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The traditional management of deep direct and indirect finish lines and margins are thought to rest on several discrete concepts such as ferrule, biologic width, finish line design, fit and finish-ability. These concepts and attendant principles and procedures deserve revisiting with the magnification that is available using the Surgical Operating Microscope (SOM). Through that lens, one might see the principles themselves as manifestations of the poor process-outcomes of the traditional explorer/tactile-based model of dental practice that the concepts were intended to prevent.

Learning outcomes

1. How the traditional discrete models of ferrule, biologic width and finishline/fit/finishability have lead to treatment models that have not worked as advertised. 2. New mental models linking these three concepts can lead to different treatment models. 3. How the vision-based endodontist can leverage those treatment models in practice.

Speaker

Dr John Khademi DDS, MS

Dr. Khademi received his DDS from the University of California San Francisco and his certificate in endodontics and did his MS on digital imaging from the University of Iowa. He is in full time private practice in Durango Colorado and was Associate Clinical Professor in the Dept. of Maxillofacial Imaging at USC and is Adjunct Assistant Professor at SLU. In his “prior life”, he wrote software for laboratory automation, instrument control and digital imaging. He lectures internationally about CBCT, clinical trial design, outcomes, and conventional endodontic technique

NZSE Symposia 2025 Mod 4: Deep Margin Elevation


Speaker:

Dr John Khademi DDS, MS

Friday 29th Aug 2025
11:00am - 12:30pm
Venue: Online Webinar
164 The Terrace
Region: Wellington
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