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Related Concept Videos

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The porosity of concrete is a measure of the void spaces within its structure. These spaces impact its strength and durability significantly. When water and cement interact, a chemical reaction called hydration creates a semi-solid paste. This paste includes combined water, making up approximately 23% of the cement's dry mass, and gel water, which fills minuscule voids known as gel pores, accounting for about 28% of the cement gel volume.
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Portland blast-furnace cement is made by blending Portland cement clinker with granulated blast-furnace slag, which accounts for 25 to 65 percent of the cement's weight. Despite its similarities to ordinary Portland (Type I) cement in terms of fineness and setting times, its early strength is lower, though it achieves comparable strength later on. It's particularly suited for mass concrete structures and marine environments due to its lower heat of hydration and superior sulfate...
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Portland cement is the essential binding ingredient in concrete, made from finely ground materials including lime, iron, silica, and alumina. Lime is derived primarily from limestone, marble, marl, seashells, and clays, which also supply iron and alumina, while silica is sourced from sand, chalk, and bauxite. Contemporary manufacturing of Portland cement is a significant source of carbon dioxide emissions, prompting research into reducing its content in concrete through alternative...
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Paediatric endodontics. Part. 1: Portland Cements Apical Plug.

V Campanella1, V Di Taranto1, M Beretta2

  • 1Department of Clinical Sciences and Traslational Medicine, Dental School, University of Rome "Tor Vergata", Rome, Italy.

European Journal of Paediatric Dentistry
|September 7, 2020
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Summary
This summary is machine-generated.

This study explores using Portland cement as an apical plug for treating necrotic immature teeth. It highlights the challenges and importance of achieving a good seal for successful endodontic treatment in these vulnerable teeth.

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Area of Science:

  • Endodontics
  • Dental Materials Science
  • Regenerative Dentistry

Background:

  • Necrotic immature permanent teeth present unique endodontic challenges due to complex anatomy and bacterial infection.
  • Achieving a durable apical and coronal seal is critical for long-term endodontic treatment success.
  • Immature permanent teeth have compromised fracture resistance because root development is incomplete.

Purpose of the Study:

  • To evaluate the efficacy of Portland cement as an apical plug in treating necrotic immature permanent anterior teeth.
  • To address the need for effective and biocompatible sealing techniques in challenging endodontic cases.

Main Methods:

  • Treatment of necrotic immature permanent anterior teeth.
  • Application of Portland cement as an apical plug.
  • Focus on achieving an effective and biocompatible apical seal.

Main Results:

  • Portland cement was utilized as an apical plug material.
  • The study addresses the challenges posed by immature root anatomy and bacterial presence.
  • Emphasis on obtaining a successful apical seal.

Conclusions:

  • Effective apical sealing is paramount for the success of endodontic treatment in necrotic immature teeth.
  • Portland cement offers a potential material for creating a biocompatible apical seal in these cases.
  • Further research is needed to fully understand the long-term outcomes and implications for fracture resistance.