SP-13 Disinfection of Root Canal System and Tissue Regeneration and SP-15 Regenerative Endodontic Procedures for Mature Teeth with Necrotic Pulps and Teeth with Endodontic Treatment Failure

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CE Credit: 1.0

SP-13 Disinfection of Root Canal System and Tissue Regeneration

Endodontic regeneration approaches require complete removal of pathogenic bacteria from the complex root canal microenvironment, suitable for tissue regrowth and cell attachment. Literature indicates that conventional protocols of root canal instrumentation and chemomechanical debridement cannot completely eradicate the pathogens, which may cause treatment failures. Multisonic disinfection technology utilizing the GentleWave™ system has been demonstrated to achieve exceptional cleansing of the root canal systems irrespective of the complex microanatomy, thereby providing the environment permission for the mesenchymal stem cells to attach and proliferate. The lecture will provide a comparative study of disinfection of the root canal system using the conventional protocols and the multisonic approaches, and will provide insight on the use of this novel technology for pulp regeneration therapies.

At the conclusion, participants should be able to:

  •  Evaluate the use of this novel technology for pulp regeneration therapies.
  •  Evaluate the disinfection efficiency of the GentleWave™ system in root canals.
  •  Evaluate the use of this novel technology for pulp regeneration therapies.

SP-15 Regenerative Endodontic Procedures for Mature Teeth with Necrotic Pulps and Teeth with Endodontic Treatment Failure

Regenerative endodontic procedures (REP) are usually used to treat immature teeth with necrotic pulps. The treatment can result in elimination of clinical signs/symptoms and resolution of apical periodontitis, and in some cases, thickening of the canal walls and/or continued root development. Recently, REP has been employed to treat mature teeth with necrotic pulps. The concept of using REP to treat mature teeth with necrotic pulps is based on the restoration of tissue vitality in the canal and resolution of apical periodontitis. Vital tissue is inherited with innate and adaptive immune defense mechanisms to protect itself from foreign invaders such as bacteria. Provoked bleeding from the periapical tissues brings, besides mesenchymal stem cells, bioactive growth factors and fibrin scaffold, and also the humoral (complement components, immunoglobulins, antimicrobial peptides) and cellular (polymorphonuclear leukocytes, macrophages) components of immune defense system into the disinfected canal to kill residual bacteria, and promotes wound healing in the canal. Therefore, it may be preferable to fill the disinfected canal with the host's vital tissue rather than with nonvital foreign materials.

At the conclusion, participants should be able to:

  •  Describe the primary goal of regenerative procedures, according to the AAE Clinical Considerations for a Regenerative Procedure.
  •  Define that inducing periapical bleeding brings not only mesenchymal stem cells, growth factors and fibrin scaffold but also components of innate and adaptive immune defense system into the canal to kill residual bacteria.
  •  Discuss that regenerative procedures have the potential to be used to treat mature teeth with necrotic pulps and teeth with endodontic treatment failure.

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Disinfection of Root Canal System and Tissue Regeneration
MP3 Audio
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Open to listen to or download MP3 audio.
Presentation
Open to view video.
Evaluation
7 Questions
CE Test
7 Questions  |  Unlimited attempts  |  5/7 points to pass
7 Questions  |  Unlimited attempts  |  5/7 points to pass
Regenerative Endodontic Procedures for Mature Teeth with Necrotic Pulps and Teeth with Endodontic Treatment Failure
MP3 Audio
Open to listen to or download MP3 audio.
Open to listen to or download MP3 audio.
Presentation
Open to view video.
Evaluation
7 Questions
CE Test
5 Questions  |  Unlimited attempts  |  4/5 points to pass
5 Questions  |  Unlimited attempts  |  4/5 points to pass
Certificate
1.00 CE credit  |  Certificate available
1.00 CE credit  |  Certificate available

Yangpei Cao, M.S., D.D.S.

Yangpei Cao, M.S., D.D.S. is the assistant clinical professor of the Section of Endodontics and the Division of Constitutive & Regenerative Sciences at the UCLA School of Dentistry. SHe joined the dental school faculty in November of 2015. Her current focus of research is the development of new root canal disinfection systems in the filed of regenerative endodontics.

Louis M. Lin, B.D.S., D.MD, PhD

Education: 1964, B.D.S (Bachelor of Dental Science), School of Dentistry, Chung Shan Medical University, Taiwan. 1972, Ph.D. (Pathology), University of Oklahoma Medical Center, Oklahoma city, Oklahoma, USA. 1976, D.M.D (Doctor of Dental Medicine), School of Dental Medicine, Rutgers University. Newark, New Jersey, USA. Postgraduate Education: 1969, Certificate in Oral Surgery, Faculty of Medicine, Tokyo University Hospital, Tokyo, Japan. 1974, Certificate in Oral Pathology, School of Dentistry, Louisiana State University Medical Center, New Orleans, Louisiana, USA. 1979, Certificate in Endodontics, School of Dental Medicine, University of Connecticut Health Center, Farmington, Connecticut, USA. Academic appointments Professor of Department of Endodontics, New York University College of Dentistry. Postgraduate Endodontic Program Director, New York University College of Dentistry. Chairman and Director of Postgraduate Endodontic Program, Section of Enddontics, University of California at Los Angeles School of Dentistry. Chairman and Director of Postgraduate Endodontic Program, Department of Endodontics, Rutgers University School of Dental Medicine. Publications 15 book chapters. More than 95 peer-reviewed publications. Editor-in-chief of 2 journals. Editorial Board members of 15 journals.

Yangpei Cao, M.S., D.D.S.

Disclosure: I declare that I have no proprietary, financial, or other personal interest of any nature or kind in any product, service, course, and/or company, or in any firm beneficially associated therewith, that will be discussed or considered during the proposed presentation.

Louis M. Lin, B.D.S., D.MD, PhD  

Disclosure: I declare that I have no proprietary, financial, or other personal interest of any nature or kind in any product, service, course, and/or company, or in any firm beneficially associated therewith, that will be discussed or considered during the proposed presentation.