone Beam Computed Tomography (CBCT) is a new technology that produces a three-dimensional digital image at a reduced cost and radiation for the patient comparing to any other 3-D imaging system. It is designed to allow for high resolution imaging of the hard tissues of the maxillofacial region with a faster and easier image acquisition. By providing a 3-D representation of the maxillo-facial tissues in a cost and dose efficient manner, a better preoperative assessment can be obtained for diagnosis and treatment; thus, increasing the outcome of the therapy and avoiding further complications. This lecture will thoroughly illustrate and review clinical application of Focused Field CBCT technology for the endodontic practice.

    one-to-two-hour lecture.

  • Treatment of immature teeth with pulp necrosis and apical periodontitis. Revascularization of MTA Apexification? (
    Topic: Regenerative Endodontics
    Learning Objectives:

    1.Describe the clinical and biological challenges of immature teeth with pulp necrosis.
    2. Review the concept of pulp revascularization for treatment of immature teeth with necrotic pulps
    3.Develop the most predictable treatment plan for immature teeth with necrotic pulps to obtain a positive outcome.

    Immature teeth with necrotic pulps and apical periodontitis present a clinical challenge due to the presence of short undeveloped root structures, thin dentinal walls, and wide-open foramens. In addition, disinfection and obturation of the root canal system is risky and unpredictable, affecting the long-term treatment outcome. While MTA apexification remains a great treatment option for immature necrotic teeth, particularly for cases with advanced root development, pulp revascularization exploits the full potential for tissue ingrowth toward dentin-like tissue deposition and stronger roots able to withstand fracture, mainly on teeth with poor maturation. This presentation will review the current evidence-based research for vital and non-vital therapy for the young permanent dentition and illustrate the importance of case selection to obtain positive outcome.

    one-to-three-hour lecture.

  • Multidisciplinary Approach for Diagnosis, Treatment and Prevention of Dental Trauma
    Topic: Traumatic Injuries Diagnosis & Treatment
    Learning Objectives:
    • Implement the most recent, state-of-the-art diagnostic and treatment modalities.
    • Describe current evidence-based therapeutic guidelines for dental trauma and root resorption.
    • Develop effective strategies for preservation and augmentation of alveolar ridge augmentation toward final prosthetic rehabilitation.

    The management of dental trauma remains a significant clinical challenge affecting health-care providers and patients alike. Falls, accidents and sport related injuries are the most frequent causes of dental trauma, with maxillary centrals being the most commonly injured teeth. Overall, the estimated prevalence of injuries among children is 30%. Patients can present with a wide variety of injuries ranging from crown or root fractures, to injuries to the supporting periodontal structure, including luxations and avulsions. Treatment is often complex, time consuming, expensive and requires multidisciplinary approaches such as endodontic and periodontal treatments, surgery, orthodontic movements as well as esthetic coronal restoration. This course aims to all oral health care providers, including general dentists, specialists, hygienists and staff members. New approaches for prevention, diagnosis and treatment of traumatized teeth will be thoroughly discussed and illustrated using advanced 3D technology for diagnosis and treatment planning.

    Dental Trauma is broad and extensive. Presentations may range from a 60 min lecture focused on a specific topic or a 1 – 2 days comprehensive course.

Disclosure

Dr. Cohenca has no proprietary, financial and/or personal interest pertaining to his presentation to disclose.

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