Lack of durability -- composite fillings wear out sooner than amalgam fillings (lasting at least five years compared with at least 10 to 15 for amalgams); in addition, they may not last as long as ...

Abrasion: Tooth wear caused by improper brushing or excessively forceful use of toothpicks or floss. ... old composite restorations and superficial stains and discolorations, ...

Now, in an in vitro study, researchers from Kings College London Dental Institute at Guy's Hospital in the U.K. have compared two means of selectively removing resin composite material from an enamel ...

Case presentation: This article describes two kinds of clinical cases including fractured teeth and dental caries. In both, a 3D-printed template was used for direct resin composite restoration of ...

Researchers wanted to see which CAD/CAM composites for molars were hardest and held up best after toothbrush abrasion testing. After putting six composites through rigorous testing, they discovered ...

Product: Thermal Erosion Tester Development Stage: Prototype Tested Primary Inventor: Sam Ramrattan PhD, Professor, Department of Industrial/ Manufacturing Engineering Scientific Publication: ...

Technical Fibre Products (TFP, Burneside, U.K.) reports that a recent study on the use of its aramid nonwoven materials in composite surfacing applications has demonstrated their effectiveness in ...

Belzona 1321, a ceramic-filled epoxy coating designed to protect against moderate abrasion, was applied to the entire casing internals as a priming coat, while Belzona 1812, an epoxy-based ...