A bi-layered coating of nanofluroapatite/nanochitosan to improve antimicrobial and biological properties of zirconia-based dental implant

August 7, 2026Biomedical MaterialsOpen Access

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Key Points

To synthesize a bi-layered nFA/nCS coating to improve the osseointegration and antimicrobial properties of zirconia dental implants.
Zirconia discs coated using sol-gel method
Coating integrity assessed by X-ray, AFM, FE-SEM-EDS
Antimicrobial activity tested against S. aureus and E. coli, cytotoxicity assessed using osteoblast-like cells.
Coating thickness measured at 9.26 μm and adhesion strength of 0.50 ±1.1 N/mm
Coated samples exhibited decreased water contact angle to 5° and increased surface roughness to 121.3 nm
Coating significantly reduced bacterial count without cytotoxic effects to mammalian cells.

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Evaluates enhanced antimicrobial and biological properties of zirconia via coating, suggesting improved implant integration.

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Al‐Noaman et al. (2026) studied this question.

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