Micronutrients like calcium and iron play an essential role in regeneration, for coping with oxidative stress and for an adequate immune response. Hence, these elements are essential for maintaining health throughout life. Micronutrients can cause diseases through deficiency, imbalance, or toxicity. Studies have shown that elevated Ca and Fe levels may be a contributing factor in many inflammatory conditions. Diabetes mellitus has been found to be a risk factor for periodontal disease and is a strong example of how systemic health and oral health are closely related. Chronic periodontitis,...