Differential diagnoses for persistent pain after root canal treatment: a study in the National Dental Practice-based Research Network

Journal of Endodontics
D R NixdorfNational Dental PBRN Collaborative Group

Abstract

Pain present 6 months after root canal treatment (RCT) may be of odontogenic or nonodontogenic origin. This is important because treatments and prognoses are different; therefore, the aim of this study was to provide specific diagnoses of patients reporting pain 6 months after receiving initial orthograde RCT. We enrolled patients from the Midwest region of an existing prospective observational study of pain after RCT. Pain at 6 months was defined as ≥1 day of pain and average pain intensity of at least 1 of 10 over the preceding month. An endodontist and an orofacial pain practitioner independently performed clinical evaluations, which included periapical and cone-beam computed tomographic radiographs, to determine diagnoses. Thirty-eight of the 354 eligible patients in the geographic area (11%) met the pain criteria, with 19 (50%) consenting to be clinically evaluated. As the sole reason for pain, 7 patients (37%) were given odontogenic diagnoses (4 involving the RCT tooth and 3 involving an adjacent tooth). Eight patients (42%) were given nonodontogenic pain diagnoses (7 from referred temporomandibular disorder pain and 1 from persistent dentoalveolar pain disorder). Two patients (11%) had both odontogenic and nonodontogenic...Continue Reading

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Citations

Apr 28, 2016·Journal of Endodontics·Maria PiggUNKNOWN National Dental Practice-Based Research Network Collaborative Group
Dec 20, 2020·Journal of Endodontics·Maria PiggThomas List
Dec 4, 2020·Journal of Endodontics·Ali NosratAlan S Law
Apr 4, 2017·Journal of Stomatology, Oral and Maxillofacial Surgery·W DiebY Boucher

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