Results 71 to 80 of about 5,558,706 (307)

Adaptive Foam 3D Printing of Ultralight and Multifunctional Materials

open access: yesAdvanced Engineering Materials, EarlyView.
Adaptive foam 3D printing, enabled by expandable microspheres, imparts cellular structures to thermoplastic and thermosetting polymers, manufactured through a variety of processes including fused filament fabrication, direct ink writing, digital light processing, and inkjet printing.
Nariman Rajabifar, Amir Ameli
wiley   +1 more source

The effect of disinfectants on dimensional stability of addition and condensation silicone impressions [PDF]

open access: yesVojnosanitetski Pregled, 2014
Background/Aim. Dimensional stability and accuracy of an impression after chemical disinfection by immersion in disinfectants are crucial for the accuracy of final prosthetic restorations.
Sinobad Tamara   +6 more
doaj   +1 more source

Non‐Additive Criteria Assessment in Sustainability Evaluation of High Entropy Alloys: A Toxicity‐Weighted Framework

open access: yesAdvanced Engineering Materials, EarlyView.
Sustainability assessment requires methodologies that appropriately distinguish between additive and non‐additive material properties. A toxicity‐weighted scoring system is developed and applied that accounts for the disproportionate influence of highly toxic constituents through nonlinear weighting functions, providing more realistic estimates than ...
Seth Mehalic   +2 more
wiley   +1 more source

Comparison of impression techniques and double pouring by dental cast’s accuracy

open access: yesBrazilian Journal of Oral Sciences, 2019
Aim: This study compared impression techniques and double pouring by means of cast’s accuracy. Methods: For each patient (n=10), impressions from right maxillary canine to first molar were made with acrylic resin trays and vinyl-polysiloxane using one ...
Aion Mangino Messias   +4 more
doaj   +1 more source

Mishmash Impression Technique for Managing Maxillary Anterior Fibrous Ridge [PDF]

open access: yesJournal of Dental Materials and Techniques, 2018
Introduction: Flabby or fibrous ridge is one of the consequences of long term wearing of complete dentures. It can develop where hyperplasic soft tissue replaces the alveolar bone and is a common finding, particularly in the upper anterior region of long
Poonam Kulkarni   +3 more
doaj   +1 more source

Factors affecting infection control measures performed by dental workers

open access: yesJournal of Dental Sciences, 2023
Background/purpose: An understanding of self-protection related factors is important for dental infection control. This study aimed to investigate factors associated with personal self-protection in infection control among dental care workers.
Hsin-Chung Cheng   +3 more
doaj   +1 more source

Solubility of glass ionomer cement in various acidic beverages at different time intervals: an in vitro study [PDF]

open access: yes, 2022
Background: Glass Ionomer is a widely used cement in dentistry for luting and restoration purposes. This cement leaches a large amount of fluoride ions leading to an increase in the early solubility and disintegration in the oral fluids.
Alla, Rama Krishna   +7 more
core   +1 more source

Controlling Grain Growth in Powder Bed Fusion of Yttria‐Stabilized Zirconia Using Femtosecond Lasers: Challenges and Methodological Insights

open access: yesAdvanced Engineering Materials, EarlyView.
Binder‐free laser powder bed fusion of 8YSZ with a femtosecond laser is used to map process windows linking scan strategy, heat accumulation, and grain growth. Time‐resolved thermography and simulations reveal thermal regimes that enable continuous, vitrified, and fine‐grained 8YSZ surface layers without absorptive additives and demonstrate ...
Markus Kühn   +5 more
wiley   +1 more source

The dimensional accuracy of polyvinyl siloxane impression materials using two different impression techniques: An in vitro study

open access: yesThe Journal of Indian Prosthodontic Society, 2015
Aim of the Study: To evaluate and compare the linear dimensional changes of the three representative polyvinyl siloxane (PVS) impression materials and to compare the accuracy of single mix with double mix impression technique.
Nirmala Kumari, D B Nandeeshwar
doaj   +1 more source

Dental Amalgam Waste in Dentistry: Sources, Environmental Impact and Management Strategies [PDF]

open access: yes
Among the restorative materials, dental amalgam is one of the most commonly used due to its superior characteristics, including clinical durability, affordability, and clinically reliable properties.
Alla, Rama Krishna   +5 more
core   +1 more source

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