The Effect of Cigarettes Smoke on the Color and Properties of a Silicone for Maxillofacial Prostheses

IF 3.2 4区 医学 Q2 ENGINEERING, BIOMEDICAL
Anca Irina Gradinariu, Carmen Racles, Carmen Gabriela Stelea, Iuliana Stoica, Mihaela Silion, Cristian-Dragos Varganici, Tudor Pinteala, Alina Elena Jehac, Ana-Maria Andreea Simionescu, Victor Vlad Costan
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Abstract

Although deterioration of silicone maxillofacial prostheses is severely accentuated in smoking patients, the phenomenon has not been systematically studied. To address a gap in the literature concerning the stability of maxillofacial prostheses during service, in this contribution, the effect of cigarette smoke on the aspect and physical properties of M511 silicone elastomer was evaluated. The aspect, surface, and overall properties of the silicone material, pigmented or not, were followed by AFM, color measurements, FTIR, water contact angle measurements, TGA-DTG and DSC, hardness and compression stress–strain measurements. The types of the contaminants adsorbed were assessed by XRF, ESI-MS, MALDI-MS, and NMR spectral analyses. Important modifications in color, contact angle, surface roughness, local mechanical properties, and thermal properties were found in the silicone material for maxillofacial prostheses after exposure to cigarettes smoke. The presence of lead, nicotine, and several other organic compounds adsorbed into the silicone material was emphasized. Slight decrease in hardness and increase in Young's modulus was found. The combined data show important impact of cigarette smoke on the silicone physical properties and could indicate chemical transformations by secondary cross-linking. To our knowledge, this is the first study making use of complementary physical methods to assess the effect of cigarette smoke on the aspect and integrity of silicone materials for maxillofacial prostheses.

Abstract Image

香烟烟雾对颌面部假体硅胶颜色和性能的影响
虽然硅树脂颌面修复体在吸烟患者中会严重老化,但尚未对这一现象进行系统研究。为了填补有关颌面修复体在使用过程中稳定性的文献空白,本文评估了香烟烟雾对 M511 硅树脂弹性体的外观和物理性质的影响。通过原子力显微镜、色度测量、傅立叶变换红外光谱、水接触角测量、TGA-DTG 和 DSC、硬度和压缩应力应变测量,对硅胶材料(无论是否添加颜料)的外观、表面和整体特性进行了跟踪研究。通过 XRF、ESI-MS、MALDI-MS 和 NMR 光谱分析评估了吸附的污染物类型。结果发现,颌面部假体硅胶材料在接触香烟烟雾后,颜色、接触角、表面粗糙度、局部机械性能和热性能都发生了重要变化。结果表明,硅胶材料中吸附了铅、尼古丁和其他一些有机化合物。研究还发现,硅胶材料的硬度略有下降,而杨氏模量则有所上升。综合数据表明,香烟烟雾对硅胶的物理性质有重要影响,并可能表明硅胶通过二次交联发生了化学变化。据我们所知,这是第一项利用互补物理方法评估香烟烟雾对颌面部假体硅胶材料的外观和完整性影响的研究。
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来源期刊
CiteScore
7.50
自引率
2.90%
发文量
199
审稿时长
12 months
期刊介绍: Journal of Biomedical Materials Research – Part B: Applied Biomaterials is a highly interdisciplinary peer-reviewed journal serving the needs of biomaterials professionals who design, develop, produce and apply biomaterials and medical devices. It has the common focus of biomaterials applied to the human body and covers all disciplines where medical devices are used. Papers are published on biomaterials related to medical device development and manufacture, degradation in the body, nano- and biomimetic- biomaterials interactions, mechanics of biomaterials, implant retrieval and analysis, tissue-biomaterial surface interactions, wound healing, infection, drug delivery, standards and regulation of devices, animal and pre-clinical studies of biomaterials and medical devices, and tissue-biopolymer-material combination products. Manuscripts are published in one of six formats: • original research reports • short research and development reports • scientific reviews • current concepts articles • special reports • editorials Journal of Biomedical Materials Research – Part B: Applied Biomaterials is an official journal of the Society for Biomaterials, Japanese Society for Biomaterials, the Australasian Society for Biomaterials, and the Korean Society for Biomaterials. Manuscripts from all countries are invited but must be in English. Authors are not required to be members of the affiliated Societies, but members of these societies are encouraged to submit their work to the journal for consideration.
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