What question did this study set out to answer?

The research aims to understand how surface polishing affects the properties of an LCD-printed denture base polymer.

April 3, 2026Scientific ReportsOpen Access

Effect of surface polishing on roughness, biofilm formation, and biocompatibility of LCD-printed denture base polymer

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This investigation reveals that polishing reduces biofilm formation in denture base polymers, indicating improved hygiene.

The research aims to understand how surface polishing affects the properties of an LCD-printed denture base polymer.
Fabricated disc-shaped LCD-printed polymer samples.
Assigned samples to polished and not polished groups for comparison.
Measured surface roughness using profilometry and SEM.
Conducted mechanical performance assessments using compressive stress testing and contact angle measurements.
Performed biological assays for biofilm formation, cytotoxicity, and protein adsorption.
Polishing significantly reduced surface roughness to an acceptable threshold.
No significant difference in mechanical properties like Young's modulus between polished and not polished samples.
Polished samples showed higher water contact angles indicating better wettability.
Reduced C. albicans metabolism and coverage observed on polished surfaces, but CFU counts were similar.
Cytotoxicity tests indicated 100% cell viability over time in both polished and not polished groups.

Ferro et al. (2026) studied this question.

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