An In Vitro Analysis of Fracture Strength of Various Bulk Fill Flow able Composite Resins
Journal Title: IOSR Journal of Dental and Medical Sciences (IOSR-JDMS) - Year 2018, Vol 17, Issue 2
Abstract
An in vitro analysis of fracture strength of various bulk fill flowable composite resins The use of resin composites in restoring extensive cavities reinforces dental stiffness. Ihe adhesive nature of composites binds the cusps and decreases their flexion, which is the main cause of fracture. The biomechanical preparation of the root canals in extracted human maxillary premolars was done. Afterobturation, all samples were subjected to standardized mesio-occluso-distal (MOD) cavities preparation.All experimental specimens were randomly divided into four groups (n = 20) and restored with different flowable composite resins: Surefil SDR flow (Dentsply, York, PA, USA), TetricEvo flow bulk fill (lvoclarvivadent), Filtek bulk fill (3M ESPE) &Xtra base (voco).After finishing the restoration, a groove 3 mm wide and 1 mm deep was prepared on the occlusal surface of the restorations between the cusp tips from a buccal to lingual direction. The fracture strength was determined by Universal testing machine.Highest fracture strength was obtained by Surefillbulkfill composite resin. Inserting a ribbon fiber in composite restorations in root-filled premolar teeth increased fracture strength.
Authors and Affiliations
Ruchi Gupta, Anil Tomer, Shobhit Pyasi
Keywords
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- EP ID EP580449
- DOI 10.9790/0853-1702054044.
- Views 54
- Downloads 0
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