The influence of methodological variables on the push-out resistance to dislodgement of root filling materials: a meta-regression analysis

International Endodontic Journal
Fabrício Mezzomo CollaresS M W Samuel

Abstract

The aim of this systematic review was to evaluate the influence of several methodological variables on the push-out resistance to dislodgment of root filling materials by a meta-regression analysis of the literature. A systematic review was performed by searching the PubMed database using the terms 'push-out' and 'pushout'. Laboratory studies published before March 2015 were included. Two reviewers extracted data regarding country of origin, year of publication, tooth type, smear layer removal, root canal sealer, core material, obturation technique, sample storage, tooth portion, test machine load velocity and slice thickness. Pooled mean resistance to dislodgement of all groups from the included studies was used in a linear meta-regression of random effects (α = 0.05). Of the 850 identified studies, 53 met the inclusion criteria. A meta-regression of the 341 groups extracted from these articles was performed to analyse the influence of each variable on resistance to dislodgement (in MPa). The sealer, core material, obturation technique, slice thickness, storage time, load velocity and tooth portion significantly influence the results (P < 0.05). Irrigant solution and smear layer removal did not influence the resistance to disl...Continue Reading

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Citations

Apr 14, 2016·Journal of Endodontics·Ibrahim Ethem Yaylali, Tayfun Alaçam
Dec 13, 2019·European Journal of Oral Sciences·Bahram RanjkeshHenrik Løvschall
Apr 27, 2019·Clinical Oral Investigations·Flávia Veronezi RostirollaFabrício Mezzomo Collares
Aug 22, 2018·Head & Face Medicine·David DonnermeyerTill Dammaschke
Jul 30, 2020·European Journal of Dentistry·Rayan B YaghmoorGhaeth H Yassen
Oct 30, 2020·Clinical Oral Investigations·Elena Rebolloso de BarrioJuan José Pérez-Higueras
Sep 10, 2021·Australian Endodontic Journal : the Journal of the Australian Society of Endodontology Inc·Carla M AugustoLuciana M Sassone

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