Results 61 to 70 of about 202,849 (356)

Elastic Energy Storage in Biological Materials: Internal Stresses and Their Functionality

open access: yesAdvanced Materials, EarlyView.
Harnessing and storing internally generated elastic energy is a clever strategy by biological materials to perform functions like shape transformation, movement, and predation. This review explores how biological systems manipulate mechanisms like atomic or protein integration into minerals, protein conformational shifts, phase transitions, and osmotic
Shahrouz Amini   +3 more
wiley   +1 more source

Electrically‐Driven 2D Semiconductor Microcavity Laser

open access: yesAdvanced Materials, EarlyView.
The first electrically‐driven 2D semiconductor microcavity laser is achieved at room temperature under AC voltage driving conditions. The demonstration of the compact 2D TMDC laser establishes a new area of research to assist with the implementation of diverse 2D material‐based practical photonic devices and integrated circuits in the future.
Zheng‐Zhe Chen   +8 more
wiley   +1 more source

Fracture Resistance of Compromised Endodontically Treated Teeth Restored with Bonded Post and Cores: An in Vitro Study [PDF]

open access: yes, 2015
Statement of problem: It is unclear which post and core system performs best when bonded to severely compromised endodontically treated teeth. Purpose: The purpose of this study was to investigate the fracture resistance and mode of failure of severely ...
Kontogiorgos, Elias D.   +2 more
core   +2 more sources

Root Resorption in Relation to Orthodontic Tooth Movement [PDF]

open access: yesActa Medica (Hradec Kralove, Czech Republic), 2006
Root resorption is an undesirable sequela of orthodontic tooth movement. The odontoclasts are responsible for root resorption and the process of hyalinization is known to preceed the orthodontic root resorption. It is found that there are several predisposing factors, therefore an evaluation of these factors should be done by careful examination of ...
Zdeněk Hofman, Chaitra Ramanathan
openaire   +3 more sources

An Anti‐Myd88 Peptide Synergistically Enhances the Anti‐Inflammatory Effects of Extracellular Vesicles from Naïve Umbilical Cord MSC or HEK293F CD24 Overexpressing Cells

open access: yesAdvanced Materials Interfaces, EarlyView.
This study confirms that extracellular vesicles (EVs) derived from mesenchymal stem cells (MSCs) or HEK293F cells overexpressing CD24 have anti‐inflammatory effects in macrophages and monocytes. Further loading either of these EVs with an anti‐Myd88 peptide synergistically enhanced the anti‐inflammatory effects of the EVs.
Burçin İrem Abas   +6 more
wiley   +1 more source

Antagonistic interaction between Ezh2 and Arid1a coordinates root patterning and development via Cdkn2a in mouse molars

open access: yeseLife, 2019
Patterning is a critical step during organogenesis and is closely associated with the physiological function of organs. Tooth root shapes are finely tuned to provide precise occlusal support to facilitate the function of each tooth type.
Junjun Jing   +9 more
doaj   +1 more source

Possibilities of cone-beam computed tomography in the diagnosis of longitudinal fractures of the roots of teeth

open access: yesЭндодонтия Today, 2020
A vertical fracture of the tooth root, which is not diagnosed in time, may lead to periodontitis. On the other hand, if the root fracture is diagnosed, whereas in fact it is not, then the patient will remove the tooth on the basis of an error in the ...

doaj   +1 more source

Outcomes of Primary Endodontic Therapy Provided by Endodontic Specialists Compared to Other Providers [PDF]

open access: yes, 2016
Introduction: The objective of this study was to compare the outcomes of initial non-surgical root canal therapy (NSRCT) for different tooth types provided by both endodontists and other providers.
Burry, Jacob
core   +1 more source

Induced Ankylosis of a Primary Molar for Skeletal Anchorage in the Mandible as Alternative to Mini-Implants [PDF]

open access: yes, 2015
Background Mesial protraction of mandibular posterior teeth requires increased anchorage to avoid undesired tooth movements. Orthodontic mini-implants have become a popular and successful way to increase skeletal anchorage in such cases.
Angelopoulou, Matina V.   +3 more
core   +2 more sources

Toward Wireless Implantable Robotic Systems Driven by Magnetic Field for Personalized Therapy

open access: yesAdvanced Robotics Research, EarlyView.
Robotic materials are playing an increasingly vital role in enabling sensing and actuation at small scales. This perspective highlights recent advances in magnetic materials and magnetically actuated devices for wireless sensing, actuation, and energy harvesting toward implantable robotic systems for closed‐loop therapy.
Yusheng Wang, Ruijian Ge, Xiaoguang Dong
wiley   +1 more source

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