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相关概念视频

Polymer Classification: Architecture01:14

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Polymers are classified as linear or branched on the basis of their chain architecture. The polymer chains in linear polymers have a long chain-like structure with minimal to no branching at all. Even if a polymer features large substituent groups on the monomer, which appear as branches to the skeleton, it is not considered a branched polymer. A branched polymer contains secondary polymer chains that arise from the main polymer chain. The branching occurs when the polymer growth shifts from...
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聚合物牙膏基础材料:一项审查

Ahmed Yaseen Alqutaibi1,2, Abdulmajeed Baik3, Sarah A Almuzaini3

  • 1Department of Substitutive Science, College of Dentistry, Taibah University, Al Madinah 41311, Saudi Arabia.

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概括

聚甲基甲酸 (PMMA) 是一种常见的假牙基材,但它有局限性. 研究重点是通过修改来增强其性能,以提高假牙性能和患者安全.

关键词:
假牙的基础材料是假牙的基础材料.聚合物是一种聚合物.假肢是一种假肢.

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科学领域:

  • 材料科学 材料科学 材料科学
  • 生物材料工程 生物材料工程
  • 牙修复 牙修复 牙修复 牙修复 牙修复

背景情况:

  • 牙膏基需要最佳的物理,机械,生物相容性和美学性能.
  • 聚甲基甲酸 (PMMA) 由于其可加工性,机械强度,成本效益和低毒性,被广泛用于假牙制造.

研究的目的:

  • 综合审查目前关于假牙基材 (DBM) 的知识.
  • 探索DBM的类型,特性,修改,应用和制造方法.
  • 更新有关最近发展的信息,并确定对DBMs的研究需求.

主要方法:

  • 在PubMed,Scopus和Embase数据库中的系统文献搜索.
  • 包括相关期刊在牙科材料,假牙和修复性牙科.
  • 专注于有关DBM变异,特性,应用和制造的英语研究.

主要成果:

  • 尽管PMMA具有优势,但它存在一些局限性,不能成为理想的生物材料.
  • 研究正在通过化学修饰和用纤维,纳米填充剂和混合材料加强PMMA的物理和机械性能.
  • 副作用需要研究改善DBMs的生物特性.

结论:

  • 虽然PMMA是普遍存在的假牙基材,但持续的研究对其改进至关重要.
  • 通过材料科学进行改进对于克服PMMA的局限性至关重要.
  • 需要对生物特性进行进一步的研究,以解决不良反应并确保患者的安全.