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Open AccessArticle

Mechanical and Morphological Effect of Plant Based Antimicrobial Solutions on Maxillofacial Silicone Elastomer

1
Loughborough Design School, Loughborough University, Loughborough, Leicestershire LE11 3TU, UK
2
Materials, Loughborough University, Loughborough, Leicestershire LE11 3TU, UK
*
Author to whom correspondence should be addressed.
Materials 2018, 11(6), 925; https://doi.org/10.3390/ma11060925
Received: 22 April 2018 / Revised: 25 May 2018 / Accepted: 25 May 2018 / Published: 30 May 2018
(This article belongs to the Collection Dental Biomaterials)
The objective of this study was to determine the effect of plant based antimicrobial solutions specifically tea tree and Manuka oil on facial silicone elastomers. The purpose of this in vitro study was to evaluate the effect of disinfection with plant extract solution on mechanical properties and morphology on the silicone elastomer. Test specimens were subjected to disinfection using tea tree oil, Manuka oil and the staphylococcus epidermidis bacteria. Furthermore, a procedure duration was used in the disinfection process to simulate up to one year of usage. Over 500 test specimens were fabricated for all tests performed namely hardness, elongation, tensile, tear strength tests, visual inspection and lastly surface characterization using SEM. A repeated measures ANOVA revealed that hardness and elongation at break varied significantly over the time period, whereas this was not observed in the tear and tensile strength parameters of the test samples. View Full-Text
Keywords: antimicrobial solution; mechanical testing; facial prostheses; tensile strength antimicrobial solution; mechanical testing; facial prostheses; tensile strength
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Tetteh, S.; Bibb, R.J.; Martin, S.J. Mechanical and Morphological Effect of Plant Based Antimicrobial Solutions on Maxillofacial Silicone Elastomer. Materials 2018, 11, 925.

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