Case of the week: Internal Resorption on CBCT

This weeks case is a severe example of internal resorption as seen on cone beam CT.  Internal resorption presents as enlargement of the pulp chamber and/or root canal space.

Reconstructed pantomograph

(Metal in left  anterior mandible is due to previous reconstruction and mandibular fracture)

Cross-sectional view

(Note enlarged root canal space in midroot portion of the tooth with decreased thickness of dentin.  As if there is a large hole in the tooth.)

This is just a few screenshots from a CBCT scan of internal resorption.  If you have any questions about this, please let me know.  Thanks and enjoy!

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