AI Article Synopsis

  • Zirconia and resin are popular materials used for fixing teeth, but they have some problems like wearing down other teeth or not being very strong.
  • A new dental restoration called zirconia-resin interpenetrating phase composite (IPC) was created using 3D printing and special techniques to make it better.
  • Tests showed that these IPCs are strong and don't hurt other teeth as much, making them a great option for dental work in the future.

Article Abstract

Zirconia and resin are the most commonly utilized materials in dental restorations. However, zirconia presents significant wear on opposing teeth, whereas resin materials have low wear resistance and mechanical performances. A zirconia-resin interpenetrating phase composite (IPC) dental restoration was designed and fabricated using 3D printing and vacuum infiltration processes, incorporating zirconia scaffolds with triply periodic minimal surfaces (TPMS) structures. The mechanical and tribological performances of the IPCs were investigated through compressive and tribological experiments and finite element analysis, elucidating the influence of zirconia volumetric fraction. Results showed that IPCs exhibit excellent mechanical and tribological compatibilities, which can reduce the damage and wear of the antagonistic teeth. This designing and manufacturing strategy enables the IPC restorations with promising applications in dentistry.

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Source
http://dx.doi.org/10.1016/j.jmbbm.2024.106718DOI Listing

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