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8 Results Found

  • Article
  • Open Access
5 Citations
5,874 Views
21 Pages

Gingival Displacement in the Vertical and Horizontal Dimension under the Condition of Mild Gingivitis—A Randomized Clinical Study

  • Katharina Kuhn,
  • David Zügel,
  • Victor-Sebastian A. Korbay,
  • Thomas Papas,
  • Sigmar Schnutenhaus,
  • Ralph G. Luthardt,
  • Jens Dreyhaupt and
  • Heike Rudolph

15 January 2022

This randomized clinical study aimed at quantifying the gingival displacement performance in the vertical and horizontal directions of the 3M™ Astringent Retraction Paste (3M Oral Care, Seefeld, Germany) in comparison with the double-cord techn...

  • Article
  • Open Access
8 Citations
3,878 Views
15 Pages

10 October 2019

This study investigates the mechanical and microstructural properties of paste comprising ordinary Portland cement (OPC) added with polyaluminum chloride (PACl). The properties of the resulting mixture are analyzed using compressive strength, X-ray d...

  • Article
  • Open Access
18 Citations
5,911 Views
27 Pages

Effect of Aluminum Oxide on the Performance of Ionic Liquid-Based Aluminum–Air Battery

  • Christopher Welch,
  • Abdul Kaleem Mohammad,
  • Narayan S. Hosmane,
  • Lu Zhang and
  • Kyu Taek Cho

17 April 2020

The aluminum–air (or oxygen) battery has received intense attention in the past because of its excellent benefits such as low cost and high energy density, but due to the challenging issues such as hydrogen evolution and inactive oxide film for...

  • Article
  • Open Access
13 Citations
2,896 Views
14 Pages

27 May 2020

This paper reports the electrical resistivity measurements on KOH-activated ground-granulated blast-furnace slag, which was mixed with deionized water or natural seawater at three different activator-to-binder ratios (0.4, 0.45, and 0.5). Compressive...

  • Article
  • Open Access
9 Citations
3,121 Views
18 Pages

Influence of the Gingival Condition on the Performance of Different Gingival Displacement Methods—A Randomized Clinical Study

  • Katharina Kuhn,
  • Heike Rudolph,
  • David Zügel,
  • Benjamin A. Just,
  • Michael Hrusa,
  • Thomas Martin,
  • Sigmar Schnutenhaus,
  • Jens Dreyhaupt and
  • Ralph G. Luthardt

22 June 2021

This randomized clinical study examined the influence of the gingival condition—healthy versus mild inflammation—on sulcus representation and possible gingival recession for two gingival displacement procedures prior to conventional impression making...

  • Feature Paper
  • Review
  • Open Access
39 Citations
6,753 Views
14 Pages

26 January 2022

For the sustainable development of construction materials, supplementary cementitious materials (SCMs) are commonly added to self-compacting concrete (SCC). This paper reviewed the application techniques and hydration mechanisms of SCMs in SCC. The i...

  • Article
  • Open Access
5 Citations
2,621 Views
24 Pages

The associated effect of sodium chloride and dihydrate gypsum on the mechanical performance of a slag-based geopolymer activated by quicklime was investigated by compressive strength, shrinkage, and square circle anti-cracking tests of mortar with a...

  • Feature Paper
  • Article
  • Open Access
3 Citations
1,758 Views
16 Pages

Preparation and Properties of Expansive Backfill Material Based on Municipal Solid Waste Incineration Fly Ash and Coal Gangue

  • Zhen Wang,
  • Honglin Liu,
  • Yuanxin Zhang,
  • Zhiwen Chen,
  • Rumeng Zhao,
  • Yongyong Jia,
  • Mingchao Yong and
  • Guodong Li

14 May 2024

To realize the large-scale utilization of municipal solid waste incineration (MSWI) fly ash in the field of building materials and to reduce the cost of coal mine backfill mining, the effects of the mixing ratio of cementitious materials, the particl...