“... the important factors of affecting urban-rural differences in oral health, identification of certified dentists...”
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“... of community elderly in rural and urban areas were divided into seven regions, and the oral health-related...”
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“... to increase, and hence gerontological health has become an important issue. Oral health is the foundation...”
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“...-mountain, coastland and urban areas. The study design was a stratified multi-stage cluster...”
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“... studies have shown that caries of children living in urbane areas differ from those in countryside areas...”
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“... services depended on General Public Health data. There have been many studies about the association...”
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“... services depended on General Public Health data. There have been many studies about the association...”
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