Can I read In Vitro Study of Fracture Strength and Marginal Adaptation of Polyethylene-fibre-reinforced-composite Versus Glass-fibre-reinforced-composite Fixed Partial Dentures on EtoBox?

In Vitro Study of Fracture Strength and Marginal Adaptation of Polyethylene-fibre-reinforced-composite Versus Glass-fibre-reinforced-composite Fixed Partial Dentures by C. Kolbeck; M. Rosentritt; M. Behr; R. Lang; G. Handel is a Dentistry article available to read on EtoBox.

What is In Vitro Study of Fracture Strength and Marginal Adaptation of Polyethylene-fibre-reinforced-composite Versus Glass-fibre-reinforced-composite Fixed Partial Dentures about?

This __in vitro__ study was carried out in order to estimate the clinical usability of adhesively luted three‐unit posterior fixed partial dentures (FPD) made of a polyethylene‐fibre‐reinforced‐composite system (PFRC) in comparison with a glass‐fibre‐reinforced‐composite system (GFRC). Therefore the fracture strength and marginal adaptation were examined. A total of 16 FPDs of each material combination were manufactured and adhesively luted to human molars. Before and after an artificial ageing process by thermal cycling and mechanical loading (TCML) the quality of the marginal adaptation was examined by evaluating epoxy replicas in a scanning electron microscope (SEM). After TCML the fracture strength of eight FPDs of each series was tested by mechanical loading them to failure. With the remaining eight FPDs the quality of deeper layers of the luting was examined with a dye penetration technique. The calculated median fracture strength values (25/75% percentiles) were 830 N (643/982) for the PFRC and 884 N (684/1113) for the GFRC. The SEM analysis showed at least 80% of perfect marginal areas for both material combinations in dentine as well as in enamel before and after TCML. Loo

Who reads In Vitro Study of Fracture Strength and Marginal Adaptation of Polyethylene-fibre-reinforced-composite Versus Glass-fibre-reinforced-composite Fixed Partial Dentures?

Author

C. Kolbeck; M. Rosentritt; M. Behr; R. Lang; G. Handel

Publisher

John Wiley and Sons; Wiley (Blackwell Publishing); Blackwell Publishing Inc.; Wiley (ISSN 0305-182X)

Published

2002

Language

EN

Field

Dentistry (Health Sciences)