Results 31 to 40 of about 144,092 (145)

Enhancement of Tech‐Sil25 Maxillofacial Silicone Mechanical Properties after Artificial Weathering through Addition of Nanoparticles

International Journal of Dentistry, Volume 2022, Issue 1, 2022., 2022
Purpose. To evaluate the effect of nanosilica and nanoalumina addition in Tech‐sil25 maxillofacial silicone before and after exposure to artificial weathering conditions. Materials and Methods. A total of 144 samples were divided into four groups, a control group (n = 12) and three test groups, nanosilica (NS) (n = 36), nanoalumina (NA) (n = 36), and a
Shahad Fadhil Bunyan, Fatanah Mohamad Suhaimi, Faraedon Mohidden Mostafa Zardawi, Siti Noor Fazliah Mohd Noor, Muhammad Azrul Zabidi, Andrea Scribante   +5 more
wiley   +1 more source

Porosities and bonding of maxillofacial silicone with embedded glass fibre-bundles

, 2008
Purpose. There are two null hypotheses: including mechanical mixing under vacuum will not reduce porosity (hypothesis 1),and pull-out strength of glass fiber-bundles embedded into maxillofacial silicone elastomer is not affected by interfacial pores ...
Hatamleh, MM, Watts, DC.; id_orcid
core   +4 more sources

Main Applications and Recent Research Progresses of Additive Manufacturing in Dentistry

BioMed Research International, Volume 2022, Issue 1, 2022., 2022
In recent ten years, with the fast development of digital and engineering manufacturing technology, additive manufacturing has already been more and more widely used in the field of dentistry, from the first personalized surgical guides to the latest personalized restoration crowns and root implants.
Gan Huang, Libo Wu, Jie Hu, Xiongming Zhou, Fei He, Li Wan, Shu-Ting Pan, Fernanda Faot   +7 more
wiley   +1 more source

Effects of Disinfection Methods on the Color Stability of Precolored and Hand‐Colored Maxillofacial Silicone: An In Vitro Study

International Journal of Biomaterials, Volume 2022, Issue 1, 2022., 2022
Maxillofacial prostheses are used in rehabilitation of patients with facial defects. Typically, these prostheses are fabricated with medical grade silicone and are tinted corresponding to the patients’ natural skin color. However, exposure to environment and disinfectants can result in color changes.
Natdhanai Chotprasert, Binit Shrestha, Kawin Sipiyaruk, Fu-Gen Wu   +3 more
wiley   +1 more source

Evaluating the Peel Bond Strength of Polymethylmethacrylate and Maxillofacial Silicone Elastomer Reinforced with Titanium Oxide Nanoparticles: A Comparative In-vitro Study [PDF]

Journal of Clinical and Diagnostic Research
Introduction: Maxillofacial prostheses typically last around six months. The facial prostheses are usually provided with an acrylic substructure. This aids in enhanced retention and stability of silicone material.
Shruti Varma, Deeksha Gupta, Sonal Mehta, Dhwani Patel   +3 more
doaj   +1 more source

3D Printing of Physical Organ Models: Recent Developments and Challenges

Advanced Science, Volume 8, Issue 17, September 8, 2021., 2021
3D printing technologies allows simple and convenient manufacturing of multifunctional organ models, which has been an emerging direction of 3D printing in medicine. Herein, the current methods and recent advancements in 3D printing of organ models are reviewed, with focus on improving the performance and cost effectiveness.
Zhongboyu Jin, Yuanrong Li, Kang Yu, Linxiang Liu, Jianzhong Fu, Xinhua Yao, Aiguo Zhang, Yong He   +7 more
wiley   +1 more source

A Novel Tension Machine Promotes Bone Marrow Mesenchymal Stem Cell Osteoblastic and Fibroblastic Differentiation by Applying Cyclic Tension

Stem Cells International, Volume 2021, Issue 1, 2021., 2021
Bone marrow mesenchymal stem cells (BMSCs) are intraosseous stem cells, and the effects of tensile strain on BMSC differentiation mediate several bone‐related treatments. To study the response of BMSCs under tension, we designed and developed a small cellular tension instrument, iStrain.
Yi Zhao, Yiping Huang, Lingfei Jia, Ruoxi Wang, Kuang Tan, Weiran Li, Francesca Posa   +6 more
wiley   +1 more source

Cigarette Staining and Cleaning of a Maxillofacial Silicone [PDF]

, 1983
In this study, a maxillofacial silicone elastomer was stained with cigarette smoke. The stain was then removed by solvent extraction using 1,1, 1-trichloroethane.
A. Koran, Craig, Robert G., R.G. Craig, R. Yu, Koran, Andrew, Raptis, C. N., Yu, Po-Wen, C.N. Raptis   +7 more
core   +1 more source

EVALUATION OF INTRINSIC COLOR STABILITY OF FACIAL SILICONE ELASTOMER REINFORCED WITH DIFFERENT NANOPARTICLES [PDF]

Alexandria Dental Journal, 2016
NTRODUCTION: Maxillofacial defects are located in a highly visible body area that is identified with one’s identity. An aesthetic and comfortable maxillofacial prosthesis relieves many concerns of the patient and may improve quality of life.
Abushelib Moustafa N., Alshimy Ahmad M., Eltayyar Nada H.   +2 more
doaj   +1 more source

Hybrid Chitosan–TiO₂ Nanocomposite Impregnated in Type A-2186 Maxillofacial Silicone Subjected to Different Accelerated Aging Conditions: An Evaluation of Color Stability

Nanomaterials, 2023
This study explores the impact of the incorporation of a chitosan–TiO2 nanocomposite on the color stability of pigmented room-temperature vulcanization maxillofacial silicone under various accelerated aging conditions.
Faten K. Al-Kadi, Jwan F. Abdulkareem, Bruska A. Azhdar   +2 more
doaj   +1 more source