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Paper Information

Journal:   IRANIAN ENDODONTIC JOURNAL (IEJ)   2014 , Volume 9 , Number 2; Page(s) 149 To 152.
 
Paper: 

CASE REPORT: EXTRAORAL RETROGRADE ROOT CANAL FILLING OF AN ORTHODONTICINDUCED EXTERNAL ROOT RESORPTION USING CEM CEMENT

 
 
Author(s):  KHEIRIEH SANAM, FAZLYAB MAHTA, TORABZADEH HASSAN*, EGHBAL MOHAMMAD JAFAR
 
* IRANIAN CENTER FOR ENDODONTIC RESEARCH, RESEARCH INSTITUTE OF DENTAL SCIENCES, SHAHID BEHESHTI DENTAL SCHOOL, EVIN, TEHRAN, IRAN
 
Abstract: 

Inflammatory external root resorption (IERR) after orthodontic treatments is an unusual complication. This case report describes a non-vital maxillary premolar with symptomatic extensive IERR (with a crown/root ratio of 1: 1) after receiving orthodontic treatment. The first appointment included drainage, chemo-mechanical preparation of the canal and intra-canal medication with calcium hydroxide (CH) along with prescription of analgesic/antibiotic. The subsequent one-week follow-up revealed the persistence of symptoms and formation of a sinus tract. Finally, extraoral endodontic treatment was planned; the tooth was atraumatically extracted and retrograde root canal filling with calcium enriched mixture (CEM) cement was placed followed by tooth replantation. Clinical signs/symptoms subsided during 7 days postoperatively. The sinus tract also resolved after one week. Six-month and one-year follow-ups revealed complete healing and a fully functional asymptomatic tooth. This case study showed favorable outcomes in a refractory periapical lesion associated with orthodontically induced extensive IERR. The chemical as well as biological properties of CEM cement may be a suitable endodontic biomaterial for these cases.

 
Keyword(s): CALCIUM ENRICHED MIXTURE, CEM CEMENT, ENDODONTICS, EXTERNAL INFLAMMATORY ROOT RESORPTION, INTENTIONAL REPLANTATION, ORAL SURGERY, ORTHODONTICS, ROOT RESORPTION
 
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