Re-Root Canal Retreatment: Gutta-Percha Removal Step-by-Step (No Guesswork)
Join this channel to get access to perks:
/ @ilovethepulp
If you’ve ever started a retreatment and thought “this gutta-percha is not moving”, this video is for you.
I’m demonstrating a simple, repeatable step-by-step sequence for gutta-percha removal in root canal retreatment, including how to deal with the most frustrating part: the last apical fragment. This is shown on a sectioned tooth, so you can see what’s happening as the GP lifts off the canal walls.
What you’ll learn
✅ The H-file screw-and-pull technique (and why GP often comes out in pieces)
✅ Why I use NaOCl early and ultrasonic activation to keep things clean and moving
✅ A dry ultrasonic tip trick that can help dislodge GP
✅ Where XP-endo helps (and where it doesn’t)
✅ When I finally use solvent, and the key detail: dry first so it actually reaches apically
✅ Why I chose a two-visit approach here with calcium hydroxide, then re-obturated using a bioceramic technique
If this helps, subscribe — I post clinical endo content and tutorials to make retreatment more predictable.
TIMECODES
00:00 Intro: retreatment on a sectioned molar + what we’ll use
00:24 Case overview: bioceramic + GP cone retreatment challenge
00:53 First attempt: H-file “screw & pull” to engage GP
01:22 Working around canal walls to get better engagement
01:58 Why GP is “stuck” against the canal walls (bonding/compaction)
02:24 Switch tactics: use a probe to lift GP off the wall
02:58 Back to H-files: deeper engagement after GP is loosened
03:25 Accepting reality: GP often comes out in pieces
03:34 First big removal: coronal third comes out
03:46 Clearing residual GP from the mesial wall
04:22 Key shift: add NaOCl (lubrication + cleaning the mess)
04:55 Early ultrasonic activation of irrigant (cleaner working field)
05:25 Yoshi/DG-style GP remover: micro-movements in the mid-third
06:04 Dry ultrasonics trick on GP (low power, direct contact)
06:30 Probe + H-file combo: wedge between GP and canal wall
06:51 Mindset section: retreatment is slow — stay patient + controlled
07:36 Progress update: well-compacted GP + bioceramic makes it harder
07:55 Apical “orange glint”: last fragment in the apical third
08:28 XP-endo Shaper introduced: where it helps / where it doesn’t
09:16 High mag + probe: dislodging tiny fragments (oval canal reality)
09:40 Chasing mid-third remnants to free the apical piece
10:14 “Locking fragment” removed: satisfying pull-out moment
10:33 Last apical speck: bent H-file scraping trick attempt
10:57 Back to XP-endo: getting a bit desperate (real-world honesty)
11:01 Decision point: solvent (why you don’t love it)
11:38 Solvent first attempt: canal not dry → solvent not reaching apically
12:14 Fix: aspirate + paper points to dry canal fully
12:22 Solvent placed properly: reaching the apical third
12:37 Yoshi tool again: tiny steps to dislodge softened GP
12:49 Bent file trick returns: scraping and teasing GP free
12:59 Ultrasonic activation cycle: activate → dislodge → repeat
13:17 XP-endo final clean after solvent has done the heavy lifting
13:24 Confirmation: GP gone (aspiration shows clear canal)
13:27 Flush protocol: NaOCl irrigation to clear solvent remnants
13:39 Dressing decision: non-setting calcium hydroxide + why (2-visit debate)
14:09 Second appointment: remove GIC + PTFE + calcium hydroxide
14:29 Tip: 17% EDTA helps remove non-setting Ca(OH)₂
14:38 Irrigation protocol recap: NaOCl (activated) → EDTA (activated) → NaOCl (activated)
14:59 Drying and inspection: canal looks clean and ready
15:05 Cone fit at working length + tug-back check
15:12 Cone fit radiograph: confirm position relative to radiographic apex
15:23 GP disinfection + prepare for obturation
15:26 Bioceramic delivery: inject sealer (microscope recommended)
15:46 Fit cone to length + remove excess + compact
15:55 Clean-up: bioceramic wash-out + wick moisture if needed
16:20 Restoration: self-etch bond + bulk-fill composite
16:39 Outro: questions/criticisms welcome + membership mention
17:03 End
#guttapercha #guttapercharemoval #bioceramicsealer #endosealer #calciumhydroxide #edta #sodiumhypochlorite #ultrasonicactivation #dentalmicroscope #xpendoshaper #hfiles #kfiles #endotips #irrigationprotocol