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From: Sachin Khattar
To: ROOTS
Sent: Saturday, October 22, 2005 10:27 AM
Subject: [roots] C Shaped
Looks a C shaped canal ................tough coronal curvature and
lotsa hand filing to get through the coronal third initially. - Sachin
Sachin, not sure what you mean by "C-Shape", but the way I have seen
the term used in texts/lit is in reference to the appearance of the
pulp chamber when looking at the pulpal floor. The number of canals
varies and the isthmus/fins are extensive, and portals of exit take on
highly varied presentations. They are most common in second molars,
not sure I have seen one in a first molar. If I come across an
image I will post it. By the way, nice case! - KendelG
Hi Kendel, All these days I was under the impression that a C shaped
is a canal shaped like a C.............coronal as well as apical
curvature but now that you have clarified that it is the pulp chamber
I guess I will have to find a suitable nomenclature ..........:-) - Sachin
Sachin, you must have a mistake. C-Shaped canal is a canal that looks
like the letter C. It has one big isthmus connecting mesial and distal
canals together. There are 3 different types, but I will not bother
you with that. I enclose a picture of how C-Shaped canal looks:
Btw C-Shaped canals are mainly found in lower second molars. You can
spot them if you see the distal canal is not centred, usually too mesial.
Also the roots are not divergent. In some population this anatomy is
very frequent (asian).
Nice case, but probably not C-shaped at all.- Thomas
Thomas , I was under the impression that C shaped is the canal that looks
like a letter C but as Kendel and you have pointed out that its the pulpal
floor anatomy that is in a C shape .............I feel like a fool now
...........................:-). It was never a C shaped ...............
just that it was curved.The learning never ends - Sachin
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