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OPMI PROergo Dental Operative Microscope VS Completely Calcified Canals

June 24, 2011 By Dr Pierre Pizem 1 Comment

Dental operating microscope (D.O.M.), Striving for Second Mesio Vestibular (MB2), Root Canal Treatment Pre-Therapy 482026-1Dental operating microscope (D.O.M.), Striving for Second Mesio Vestibular (MB2), Root Canal Treatment Post-Therapy 482026-1

 

Case Study Number 482026

 

 

 

Because of an extreme canal stenosis by calcification and because of its obliterated pulp chamber by adherent pulpstones, this first maxillary molar root canal system is not visible on preoperative X ray dental film.

Patient is given full knowledge of the possible risks and benefits of such a complex procedure.  This tooth vestibular cusps are broken, the patient is in pain. She definitly wants to keep her own tooth and give an informed consent.

Operative field observation is enhanced with high magnification and coaxial xenon lamp illumination (Carl Zeiss OPMI PROergo dental operative microscope). Dystrophic calcifications have been removed from pulp chamber with ultrasonic diamond coated tips. We have been striving to locate all four canal entries (we have been striving a lot more to find MB2 canal entry) and we also had been striving to progressively regain patency by widening each root canal. Lots of chelating agent was needed.

Our first instruments in the root canals were ISO K Files 06. Canals have then been shaped to K file size 15 and calcium hydroxide inserted. Following appointment allowed us to finish shaping, cleaning and obturation of the root canal system. Root canals have been sealed with Pulp Canal Sealer EWT.

MB1 and MB2 were not merging at the apex, but both exits were closely juxtaposed. For that reason only a single mesiovestibular root canal shows on post operative X ray dental film. It also appear to be overenlarged but this is not the case.

Knowing that for each uninstrumented millimeter from the apex, a 14% increase in treatment failure might be expected, help of a dental operative microscope in such a case is a no brainer to us.

Filed Under: Dental operating microscope (D.O.M.) assisted R.C.T., Pulp stones (denticles), Striving for second Mesio vestibular (MB2), D.O.M. versus completely calcified systems Tagged With: Adherent pulpstones, calcified canals, Carl Zeiss, complete root canal stenosis, Coronal-radicular access, Dental operative microscope, Dystrophic calcifications, Location, Mb2, Mesiovestibular, microendodontics, Opmi Proergo microscope, root canal procedure

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  1. What’s New On This Blog On Friday, June 24th, 2011 | ENDOMONTREAL says:
    April 1, 2016 at 1:13 am

    […] A new Dental Operative Microscope (D.O.M.) assisted extreme root canal treatment: OPMI PROergo dental operative microscope VS completely calcified root canals. Case number: 4820… […]

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