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9 year retreatment recall - Courtesy ROOTS

The opinions and photographs within this web page are not ours. Authors have been
credited for the individual posts where they are -
From: Terry Pannkuk
Sent: Wednesday, September 29, 2010 7:36 AM
Subject: [roots] 9 year retreatment recall

I retreated this molar that had a missed MB2 canal and missed DB2 canal in 2001.
It was a very tough case that had been hacked up.   Is the lesion gone?  - Terry

I forgot to post the all-important CBCT plane images.  It is a massive bubble 
(itís the lesion! ). Hereís the attachment I accidentally left out. - Terry

The patient had been fine up until the crown was replaced a year ago.
2 weeks ago he developed swelling and biting sensitivity.   I tested slight 
palpation and percussion sensitivity.  I wanted to see what was going on since 
it was a very complicated retreatment.  I scan as many of my own recalls for 
free as I can. If I had not treated this case myself, I probably would have 
taken a scan just because the sinus is obscuring the view so much on the PA.   
Due to the immense size of the lesion, possibly being something weird like an 
OKC, Iím going go straight to surgery, but I could make a case for doing 
non surgical first.   Is the DB2 a real DB2 or a false path?
The DB-P root fusion is interesting.  Iíll try to take a lot of pictures 
during the surgery. The patient is very laid back and easy going.

This is definitely a good one to take a scan on!  Check out the other 
attached views.- Terry

Protaper flaring
6 yr old Empress
Cvek pulpotomy
Middle mesial
Endo misdiagnosis
MTA retrofill
Resin core
BW importance
Bicuspid tooth

Necrotic #8 treatment
Finding MB2 / MB3
Deep in a canal
Broken file retrieval
Molar cases
Pushed over apex
MB2 and palatal canal
Long lower third
Veneer cases
CT Implant surgury

Weird Anatomy
Apical trifurcation
Canal and Ultrasonics
Cotton stuffed chamber
Pulp floor sandblasting
Silver point removal
Difficult acute curve
Marked swelling
5 canaled premolar

Sealer overextension
Complex anatomy
Secondary caries
Zygomatic arch
Confluent mesials
LL 1st molar (#19)
Shaping vs Cleaning
First bicuspid
In Vivo mesial view
Inaccesible canals

Premolar 45
Ortho and implant
Lateral incisor
Churning irrigant
Cold lateral
Tipped to lingual
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Middle distal canal
Silver point
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Weird anatomy
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Looking for MB2
Upper molar resorption
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Finding MB2

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AG BU ortho band
TF Files
using TF files
Broken bur
Warm technique
Restorative prognosis
Tooth # 20 and #30

Apical third
3 canal premolar
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Dycal matrix
Cracked tooth
Tooth structure loss
Multiplanar curves