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The opinions and photographs within this web page are not ours. Authors have been
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From: Marga Ree
Sent: Tuesday, February 23, 2010 2:26 AM
Subject: [roots] When to use MTA?

This 14 year old girl was treated by a colleague who has got a
microscope. Due to persistent complaints, she was referred to our
practice.  Looking at the leaking gp cones, you can almost smell 
the odor of bugs... Removing  old gp has never been easier

I could also remove the chunk of sealer in the peri-apical tissues.

Today she came in for a 1 year recall. Looks as if it is getting 
better...:-) - Marga

did you use amalgam carrier and paper point to place MTA and pack it - Subhi Alnahas I used a Dovgan MTA carrier, paper points and pluggers with indirect ultrasonic activation - Marga The wonders of MTA :) Nice one! Grtz - Rafael Dear Marga, Great work as always. What instrument/s do you use to remove gp/sealer beyond the apex ? I find this work tedious and very time consuming (and not always possible) - Thomas Thanks Thomas, I use a prebend file or explorer to retrieve the material, I call it "extraradicular fishing"....:-). It's a matter of patience and luck, and you're right, it's not always possible, but if you can fish through a wide open apex, it is doable. - Marga You must be a one hell of a fisherman - Thomas Marga, Great case and very good resolution.. Why Gates used to that length? - Rodolfo Thanks! I use LightSpeed instruments or Gates for length determination, and to gauge the foramen.- Marga Great result. Looks very good. - Terry P.S Having a microscope probably doesn't mean you are Marga Ree ;) Dear Marga, I find this case a masterpiece! Thank you for sharing! And I have a question - do you always use an apical barrier like CaSO4 or colagen membrane or not? I had a case with sever apical resorption and I was in dilemma - to use or not to use apical barrier! I did not use it and the result was quite good, but I wonder if I made the right choice! - Bojidar Kafelov Thanks Bojidar, If the apex is wide open, I usually use an extraradicular matrix. I prefer to use calcium sulphate. It gives me more control on the placement of MTA - Marga

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

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MB2 and palatal canal

Long lower third

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CT Implant surgury

Weird Anatomy

Apical trifurcation

Canal and Ultrasonics

Cotton stuffed chamber

Pulp floor sandblasting

Silver point removal

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5 canaled premolar

Sealer overextension

Complex anatomy

Secondary caries

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LL 1st molar (#19)

Shaping vs Cleaning

First bicuspid

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Premolar 45

Ortho and implant


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AG BU ortho band

TF Files

using TF files

Broken bur

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Restorative prognosis

Tooth # 20 and #30

Apical third

3 canal premolar

Severe curvature

Interesting anatomy

Chamber floor

Zirconia crown

Dycal matrix

Cracked tooth

Tooth structure loss

Multiplanar curves