ORAL HEALTH EVIDENCE-BASED PRACTICE PROGRAM
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Title |
Fractured Endodontic Instrument has No Effect On Healing |
Clinical Question |
Does a retained fractured endodontic instrument affect the healing of a periapical lesion? |
Clinical Bottom Line |
There is no significant difference in healing between teeth in which a fractured instrument is retained and teeth in which no fragmentation and retention occurs. (See Comments on the CAT below) |
Best Evidence |
(you may view more info by clicking on the PubMed ID link) |
PubMed ID |
Author / Year |
Patient Group |
Study type
(level of evidence) |
#1) 20416418 | Panitvisai /2010 | 199 patients | Meta-analysis of 2 case-control studies | Key results | A retained instrument fragment did not significantly influence healing. The healing rate was 91% when a retained instrument fragment was present (80.7% when a periapical lesion was present; 92.4% when no lesion was present initially. | |
Evidence Search |
"Root Canal Preparation"[Mesh] AND ("Equipment Failure"[Mesh] OR "Dental Instruments/adverse effects"[Mesh] OR retained instrument) ...view in PubMed |
Comments on
The Evidence |
The authors performed a systematic review of the published literature. Two case-control studies were identified and included, covering 199 endodontic cases. Meta-analysis was performed. |
Applicability |
This evidence should be taken into account when considering the prognosis of a tooth with a retained endodontic instrument fragment. |
Specialty/Discipline |
(Endodontics) (General Dentistry) |
Keywords |
Retained endodontic instrument fragment
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ID# |
875 |
Date of submission: |
04/28/2011 Revised: 01/19/2012 |
E-mail |
browned@livemail.uthscsa.edu |
Author |
Eric Brown |
Co-author(s) |
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Co-author(s) e-mail |
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Faculty mentor/Co-author |
S. Thomas Deahl, II, DMD, PhD |
Faculty mentor/Co-author e-mail |
DEAHL@uthscsa.edu |
Basic Science Rationale
(Mechanisms that may account for and/or explain the clinical question, i.e. is the answer to the clinical question consistent with basic biological, physical and/or behavioral science principles, laws and research?) |
post a rationale |
None available | |
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Comments and Evidence-Based Updates on the CAT
(FOR PRACTICING DENTISTS', FACULTY, RESIDENTS and/or STUDENTS COMMENTS ON PUBLISHED CATs) |
post a comment |
by Brandon Pitcher & Nancy Quach (San Antonio, TX) on 10/03/2014 A PubMed search was conducted (Sept 2014) and a more recent article was found on the subject. McGuigan et al (2013) PMID 23518972 comes to the same conclusion that separated files do not significantly affect healing of periodical lesions. | |
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