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A Biologic Perspective on the Use of Partial Extraction Therapy in Implant Dentistry
Edward D Karateew1, Rodrigo Neiva2, Snejazana Pohl3
1Clinical Associate Professor and Graduate Program Director, Department of Periodontics, University of Illinois Chicago, Chicago, Illinois.
Abstract:
Many clinical procedures have been developed over the past 20 years that are aimed at minimizing the volumetric loss that occurs when a tooth is removed. One procedure that has been developed and refined in an effort to overcome alternate procedural limitations is partial extraction therapy (PET). Integral to this technique is the purposeful retention and shaping of a portion of the root of the extracted tooth. While it is generally understood that the PET procedure has a positive effect on the retention of hard- and soft-tissue volume with minimal complications, clinicians should have a biologic understanding of why favorable results are able to be achieved with this technique, as the literature is lacking such a biologic discussion.
