Webinars > Stem Cell, What Does That Mean to Endodontists in their Daily Practice?
CDE Credits: 2.00 Teaching Methods: Lecture; Live Online or Self-Instructional Video Length: 2 hours
PDL is an ADA CERP recognized provider. PDL designates this activity for 2.00 hours continuing dental education credit.
Webinar Title: Stem Cell, What Does That Mean to Endodontists in their Daily Practice?
Presenter: Dr. George Huang
Date Recorded: July 29, 2017
Duration: 2 hours
CDE Credits: 2.00 CDE credits will be issued by Pure Dental Learning
Stem cells have been a fascinating cell type for the public and medical professionals because they possess the potential to regenerate tissues and cure diseases. We as dentists and/or endodontists need to have a good background knowledge in this field in order to better correlating such knowledge to our clinical practice as well as to educating the public.
Regeneration of pulp was under the radar screen in the field of endodontics due to the lack of understanding of tissue engineering concept and dental stem cells were yet to be isolated before 1990s. As the rapid advancement in the fields of modern tissue engineering and stem cell biology, pulp tissue regeneration has also been rigorously investigated. In fact, beginning from the late 2000s, pulp tissue regeneration with a layer of newly formed osteodentin on the root canal walls has been demonstrated tested in small and large animal models. Using stem cells isolated from pulp tissue, complete pulp regeneration can take place in emptied root canal space. Additionally, clinical trials have been conducted in Japan showing that it is safe to use isolated stem cells for pulp regeneration. Regenerative endodontic protocol has also been proposed and available at the AAE website to give guidance for dentists and endodontists when treating immature teeth with regenerative procedures.
In this lecture, we will first review the background of stem cells in general, their research progress and clinical applications. Significant emphasis will be on the dental stem cells, their location in dental tissues and how much we know about them. For example, what happens to these stem cells in the pulp when pulp is irritated and inflamed, or when pulp is exposed? There are also stem cells in the periodontal ligament and even the granuloma at the apxe of infected teeth. How would these stem cells respond to the treatments and what are their roles in the repair and regeneration of the dental tissues after treatment?
We will also mention our recent progress on the pulp regeneration research and the challenges. For example, originally pulp regeneration treatment was considered only suited for immature permanent anterior teeth, but now the expectation is to expand to all teeth. For such high goals, we have to overcome new challenges: i) disinfection efficiency, ii) blood supply during regeneration, and iii) quality of the regenerated pulp and dentin. Most teeth that require pulp regeneration are infected to various degrees. Improved disinfection technologies and protocols must be developed. To regenerate pulp in the long and narrow canal of mature teeth, timely formation of vascularity must take place in order to allow inserted stem cells to form tissues. Additionally, the newly formed osteodentin along the canal wall of the regenerated pulp are dissimilar to the original dentin lacking organized dentinal tubules. New strategies must be searched in order to regenerate dentin similar to real dentin not only having organized tubules but also having the same physical strength. To overcome these challenges and to accomplish these goals, in vitro and in vivo study models are needed. Particularly, animal study models for in vivo studies are very important to test new ideas, concepts and technologies.
At conclusion, participants should be able to:
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Dr. George Huang, DDS, MSD, DSc
19 S. Manassas St. Lab Rm 255, office 256
Memphis, Tennessee 38163, United States
Dr. Huang is a board certified endodontist, currently Professor and Director for Stem Cells and Regenerative Therapies, Department of Bioscience Research at UTHSC, College of Dentistry. He is the former Chair/Herbert Schilder Professor in Endodontics, at Boston University, also a former Chair in Endodontics at Columbia University. Dr. Huang has published more than 170 research articles, abstracts, review articles, including papers in Stem Cells, Stem Cells and Development, Stem Cell Research and Therapy, Tissue Engineering, Regenerative Medicine, Infection and Immunity, Human Gene Therapy, Journal of Dental Research, Journal of Endodontics, etc; book chapters in books such as Ingle’s Endodontics, Cohen’s Pathways of the Pulp, Endodontic Microbiology, Principles of Regenerative Medicine, Tissue Engineering and Regenerative Dentistry, Tissue-Specific Stem Cell Niche, Material-Tissue Interfacial Phenomena, etc; and co-edited with Dr. Irma Thesleff and wrote chapters for the text book “Stem cells, craniofacial development and regeneration”, in 2013, published by Wiley-Blackwell. His research has been funded by various sources including NIH and AAE Foundation. His current research interest is in the area of stem cells and regenerative medicine. He is the recipient of the 2015 IADR Distinguished Scientist Award in Pulp Biology and Regeneration.
Original Release Date: July 29, 2017
Review Date: TBD
*Expiration Date: July 29, 2020
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