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Read Dr. Buchanan's Endo Files

A Case of Missed Caries, Pulp Degeneration, and Structural Compromise by Dr. Buchanan


A Case of Missed Caries, Pulp Degeneration, and Structural Compromise Stephen Buchanan, DDS, FICD, FACD   Pre-Op CBCT-B View CBCT-M View Measuring for Implant Measuring for RCT   This was an interesting case that presented challenges for the referring dentist and specialist alike. The pt is an 84 YO WM with good general health besides […]

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Case Study: 4.7mm Separated File in Mesial Root


Tooth Number: 30       Status: Partially Vital Pulp with Separated File in Mesial Root Prognosis: Good Notes: This was a difficult file separation to remove, due to the segment length (4.7mm) and position at the end of the MB canal. After engaging the file segment with a Yoshi Loop micro-lasso, I was able to remove the […]

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Case Study: Severe Root Curvatures with Multiple Lateral Canals


Tooth Number:  19        Pulp Status: Necrotic      Prognosis: Good Notes: This case was a challenge to treat due to the severe curvatures in both roots; however, by using minimally invasive techniques paired with GentleWave irrigation, several lateral canals were filled during obturation, visible by examining the mesial root apex.

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Case Study: Severe Internal Resorption Perforating the Root Surface


Tooth Number: 4           Prognosis: Fair to Good. Notes: I would not be as confident about the expected prognosis for this tooth if tooth #6 -also diagnosed with severe internal resorption perforating the root surface-had not responded so well to treatment.  Previously, I treated most resorption cases with long-term use of CaOH prior to completion. Here, […]

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Endodontic Shaping Procedures: The Past, Present, and Near Future


– by Dr. L. Stephen Buchanan, DDS, FICD, FACD September 1, 2015 When I write about the winding path endodontic shaping procedures that have taken over for the last 35 years, I am sure that I sound like an old curmudgeon bragging he walked 5 miles to school every day through the snow without Uggs. […]

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Inflection Points in Dental Imaging


– by Dr. L. Stephen Buchanan, DDS, FICD, FACD Dentistry is primarily a visual event for clinicians. After visually examining our patients’ teeth and gingiva, their radiographs, and watching a periodontal probe in sulci as it moves around their teeth, we are usually capable of diagnosing, treatment planning, and executing a restoration of their damaged […]

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Should General Practitioners Place Implants?


– by Dr. L. Stephen Buchanan, DDS, FICD, FACD December 1, 2016 INTRODUCTION My favorite reply, when asked why an endodontist also places implants, is, “Even orthodontists place implants now, and they don’t even like to use sharp, pointy instruments!” At this stage in the dental implant revolution, there are clinicians in every specialty (except […]

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The Continuous Wave of Obturation Technique, Part 1 & 2


The Continuous Wave of Obturation Technique, Part 1: Concepts and Tools – by Dr. L. Stephen Buchanan, DDS, FICD, FACD WHY DOES 3-D OBTURATION OF ROOT CANAL SYSTEMS MATTER? It is a commonly accepted fact that sterile canals, if perfectly sealed at their coronal extents, do not need to be filled to achieve endodontic treatment […]

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A Revolutionary Protocol for Endodontic Access


– interview, written by Dr. L. Stephen Buchanan, Charles Maupin, and John Khademi April 1, 2018 Let’s start out with defining this technology. Steve, what is dynamic guidance and how does it apply to root canal therapy? Dr. Buchanan: Dynamic guidance (DG) has recently been introduced as an alternative to the printed or milled (static) drill guides that […]

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