Journal of Conservative Dentistry
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Year : 2021  |  Volume : 24  |  Issue : 6  |  Page : 558-562

Postspace pretreatment with 17% ethylenediamine tetraacetic acid, 7% maleic acid, and 1% phytic acid on bond strength of fiber posts luted with a self-adhesive resin cement

Department of Conservative Dentistry and Endodontic, Bangalore Institute of Dental Sciences and Hospital, Bengaluru, Karnataka, India

Correspondence Address:
Dr. Priya C Yadav
#6/44, 3rd Cross, Old Guddadahalli, Vinayakanagar, Mysore Road, Bengaluru-560 026, Karnataka
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/jcd.jcd_489_21

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Context: Pretreatment of radicular dentin with chelating agents improves the bond strength of fiber-posts luted with a self-adhesive resin cement. Aims: The aim of this study was to assess the effects of the three chelating agents as final rinse of the postspace on bond strength of fiber posts luted with a self-adhesive resin cement. Settings and Design: This is an in vitro laboratory study. Materials and Methods: Forty-five mandibular premolars were prepared using MTwo rotary system and irrigation was done with 2.5% sodium hypochlorite. Three groups of teeth samples were considered for postspace preparation and irrigated with different solutions: Group 1: 17% ethylenediamine tetraacetic acid (EDTA); Group 2: 7% Maleic acid; Group 3: 1% Phytic acid. This was followed by the luting the posts with RelyX U200. After a week, from each sample, 2 mm thick slices were obtained from each third of the root and subjected to push-out bond strength testing. Statistical Analysis Used: One-way analysis of variance and Bonferroni's Post hoc analysis was used for assessing the results. The statistical significance level was set at P < 0.05. Results: Bond strength values were improved with maleic acid and phytic acid pretreatment with slight or no significant difference between these groups. A final rinse of postspace with EDTA significantly reduced the bond strength. Conclusions: Maleic acid (7%) pretreatment of postspace improved the adhesion of fiber posts luted with a self-adhesive resin cement.

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