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European Journal of Prosthodontics and Restorative Dentistry

Acrylic Reinforcement with Off the Shelf Perforated Metal Plates

Abstract

ABSTRACT
To evaluate the effect of Dentaurum Grid Strengthener on flexural strength and modulus of two types of PMMA, 24 beams(75 mm x 10 mm x 2.5 mm) containing bonded and flattened Grid Strengthener and 24 beams without Grid Strengthener were subjected to a 3-point bending test at 5 mm/min. Flexural strength and modulus were calculated. Data were analyzed with a 2-way ANOVA. The highest mean strength and flexural modulus was measured for reinforced high impact resin (96.2±14.3 MPa and 3425±779 MPa, respectively). For flexural strength and modulus, resin and reinforcement had a significant effect. Clinical Relevance: Independent of the resin used, the incorporation of a grid strengthener increases the strength and modulus, thus the fracture probability of dentures is reduced.

Keywords
PMMA
Reinforcement
High Impact
Metal Plate

Authors

Prof. Chiayi Shen, Prof. Jean-Francois Roulet, Dr Nader Abdulhameed

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