TATIANA MA. BOTERO D., DDS, MS Diplomate American Association of Endodontics Clinical Professor Cariology, Restorative Sciences and Endodontics Department School of Dentistry, University of Michigan Dr. Botero received her dental degree from CES University in Medelli­n, Colombia. She then completed specialty training in Endodontics at Pontificia Universidad Javeriana in Bogotá, Colombia, and went on to earn an advanced Specialty Certificate in Endodontics from the University of Michigan. Dr. Botero began her academic career as a Clinical Assistant Professor at CES University, alongside managing her private practice in Colombia. In 2001, she joined the University of Michigan, where she is currently a full-time Clinical Professor, teaching Endodontics to both undergraduate and graduate students. She served as director of the dental postgraduate fellowship program in Endodontics from 2017 to 2022, and continues to practice Endodontics at a private dental clinic in Michigan. In 2012, Dr. Botero became a Diplomate of the American Board of Endodontics. She joined the Regenerative Endodontic Committee of the American Association of Endodontists in 2013, served as chair from 2014 to 2020, and resumed that role for 2024-2025. She was also president of the Pulp Biology and Regeneration Group (2016-2017) of both the American Association for Dental Research and the International Association for Dental Research. Dr. Botero has authored and co-authored numerous peer-reviewed scientific articles and book chapters.

Dr. Bottino is the Robert W. Browne Endowed Professor of Dentistry in the Department of Cariology, Restorative Sciences, and Endodontics (CRSE) at the University of Michigan School of Dentistry (U-M). He is currently the Director of Research in CRSE and the Director of the Postgraduate Program in Regenerative Dentistry at U-M. As a principal investigator, Marco has received research grants related to regenerative medicine from the National Institutes of Health (NIH), foundations, and private industry. He has received the International Association for Dental Research (IADR) Centennial Emerging Leader Award and was the recipient of Young Investigator Awards from the IADR Pulp Biology and Implantology Research Groups and a prestigious Mentored Clinical Scientist Research Career Development Award from the National Institute for Dental and Craniofacial Research at NIH. He also serves as the reviewer for more than 30 journals in regenerative medicine and biomaterials, and, between 2018 and 2023, served as a standing member of the Musculoskeletal and Tissue Engineering (MTE) study section for the NIH. Marco is an elected Fellow of the Academy of Dental Materials (ADM) and a board member. The present study was conducted under Dr. Bottino's surveillance.

Najia Usman, DDS Dr. Najia Usman graduated from SUNY Buffalo in 1995 with her DDS. After completing a one-year general practice residency at the Cleveland Clinic she furthered her interest in endodontics by completing a two-year endodontic residency at Oregon Health and Sciences University, Portland, Oregon in 2002. She was awarded her Diplomate Status by the American Board of Endodontics in 2009. Dr. Usman has been in private practice since 2002. Though she practices full-scope endodontics, she has cultivated an interest in the endodontic management in trauma, pediatrics and resorptive lesions. She has organized and lectured in dental trauma symposiums. She has lectured and clinically taught dental students, endodontic and pediatric residents. She has lectured nationally and locally to study clubs on topics such as Endo-Perio, Atypical Facial Pain, Regenerative Endodontics and Pulpal injuries after Oro-Facial Trauma. Her study The Influence of Instrument Size on Debridement was published in the Journal of Endodontics (Feb 2004, vol 30, 110-112) has been cited over 260 times. She is an associate clinical professor at the CASE School of Dental Medicine and hold a resident teaching appointment at the Cleveland Clinic. She has held several leadership positions in organized dentistry at the state and national level for the American Dental Association and the American Association of Endodontics. She is the proud mother of 4 children ages 20-30 and has been married to and shares a private multi-specialty practice with Dr. Faisal Quereshy OMFS for 30 years. They reside in Cleveland, Ohio.

Pr. Alexis Gaudin, PhD (2015), HDR (2020), is a full-time professor and Endodontist at Nantes University Hospital and the dental school at Nantes Université. He is recognized as a leading expert in pulp biology and the immune response in the dental pulp. Pr. Gaudin is the President of the French Society of Endodontics and a certified member of the European Society of Endodontics. An accomplished researcher, Prof. Gaudin joined the INSERM 1229 RMeS (Regenerative Medicine and Skeleton) laboratory in 2018. His work focuses on regenerative endodontics, with expertise in the immunomodulatory properties of mesenchymal stem cells and molecules involved in the resolution of inflammation. He leads pioneering projects which explore cell-free therapeutic approaches for dental pulp regeneration. Prof. Gaudin's academic journey includes a year as a visiting researcher at the University of the Pacific in San Francisco, USA, where he investigated the impact of immune responses on stem cells. His contributions have earned him numerous awards, including the CNEOC (2011), FSE (2013), and IADR-PBRG (2016) prizes.

Dr. Hugo Plascencia earned his D.D.S. degree in Mexico in 2003. He completed his specialty in Endodontics in 2007 and received a Master of Science degree in 2011, both from the University Center of Health Sciences, University of Guadalajara (CUCS-UdG), Mexico. In 2024, he obtained his Ph.D. in Research and Teaching. Since 2009, Dr. Plascencia has served as an Associate Professor in the Postgraduate Endodontics Program at CUCS-UdG. He also maintains a private practice dedicated exclusively to Endodontics. Dr. Plascencia served as Prosecretary of the Mexican Board of Endodontics (2017–2020) and Secretary of the Mexican Association of Endodontics (2022–2024). He has authored and co-authored numerous peer-reviewed publications in high-impact journals such as the International Endodontic Journal, Journal of Endodontics, Clinical Oral Investigations, among others. His research has primarily focused on “root canal anatomy and its variations”, as well as on “the management of permanent teeth with non-vital pulps and open apices”. He has served as a reviewer for leading journals on more than 60 occasions, including the Journal of Endodontics, European Endodontic Journal, and others. Additionally, he has lectured at over 50 professional conferences worldwide.

Professor (Associate) at the University Center of Health Sciences (CUCS), University of Guadalajara, Guadalajara, Mexico, with main interest in endodontic surgery and minimally invasive endodontics.

Dr. Su-Min Lee is a board certified Endodontist and currently an Assistant professor in the Department of Endodontics, and a Endodontic clinic director at the University of Pennsylvania School of Dental Medicine (Penn SDM). She obtained her dental degree from Chosun University College of Dentistry, South Korea in 2003. Following this, she pursued postgraduate training at the Department of Conservative Dentistry at Chosun University College of Dentistry, where she earned her Master of Science in Dentistry in 2006. Dr. Lee subsequently operated a private practice in South Korea for four years before joining Penn SDM. In 2012, Dr. Lee completed her certificate program at Penn, and in 2015, she obtained Doctor of Science in Dentistry from the same institution.Since 2016, Dr. Lee has served as a full-time faculty member at Penn SDM. In addition to her academic role, she has provided specialized care to patients with special needs and pediatric patients under general anesthesia. Her research interests include the biology of the dental stem cells, regeneration of the dental pulp, and biomaterials in Endodontics.

Dr. Dwornicka earned her D.D.S. degree from the Medical University of Silesia in Katowice, Poland, in 2016. From 2017 to 2021, she practiced general dentistry and endodontics in a private clinic in Ruda Śląska, Poland. In 2021, she shifted her focus to academic research, and in 2023, she obtained an M.S. degree in Cellular Biology from the University Paris Cité in France, concentrating her research on root resorptions. From 2023 to 2025, Dr. Dwornicka completed her specialty training in Endodontics at the University of Pennsylvania School of Dental Medicine. She is currently a full-time faculty member in the Department of Endodontics at the University.

Dr. Fouad obtained his DDS, Certificate of Endodontics, and MS at the University of Iowa. 

He served on the faculty and in various administrative roles at the University of Connecticut, the University of Maryland, and the University of North Carolina at Chapel Hill. He is currently Professor and Chair, Department of Endodontics, Director, Advanced Endodontics Program, and Interim Director, Health Information and Business Systems (HIBS) at the University of Alabama at Birmingham. 

Dr. Fouad has published over 120 peer-reviewed manuscripts, 62 editorials and invited manuscripts, 25 textbook chapters, and over 150 abstracts. He edited and co-authored several editions of the textbooks: Endodontic Microbiology and Endodontics: Principles and Practice. He served as Associate Editor of the Journal of Endodontics for 15 years and is currently Associate Editor of Dental Traumatology and the Endodontics Section of Frontiers of Dental Medicine. He is a Diplomate and Past President of the American Board of Endodontics. He received the Distinguished Scientist Award from the Pulp Biology and Regeneration Group of the IADR in 2017, the AAE President's Award in 2022, and the International Grossman's Award in 2023.

Dr. Avina Paranjpe graduated with her BDS (Bachelor of Dental Surgery) degree from the Mumbai University, India in 2000. She was in private practice in Mumbai, India from 2000-2002 after which she obtained her Master's degree (MS) and a Doctor of Philosophy (PhD) in Oral Biology, Immunology from the University of California, Los Angeles in 2004 and 2007 respectively. Dr. Paranjpe earned her Master of Science in Dentistry (MSD) and Certificate in Endodontics from the University of Washington Graduate Endodontics Program in August 2009 after which she joined the faculty at the University of Washington, School of Dentistry as Assistant Professor. She was promoted to Professor with tenure in 2020 and is the current Program Director in Endodontics at the school. She is a Diplomate of the American Board of Endodontics and the immediate past ABE President. Dr. Paranjpe is involved in several ongoing research projects related to dental materials and regenerative Endodontics. She has numerous publications in the area of pulpal regeneration and revascularization, immunology, and compatibility of biomaterials. She has won multiple teaching awards including the Edward M. Osetek Educator Award 2019: Recognized for outstanding status as an educator in North America by the American Association of Endodontists. She was recently inducted as a Fellow to the International College of Dentists (FICD) and the American College of Dentists (ACD) for her contributions to the profession, community, and research.

Dr. Meetu Ralli Kohli is Clinical Associate Professor and the Program Director for Postgraduate Endodontic Education at the University of Pennsylvania, School of Dental Medicine, Endodontic Department. She also serves as director for Continuing Education and International Visiting Scholar Program and the Master’s in Advanced Dentistry Studies Program (MADS).  She is a member of the Dean’s advisory council. Dr. Kohli earned her B.D.S. from Government Dental College, Bangalore, India. She pursued her D.M.D. degree and specialty training in Endodontics at the University of Pennsylvania, USA. During her training, she received the esteemed Louis I. Grossman Award, the Samuel R. Rossman Scholarship, and the Sherrill Ann Siegel Award & Scholarship. She is on the Scientific Advisory Board as a reviewer for the Journal of Endodontics, the International Endodontic Journal, the Journal of the American Dental Association, and other endodontic journals. Dr. Kohli has published in national and international peer-reviewed journals and has contributed to books on microsurgical retreatment. Her publications have been recognized as the best clinical research paper and as honorary mentions by JOE multiple times. She has served on the AAE’s Constitution and Bylaws Committee and the Research and Scientific Affairs Committee. She also serves as President and Director on the Board of Trustees of the American Board of Endodontics and is a diplomate. Dr. Kohli maintains multiple private practice locations in Pennsylvania, USA, limited to Endodontics.

Dr. Zameera Fida earned her DMD from the Harvard School of Dental Medicine and completed her residency in endodontics at the Tufts University School of Dental Medicine. She is a dual-trained, dual-board-certified endodontist and pediatric dentist. Prior to her endodontic training, she pursued specialty training in pediatric dentistry at Boston Children's Hospital. Dr. Fida began her academic career as Director of Predoctoral Pediatric Dentistry at the Harvard School of Dental Medicine, where she discovered a passion for teaching and mentoring students and dentists. She practiced pediatric dentistry for many years in both private practice and hospital settings before advancing her training in endodontics. After completion of her endodontic training, Dr. Fida practiced part-time in a private practice setting dedicated solely to endodontics while continuing to pursue endodontic care for pediatric patients and those with special health care needs through Boston Children's Hospital until she transitioned into her current role at the Tufts University School of Dental Medicine. Today, Dr. Fida provides endodontic care for patients of all ages and prides herself on guiding patients compassionately through the entire root canal treatment process. As Chair of the Department of Endodontics at Tufts University School of Dental Medicine, she oversees clinical, academic, and research initiatives while mentoring the next generation of endodontists.

Dr. Xiaofei Zhu is an Assistant Professor and the Director of Research in the Endodontics Department at Boston University School of Dental Medicine. He received his DDS from Peking University, Beijing, China, in 2009. Since then, he had worked as an assistant professor and later as an associate professor (in 2015) at his alma mater. Dr. Zhu joined the Boston University Postgraduate Endodontic Program in 2019. He served on the Regenerative Endodontics committee of the AAE from 2020 to 2021. In 2021, Dr. Zhu started working at Boston University. He earned the Diplomate of the American Board of Endodontics in 2022. Dr. Zhu's primary research interest relates to dental pulp regeneration and stem cells.