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About/Dr. Gretel Pellegrini

Trained to rebuild what's structurally difficult.

A periodontist and bone biologist whose practice is grounded in the science of bone regeneration — not just the mechanics of surgery. Dr. Pellegrini takes on the complex, high-difficulty cases many practices refer elsewhere.

Dr. Gretel Pellegrini, periodontist and bone biologist, in a white coat

Two decades across surgery, bone biology, and clinical research.

Columbia University
University of Buenos Aires
Indiana University

Dr. Pellegrini is a Diplomate of the American Board of Periodontology, a recognized specialty of the National Commission on Recognition of Dental Specialties and Certifying Boards. She holds a DDS from Columbia University College of Dental Medicine and completed her surgical training in Periodontics and Implant Surgery there, earning a Master of Science degree in Periodontics while serving as Chief Resident.

She also holds a DDS and a PhD with Honors from the University of Buenos Aires, where she served as Vice-Director of the Dental Hospital and as faculty for more than sixteen years. She went on to pursue postdoctoral training in Bone Biology at Indiana University, a world-renowned center for bone research — the foundation of her approach to the hardest reconstructive cases: severe bone loss, failed implants, and full-arch rebuilds.

Dr. Pellegrini is certified in the LANAP and LAPIP (Laser Assisted New Attachment Procedure and Peri-Implantitis Procedure) protocols, as well as the minimally invasive Pinhole Surgical Technique for treating gum recession. She has published multiple peer-reviewed papers and serves as a reviewer for prestigious journals in her field.

Credentials

01
Doctor of Dental Surgery (DDS)
University of Buenos Aires Dental School · 1999–2005
02
PhD in Bone Biology, with Honors
University of Buenos Aires Dental School · 2006–2009
03
Doctor of Dental Surgery (DDS)
Columbia University College of Dental Medicine · 2018–2020
04
Master of Science in Periodontics
Columbia University College of Dental Medicine · Chief Resident · 2020–2023
05
Postdoctoral Fellowship in Bone Biology
Indiana University
06
Vice-Director, Dental Hospital
University of Buenos Aires · 16+ years faculty
07
Diplomate, American Board of Periodontology
A Recognized Specialty of the National Commission on Recognition of Dental Specialties and Certifying Boards

Protocols & techniques

LANAP® LAPIP® Pinhole Surgical Technique American Board of Periodontology, Diplomate

Awards & honors

Research

Tenenbaum Award in Periodontal Research

Columbia

Divisional Excellence in Periodontics Award — Columbia University College of Dental Medicine Association of Dental Alumni

Scholarship

Lionel Abzug Scholarship Award

Columbia

Ralph and Jessica Kaslick Award

Columbia

Program for Diversity and Inclusion in Commercialization and Entrepreneurship Award

Honor Society

Omicron Kappa Upsilon Key, Columbia University Chapter

ASBMR

American Society for Bone and Mineral Research Young Investigator Award

Clinical trials & regulatory work

FDA

Director and scientific advisor on multiple trials for bone regeneration devices seeking U.S. Food and Drug Administration approval.

CE Mark

Holds the same role on trials pursuing Conformité Européenne certification, shaping protocols later used in her own operating room.

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