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  Weird anatomy - courtesy roots

The opinions and photographs within this web page are not ours. Authors have been credited
for the individual posts where they are. - Photos courtesy of Marga Ree
From:Marga Ree
Sent: Tuesday, January 24, 2006 2:28 PM
Subject: [roots] Weird anatomy 2nd max molar

This 17 year old boy complained about sensitivity in the ULQ, area 26-27. 
His dentist started a root canal treatment in 26, but his complaints didn't 
subside. Then the boy was referred to a periodontist, because of a deep pocket
buccal of 27. Fortunately, the periodontist noticed a radiolucency being 
present on 27, and found that the tooth was not responding to thermal tests. 
She referred the patient to me for a rct on 27. At first I thought it was a 
double tooth, it looked like a gemination, but later on, I thought it might 
be a large tuberculum paramolare. Anyway, the root canal system was kind of 
a C shape configuration, with a deep groove between the buccal and the 
palatal canal, and a fin connecting the canals.Ca(OH)2 for 1 month, and the 
pocket had completely disappeared. Six months follow-up rads show resolution
of the lesion. What a great pity of the unnecessary endo in 26.......

Weird anatomy 
Weird anatomy
Weird anatomy
Weird anatomy You get the fun ones marga. Do you think there is an possibility those 3 extra cusps may have their own system. Thatís a lot of bulk of tooth structure to be avascular. Obviously, 6 months healing is a good sign. - Gary Good point Gary, I was thinking the same when I treated this tooth. During treatment, I looked whether I could see signs of such a separate system, or maybe a connection with the main rc system, but I failed to identify this. I decided to wait for signs of healing, which occurred already after the first visit. If this would not have happened, I was prepared to go back in.- Marga I knew you would be. 5 months and counting! - Gary
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

Acute pulpitis images

Middle distal canal

Silver point

Crown preparation

Epiphany healing

Weird anatomy

Dual Xenon

Looking for MB2

Upper molar resorption

Acute apical abcess

Finding MB2

Gingival inflammation

Irreversible pulpitis

AG BU ortho band

TF Files

using TF files

Broken bur

Warm technique

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