dens evaginatus

The Little Devil Horn – part II

December 8, 2015

Depending on the location and size of dens evaginatus, most tubercles fracture off as soon as the teeth come into occlusion. The resultant pulp exposure goes unnoticed until patient develops pain and symptoms and a combined endodontic-restorative procedures would then be necessary. Therefore, observation alone is not an acceptable approach…

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law of concentricity

Recognize the Rotated Ones!

April 1, 2015

One of the scenarios that we have to always be prepared for is accessing through a crown that is placed on a rotated tooth. One of the key elements discussed was the use of a probe to gain a better appreciation of the root outline at the CEJ level. The “Law of Concentricity” then allows us to start our access cavity preparation in the right direction…

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middlel mesial canal

MM Canal is a Thing Now?

May 17, 2013

The presence of an independent Middle Mesial (MM) canal has been reported for decades in endodontic literature. Owing it to technological advancements, it appears that the incidence rate for these extra canals is on the rise: Skidmore & Bjorndol 1971 (0%), Pineda & Kuttler 1972 (0%), Vertucci 1984 (1%), Fabra-Campos 1989 (2.6%), Goel et al. 1991 (15%)…

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munce burs

MB2, a Pain in the Neck

April 10, 2013

I was taught that MB2 canals in upper molars are there 60-70% of the time. Newer tools and techniques show us that MB2’s are always there whether or not we can get to it. As a matter of fact I tell our endodontic residents at UBC that “if you haven’t found it, you have missed it”…

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