Template assisted surface microstructuring of flowable dental composites and its effect on microbial adhesion properties

Dental Materials : Official Publication of the Academy of Dental Materials
Nadja FrenzelKlaus D Jandt

Abstract

Despite their various advantages, such as good esthetic properties, absence of mercury and adhesive bonding to teeth, modern dental composites still have some drawbacks, e.g., a relatively high rate of secondary caries on teeth filled with composite materials. Recent research suggests that microstructured biomaterials surfaces may reduce microbial adhesion to materials due to unfavorable physical material-microbe interactions. The objectives of this study were, therefore, to test the hypotheses that (i) different surface microstructures can be created on composites by a novel straightforward approach potentially suitable for clinical application and (ii) that these surface structures have a statistically significant effect on microbial adhesion properties. Six different dental composites were initially tested for their suitability for microstructuring by polydimethylsiloxane (PDMS) templates. Each composite was light-cured between a glass slide and a microstructured PDMS template. The nano-hybrid composite Grandio Flow was the only tested composite with satisfying structurability, and was therefore used for the bacterial adhesion tests. Composites samples were structured with four different microstructures (flat, cubes, linear ...Continue Reading

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Citations

Oct 24, 2018·Journal of Materials Science. Materials in Medicine·Peng LiuKaiyong Cai
Feb 23, 2021·Journal of Prosthodontic Research·Ting WangKhaled Elsayed Ahmed
Aug 24, 2021·Journal of Prosthodontic Research·Ting WangKhaled Elsayed Ahmed
Nov 12, 2021·Microscopy Research and Technique·Rodolfo Xavier de Sousa-LimaBoniek Castillo Dutra Borges

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