Gutta-percha

Gutta-percha

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  • SP-31 Can Calcium Silicate-based Sealer Cases Be Retreated? Evidence-based Solutions for Retreatment of Cases Containing a Calcium Silicate-based Sealer
    Includes Credits

    CE Hours: 0.75

    Description: A growing number of practitioners use calcium silicate-based sealers in root canal therapy. If the primary treatment has failed, non-surgical retreatment is considered the primary treatment option. However, the retreatability of cases incorporating a calcium silicate-based sealer is debatable as a specific, clinically acceptable solvent has yet to be developed. There are also few outcome studies concerning retreating these cases. This presentation will critically review the current studies addressing retreatment and retreatability of cases incorporating a calcium silicate-based sealer, and discuss methods to retrieve calcium silicate based-sealers combined with gutta-percha cones using different solutions, solvents, primary rotary files, retreatment designed files, heat-treated or non-heat-treated files, ultrasonic or sonic irrigation, in both straight or curved canals exhibiting short, flush with the apex, or overextended obturation.

    Learning Objectives:  

    • Compare the efficacies of different solvents/irrigants and ultrasonic/sonic irrigation for retreatment cases incorporating a calcium silicate-based sealer
    • Evaluate the efficacies of different rotary files for retreatment cases incorporating a calcium-silicate sealer
    • Design specific retreatment strategies for clinical scenarios involving straight or curved canals, and patent or non-patent canal cases

    Ji Wook Jeong, D.M.D., M.S.D.

    Dr. Ji Wook Jeong earned a dental degree (DMD) at Kyunghee University in Seoul, South Korea, in 2001. He had practiced as general dentist for 13 years in Seoul. During his general practice, he earned a credential associate fellowship from American Academy of Implant Dentistry (AAID) in 2008. He also served as an instructor and mentor of the Korea MaxiCourse® of AAID from 2008 to 2012. In addition, he graduated from the advanced program of Endodontics in the University of Texas Health Science Center (UTHSC) at Houston, School of Dentistry in 2017 where he earned a postgraduate degree (MSD) and the certificate of the specialty of Endodontics. He has been working as a full-time faculty at UTHSC at Houston since he graduated from the program. He is interested in secondary endodontic treatment as micro-endodontic surgery and retreatment. He had multiple international lectures on micro-endodontic surgery, including “Live surgery”. Also, he authored multiple peer-reviewed articles. He is an active member of the Scientific Advisory Board of Journal of Endodontics, American Academy of Endodontists, and a board-certified endodontist of the American Board of Endodontics.

  • SP-35 Past, Present and Future: A Look at the Evolution of our Specialty and What the Future Holds

    CE: 0

    Course Description: 

    A short introduction to "level of evidence in endodontic research" will be given. The lecture will continue with a description of the building blocks for success in endodontic treatment, and how these have changed (or not!) during the decades. We will then look at the “endodontic triad” as a disease/treatment model and how the three arms are related. An identification of how legacy protocols came out of the then available technology will be discussed with an emphasis on the continued evolution of debridement technology and how it has impacted the other arms of the triad and challenges our ideas around obturation. The use of new sealers that effectively seal in large film thicknesses, the concept of gutta percha points used as a condenser rather than an obturation material, and a review of the need for vertical condensation will also be evaluated along with whether obturation will really be necessary in the future.

    At the conclusion, participants should be able to:

    • Describe the inter-relation of the classic endodontic triad arms and how changing one will influences the others.
    • Discuss what near-term treatment protocol changes are possible and how they may simplify endodontic treatment.
    • Evaluate whether or not the protocol changes that are possible today are more effective.

    Markus Haapasalo DDDS, Phd, FRCDC(Endod.)

    Dr. Markus Haapasalo is the professor and chair of the Division of Endodontics at University of British Columbia, Vancouver, Canada. He is the former head of the Department of Oral Biological and Medical Sciences. He is a member of Royal College of Dentists of Canada (Endodontics) and an associate member of AAE. Dr. Haapasalo is a member of the editorial board of the International Endodontic Journal and the Scientific Advisory Board of Journal of Endodontics. In endodontics, his areas of special interest include instrumentation, biofilms, irrigation, persistent infections and resorptions. In addition, Dr. Haapasalo has received several teaching and research awards and is an eminent speaker at numerous international conferences.

    Markus Haapasalo, D.D.S., PhD

    I declare I have a past or present proprietary or relevant financial relationship or receive gifts in kind (including soft intangible remuneration), consulting position or affiliation, or other personal interest of any nature or kind in any product, service, course and/or company, or in any firm beneficially associated therewith, as indicated: Brasseler () : Grant/Research Support; Dentsply Maillefer () : Honorarium; Dentsply Tulsa () : Grant/Research Support, Honorarium, Royalties; FKG Dentaire, Switzerland () : Honorarium; Henry Schein, Sybron Endo () : Honorarium; Sonendo Inc. () : Consultant, Material support, Other Financial or Material Support, Stockholder/Ownership Interest (excluding diversified mutual funds); sybronendo () : Grant/Research Support; Vista dental () : Grant/Research Support