Can vitamin D and calcium help with oral and heart health?

Research suggests that both vitamin D and calcium are needed to keep bones healthy, and these substances can play a role in oral health. Calcium is also needed for normal contraction of the heart. Swollen gums are a symptom of gum disease. Scientists think that getting adequate calcium and vitamin D in the diet or through supplements can counteract the inflammatory effects of periodontal disease, which is also linked to heart disease. Sources of vitamin D and calcium may be found  in milk, eggs, and fish like tuna and sardines. Exposure to sunlight is also an important source for the body to manufacture its own vitamin D.