Seven models for tendon repair simulation (urinary catheter, liquorice, fishing lure, dental rolls, drinking straw, silicone sealant and the authors' modification of silicone sealant with Micropore™ tape) were assessed for their performance in a number of domains. The silicone sealant and surgical tape model scored highest overall and for each individual domain. This was significantly higher than all other models with the exception of the silicone sealant alone. The lowest scoring model was the drinking straw model.
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http://dx.doi.org/10.1177/1753193421994470 | DOI Listing |
ACS Appl Mater Interfaces
December 2024
Complex Materials, Department of Materials, ETH Zürich, 8093 Zürich, Switzerland.
Silicones find use in a myriad of applications from sealants and adhesives to cooking utensils and medical implants. However, state-of-the-art silicone parts fall short in terms of shape complexity and reprocessability. Advances in three-dimensional printing and the discovery of vitrimers have recently opened opportunities for shaping and recycling of silicone objects.
View Article and Find Full Text PDFLangmuir
December 2024
Department of Chemistry, University of Michigan, Ann Arbor, Michigan 48109, United States.
Silicone sealants and adhesives are extensively used in construction, automotive, industrial, and electronic applications because they exhibit excellent mechanical properties, strong adhesion, and good weather resistance. Room-temperature vulcanized (RTV) silicones develop good adhesion to many substrates and do not require heat for curing, which leads to flexible use in many applications. Although it is known that various factors such as relative humidity and temperature affect the curing of the RTV silicone adhesives, the interfacial chemistry that occurs during the curing process is still poorly understood but critical for success in adhesive applications.
View Article and Find Full Text PDFAnn R Coll Surg Engl
September 2024
University of Oxford, UK.
Introduction: Simulation training can develop surgical procedural skills in a safe environment. Able to offer high-intensity exposure, simulation is increasingly important as working time for surgeons becomes more protected. Materials used in simulated tendon repair play a critical role in the fidelity and face validity of the model.
View Article and Find Full Text PDFPolymers (Basel)
July 2024
Facade Systems and Products Group, Construction Research Centre, National Research Council Canada, 1200 Montreal Rd, Ottawa, ON K1A 0R6, Canada.
The longevity of polymer-based sealant and jointing products, including elastomers, significantly depends on the level of exposure to sunlight and joint movement. These factors are particularly crucial in the application of polymers in construction due to their susceptibility to degradation under environmental conditions. For instance, diurnal cycles of contraction and dilation, arising from daily temperature fluctuations, impose significant stress on sealants and joints, impacting their durability over time.
View Article and Find Full Text PDFMedicine (Baltimore)
June 2024
Department of Stomatology, People's Hospital Affiliated to Shandong First Medical University, Jinan, Shandong, China.
To investigate the efficacy of 3 root canal sealants such as AH Plus, GuttaFlow and iRoot SP combined with warm gutta-percha vertical compression technique in the treatment of dental pulp disease. This was a single-center retrospective study. 180 patients with dental pulp disease were divided into AH Plus group (n = 60), GuttaFlow group (n = 60) and iRoot SP group (n = 60) according to the different treatment methods.
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