Post endodontic pain following single-visit root canal preparation with rotary vs reciprocating instruments: a meta-analysis of randomized clinical trials

In endodontic therapy, continuous rotary instrumentation reduced debris compared to reciprocal instrumentation, which might affect the incidence of post-endodontic pain (PP). The aim of our study was to assess whether PP incidence and levels were influenced by the choice of rotary or reciprocal inst...

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Bibliographic Details
Published in:BMC oral health 2017-05, Vol.17 (1), p.86-86, Article 86
Main Authors: Hou, Xiao-Mei, Su, Zheng, Hou, Ben-Xiang
Format: Article
Language:English
Subjects:
Analgesics
Bias
Clinical trials
Dental High-Speed Equipment
Dentistry
Endodontic instruments
Endodontic therapy
Endodontics
Evidence-based medicine
Humans
Incidence
Meta-analysis
Pain
Pain Measurement
Pain, Postoperative - etiology
Post-endodontic pain
Randomized Controlled Trials as Topic
Reciprocal
Root Canal Preparation - instrumentation
Root canals
Rotary
Titanium
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Summary:In endodontic therapy, continuous rotary instrumentation reduced debris compared to reciprocal instrumentation, which might affect the incidence of post-endodontic pain (PP). The aim of our study was to assess whether PP incidence and levels were influenced by the choice of rotary or reciprocal instruments. In this meta-analysis the Pubmed and EM databases were searched for prospective clinical randomized trials published before April 20, 2016, using combinations of the keywords: root canal preparation/instrumentation/treatment/therapy; post-operative/endodontic pain; reciprocal and rotary instruments. Three studies were included, involving a total of 1,317 patients, 659 treated with reciprocating instruments and 658 treated with rotary instruments. PP was reported in 139 patients in the reciprocating group and 172 in the rotary group. The PP incidence odds ratio was 1.27 with 95% confidence interval (CI) (0.25, 6.52) favoring rotary instruments. The mild, moderate and severe PP levels odds ratios were 0.31 (0.11, 0.84), 2.24 (0.66, 7.59) and 11.71 (0.63, 218.15), respectively. No evidence of publication bias was found. Rotary instrument choice in endodontic therapy is associated with a lower incidence of PP than reciprocating instruments, while reciprocating instruments are associated with less mild PP incidence.
ISSN:1472-6831
1472-6831
DOI:10.1186/s12903-017-0355-8