Results 31 to 40 of about 158,601 (290)

A Literature Review of Stainless Steel Crown for Permanent Molars: Indications, Survival, Periodontal and Radiographic Findings [PDF]

open access: yesJournal of Dentistry
Stainless steel crowns (SSCs) are the preferred choice for restoring primary molars with extensive caries. However, they may be indicated for permanent molars in certain cases as well.
Pooya Vatankhah   +2 more
doaj   +1 more source

Accuracy of digital bitewing radiographs with and without applying horizontal tube shift in the diagnosis of residual excess cement around dental implants: An in vitro study

open access: yesJournal of Oral Research, 2021
Purpose: This study was designed to evaluate the diagnostic value of digital Bitewing (BW) radiographs with and without horizontal tube shift in detecting Residual excess cement (REC) on the proximal and non-proximal surfaces of implant restorations ...
Zahra Dalili Kajan   +4 more
doaj   +1 more source

Resistance to Fracture of Two All-Ceramic Crown Materials Following Endodontic Access [PDF]

open access: yes, 2006
Statement of problem There is currently no protocol for managing endodontic access openings for all-ceramic crowns. A direct restorative material is generally used to repair the access opening, rendering a repaired crown as the definitive restoration ...
Berzins, David W.   +5 more
core   +1 more source

Selective Benzene Capture by Metal‐Organic Frameworks

open access: yesAdvanced Functional Materials, EarlyView.
Metal‐organic frameworks (MOFs) hold significant potential for capturing benzene from air emissions and hydrocarbon mixtures in liquid phases. This capability stems from their precisely engineered structures, versatile chemistries, and diverse binding interactions.
Zongsu Han   +4 more
wiley   +1 more source

Surface and fracture properties of lithium disilicate and resin-Matrix CAD/CAM ceramics

open access: yesSaudi Dental Journal
Purpose To characterize hardness and fracture toughness of ceramic CAD/CAM materials with different composition (IPS e.max CAD and MAZIC Duro) and thicknesses (1mm and 1.5mm). Materials and methods Blocks of CAD/CAM esthetic restorative materials (IPS e.
Ayat G. Montaser   +6 more
doaj   +1 more source

Stratum change of Drapetisca socialis re-examined (Araneae, Linyphiidae) [PDF]

open access: yes, 2013
It has been widely accepted that the biology of Drapetisca socialis includes a pronounced stratum change of this species from the forest soil into the crowns of beech trees. On old pine trees, however, D.
Simon, Ulrich
core  

Fracture resistance of zirconia-composite veneered crowns in comparison with zirconia-porcelain crowns. [PDF]

open access: yes, 2017
The objectives were to evaluate the fracture resistance and stress concentration in zirconia/composite veneered crowns in comparison to zirconia/porcelain crowns using occlusal fracture resistance and by stress analysis using finite element analysis ...
Alsadon, O.   +4 more
core   +1 more source

Flexibility and Dynamicity Enhances and Controls Supramolecular Self‐Assembly of Zinc(II) Metallogels

open access: yesAdvanced Functional Materials, EarlyView.
Zinc(II) coordination complexes with tunable aryloxy‐imine ligands exhibit controllable supramolecular self‐assembly into hierarchical fibrous structures. Coordination‐driven stacking, not π–π interactions, enables gelation, dynamic assembly/disassembly, and enhanced nanomechanical properties.
Merlin R. Stühler   +10 more
wiley   +1 more source

Comparative Evaluation of Fracture Toughness and Marginal Adaptation of PEEK and Cast Metal Crowns for Restoring Posterior Teeth with Endocrown and Richmond Crown: An In Vitro Study [PDF]

open access: yesInternational Journal of Prosthodontics and Restorative Dentistry
Purpose: The purpose of this study was to evaluate and compare the fracture toughness and marginal adaptation of polyether ether ketone (PEEK) and cast metal crowns for restoring posterior teeth using the endocrown and Richmond crown techniques ...
Charnpreet Singh   +4 more
doaj   +1 more source

Graphocrown—A Novel, Two-Dimensional Oxocarbon: A Theoretical Study

open access: yesCrystals, 2023
An innovative 2D-material, graphocrown, was designed and studied. Our graphocrown computations revealed a higher stability compared to previous materials studied with the same generalized C2O formula.
Mikhail A. Kalinin   +3 more
doaj   +1 more source

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