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Rotary vs Reciprocating Files Part 2 with Samuel Johnson - PDP271

833 views· 15 likes· 51:22· Jun 10, 2026

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🦷 Looking for an endomotor? Upgrade your endodontic workflow with the Woodpecker Endo Radar Pro. Head to https://www.qudent.co.uk/products/woodpecker-endo-radar-pro?_pos=1&_psq=endo+radar+pro&_ss=e&_v=1.0&variant=56592922247546 and use coupon code PROTRUSIVE at checkout to claim an exclusive discount and your choice of complimentary file system. Is rotary really better than reciprocating? Can you safely skip the glide path with modern reciprocating systems? What is the best file system for a GDP who wants predictable endodontic results? And perhaps the biggest question of all: does the file system matter as much as we think it does? In Part 2 of the Endo Showdown, Dr Samuel Johnson (https://www.instagram.com/i_love_the_pulp) returns to tackle some of the most common questions dentists have about file systems, glide path preparation, retreatment, and endodontic workflow. From practical negotiation tips to choosing a system that works in your hands, this episode focuses on the decisions that can make endodontics simpler, safer, and more predictable. Protrusive Dental Pearl Cut your gutta-percha at the level of the canal orifice and thoroughly clean the pulp chamber before placing the coronal restoration. ⚠️ Leaving gutta-percha and sealer coronally can compromise the coronal seal and promote leakage. ✅ Use isopropyl alcohol to clean resin-based sealer residue before bonding. Water is effective for cleaning bioceramic sealers. Key Takeaways -Establish a glide path before shaping whenever possible. -D-Finders can negotiate difficult canals more predictably than traditional K-files. -Intermediate files such as size 12 or 12.5 can help bridge the jump from size 10 to size 15. -Straight-line access reduces file binding and improves shaping efficiency. -Avoid forcing glide path files to working length. -Gates Glidden drills may be unnecessarily aggressive for routine coronal flaring. -WaveOne Gold remains a simple and user-friendly option for many GDPs. -Rotary and reciprocating systems can both achieve successful outcomes when used appropriately. -A good glide path is often more important than the type of motion being used. -Hand files and Hedström files remain valuable during retreatment. -Mechanical GP removal near the apex increases the risk of extrusion. -Understanding motor settings, torque, and RPM improves file safety and efficiency. -Clear consent and expectation management reduce stress for both clinician and patient. Highlights of the episode: 00:00 Teaser 01:09 Introduction 02:15 Protrusive Dental Pearl: Coronal GP Removal & Pulp Chamber Clean-Up 03:59 Glide Path File Protocol & Canal Negotiation 06:24 Access Cavity Design & Coronal Flaring in RCT 08:38 File Taper & Canal Preparation Philosophy 09:54 Managing Difficult Canals in Endodontic Treatment 11:48 When to Introduce the Glide Path File 13:24 Using Intermediate File Sizes 15:39 Useful Negotiation & Shaping Tips 17:19 Choosing a File System 20:19 Rotary vs Reciprocating in Clinical Practice 21:29 Motor Settings & File Control 21:40 XP-Endo & Specialised File Designs 22:05 Endo Motor Ads 24:44 XP-Endo & Specialised File Designs 25:16 Retreatment Files & GP Removal 26:08 Preferred Gutta-Percha Removal 31:21 Recommended System for Simplicity 32: 44 Building Skills Faster in Endodontics 36:13 Consent & Managing Expectations 41:51 Reciproc vs WaveOne Gold 42:22 Preferred Retreatment Protocol 43:33 Using Rotary Files in Reciprocation 45:12 Curved Canals & Shaping Efficiency 46:32 Can Reciproc Blue Bypass the Glide Path? 49:29 Outro Want more? Check out the previous episode with Dr. Samuel Johnson: Working Lengths and Troubleshooting Apex Locators – PDP216 (https://youtu.be/M2z8Dl_g4XY) 🎁 Subscribe to Dr. Samuel Johnson’s amazing YouTube Channel: I Love The Pulp (https://www.youtube.com/channel/UCwGaWFc1io98CdMeSblWm4w) for more helpful endodontics tips and tricks. #PDPMainEpisodes #endorestorative This episode is eligible for 0.75 CE credit via the quiz on Protrusive Guidance (https://www.protrusive.co.uk/ultimate). ----------------------------------- Apply for FREE access to the Nicest and Geekiest Dental Community in the World 🌍 https://protrusive.app - it’s absolutely Free We also have paid plans so you can Claim Verifiable CPD/CE + EXCLUSIVE content: https://protrusive.app 🔊 Subscribe on Apple: https://protrusive.co.uk/apple 🔊 Subscribe on Spotify: https://protrusive.co.uk/spotify 📷 Instagram: https://www.instagram.com/protrusivedental/ Online Courses: 😬 Learn Occlusion Online: https://occlusion.online/ 📚 Learn TMD and Occlusal Appliances: https://www.splintcourse.com 🦷 Gain Confidence with Resin Bonded Bridges: https://rbbmasterclass.com 🎒 Learn Vertipreps, Rubber Dam and More: https://protrusive.co.uk/ultimate Life by KV /kvmusicprod Creative Commons — Attribution 4.0 International — CC BY 4.0 Free Download / Stream: https://www.audiolibrary.com.co/kv/life Music promoted by Audio Library Life – KV (No Copyright Music)

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