Predictive In Vitro Diagnostic Screening of Strontium-Enriched Biodegradable Mg-Ca Alloys for Emerging Dental...

Area of Science:

• Biomaterials Science
• Dental Materials
• Regenerative Medicine

Background:

• Biodegradable magnesium-based alloys are promising for dental and maxillofacial implants.
• Osteoconductive properties reduce long-term implant complications.
• Need for predictive diagnostic screening for cytocompatibility and cellular response.

Purpose of the Study:

• Investigate Mg-0.5Ca alloys with varying strontium (Sr) concentrations (0.5-3 wt.%).
• Evaluate cytocompatibility and cellular response using MG-63 osteoblast-like cells.
• Establish an in vitro diagnostic framework for early biomaterial assessment.

Main Methods:

• Quantitative assessment of cell viability using MTT assays (24h and 72h).
• Qualitative assessment of cell morphology and adhesion via live-cell imaging.
• Analysis of Mg-0.5Ca alloys with increasing strontium content.

Main Results:

• Composition-dependent cytocompatibility observed.
• Strontium-enriched alloys exhibited improved cellular metabolic activity.
• Enhanced cell adhesion patterns noted in higher Sr content samples.

Conclusions:

• Strontium acts as a functional alloying element in magnesium-based biomaterials.
• Standardized diagnostic screening is crucial for emerging dental biomaterials.
• A simplified predictive platform for early biocompatibility diagnostics is proposed.