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Endo abstracts     Anatomic averages. Is it the best dentisry has to offer?

From: John A Khademi, DDS MS
To: ROOTS
Sent: Thursday, August 25, 2005 11:59 PM
Subject: [roots] Anatomic averages. Is it the best dentisry has to offer?

Teesa presents with Nec/AAP #14. I have other angles, but it looks the same. How will a magic bur that stops at some pre-determined average help us find the pulp chamber. What pulp chamber. Where are the roots? I found the palatal canal quickly, but knew there was more anatomy based on the eccentric location. A combination of burs and ultrasonics finally located the "MB" and "DB" canals about 12mm down (Pic 2). Further preparation with CPR and BUC ultrasonics opened up the confluent MB and DB, which still have a small isthmus of dentin between them (Pic 3). You can see I am not done yet--there is an MB2 as well. - John A Khademi