The Arginine-Nitrate-Zinc (ANZ) Shield is a comprehensive, five-phase public health intervention designed to systematically reduce the prevalence of dental caries and periodontitis across the Kingdom of Morocco. This documentation suite (Version 1.0.0) contains the theoretical derivation, engineering validation, and regulatory framework for a nationwide strategy targeting diverse population segments through established supply chains and clinical interventions. The protocol comprises five synergistic phases: Phase I: Universal Salt Fortification: Leverages the nitrate-nitrite-nitric oxide pathway using sodium nitrate, zinc, and potassium citrate. It employs bifurcated processing for industrial (nitrogen-flushed packaging) and artisanal (wet-spray co-crystallization) salt sectors. Phase II: Universal Bread Fortification: Targets the inhibition of bacterial lactate dehydrogenase through the incorporation of decolorized green tea catechins and a specialized buffering system into flour. Phase III: Targeted Orodispersible Tablets (ODT): A twice-daily intervention for high-risk pediatric cohorts utilizing arginine, lysozyme, and heat-killed probiotics to induce an ecological shift in the oral biofilm. Phase IV: School-Based Intervention: Biannual application of silver diamine fluoride (SDF) and potassium iodide (KI) to arrest active caries in children aged 6-12 while mitigating aesthetic staining. Phase V: Clinic-Based Management: Sub-antimicrobial dose doxycycline gum for adults with diabetes to manage the inflammatory components of periodontitis. Included Documentation: Volume I: White Paper: Detailed scientific rationale, phase architecture, and contingency pathways (e.g., Phase II-B and II-C). Volume II: Technical Appendices Collection: Engineering-level derivations addressing physicochemical challenges such as deliquescence, lipid encapsulation, redox mediation, and moisture barrier technology (zein protein). Volume III: Regulatory and Validation Suite: Governance charters, safety and toxicological evaluation reports (STER), and molecular stability dossiers (MSD) for regulatory submission. The protocol is scheduled for empirical validation via the Settat pilot study in 2026, providing a data-driven path toward national implementation. Keywords: Public Health, Oral Health, Dental Caries, Periodontitis, Morocco, Preventive Dentistry, Salt Fortification, Food Engineering, Arginine-Nitrate-Zinc Shield, Nitric Oxide Pathway, Silver Diamine Fluoride, Biofilm Management, Microbiome Ecology, Health Policy, Trace Element Nutrition.
Driss BOURAKKADI (2026) studied this question.