ArticleRomanian journal of morphology and embryology = Revue roumaine de morphologie et embryologie
SEM evaluation of dental cement surface morphology and microbial adhesion - a comparative study.
Article in Romanian journal of morphology and embryology = Revue roumaine de morphologie et embryologie. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
This study aimed to compare the surface morphology and antimicrobial/antibiofilm behavior of three semi-permanent cements used in implantology: FOZ (zinc oxide-based), DT (resin-based), and CIS (glass ionomer), after aging in air and artificial saliva, and after exposure to clinically relevant oral microbial strains. Surface morphology and elemental composition were analyzed by scanning electron microscopy (SEM) and energy-dispersive X-ray spectroscopy (EDS), and antimicrobial and antibiofilm activity was quantified by determining the number of colony-forming units (CFU∕mL) for Gram-positive bacteria (Staphylococcus aureus, Enterococcus faecalis), Gram-negative bacteria (Escherichia coli, Pseudomonas aeruginosa), and fungi (Candida albicans, C. parapsilosis). FOZ exhibited a very rough surface rich in zinc, associated with the most pronounced reduction in microbial adhesion; CIS showed a relatively compact ionomer matrix with barium-rich domains and good antibiofilm activity, particularly against P. aeruginosa, while DT exhibited a predominantly organic, smooth surface with isolated inorganic aggregates and a more pronounced inhibition profile against E. coli. The results indicate that the microstructure and surface chemical composition of the cements directly influence the pattern of microbial colonization and antibiofilm efficacy, providing a rationale for selecting the cementing material based on microbiological risk and specific clinical conditions.
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