1 Subjects: “...Socioeconomic status...”

2 Subjects: “...socioeconomics...”

3 Subjects: “...socioeconomic...”

4 Subjects: “...wealth/socioeconomic status...”

5 Subjects: “...socioeconomic status...”

6 “... of people from different socioeconomic backgrounds, religious beliefs, and political alignments. With most...”

7 “... socioeconomic levels and due to differences in environment and cultural factors. Several determinants of oral...”

8 “... to structural or contextual determinants, except for area-level socioeconomic conditions. In addition, to tackle...”