Polytetrafluoroethylene tape spacer for direct splinted teeth-supported provisional restoration: A dental technique

Provisional restoration is essential for function, esthetics, trikes occlusion, and tissue health.However, when multiple teeth are involved, making a direct splinted provisional restoration could be challenging due to the combined undercuts between the prepared teeth.This article describes a dental technique using polytetrafluoroethylene (PTFE) tap

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Metasurfaces and their applications

Metasurfaces are a topic of significant research and are used in various applications due to their unique ability to manipulate electromagnetic waves in microwave and optical frequencies.These artificial sheet materials, which are usually composed of metallic patches or dielectric etchings in planar or multi-layer configurations with subwavelength

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