In many rural areas, lower ratios of dentists to patients than in urban areas, and patients' lack of insurance, can make it hard to find needed dental care. Nonprofit clinics are working to fill in the gap, but many struggle to serve the large numbers of patients who need services. Dental health isn't just about fighting cavities: poor oral health and gum disease can increase the risk of heart attack, stroke, poorly controlled diabetes, and preterm labor.

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