Quintile of the income by unit of consumption;Average number of inquiries to dentists;Total Total;None;53.6 Total;1-2 times;36.3 Total;3-5 times;7.1 Total;6-9 times;1.7 Total;10 times or more;1.3 First quintile;None;64.7 First quintile;1-2 times;28.9 First quintile;3-5 times;4.2 First quintile;6-9 times;1.7 First quintile;10 times or more;0.5 Second quintile;None;61.5 Second quintile;1-2 times;29.6 Second quintile;3-5 times;6.3 Second quintile;6-9 times;1.3 Second quintile;10 times or more;1.3 Third quintile;None;55.7 Third quintile;1-2 times;34.4 Third quintile;3-5 times;6.9 Third quintile;6-9 times;1.6 Third quintile;10 times or more;1.3 Fourth quintile;None;47.5 Fourth quintile;1-2 times;40.1 Fourth quintile;3-5 times;8.6 Fourth quintile;6-9 times;2.3 Fourth quintile;10 times or more;1.6 Fifth quintile;None;39.4 Fifth quintile;1-2 times;47.6 Fifth quintile;3-5 times;9.3 Fifth quintile;6-9 times;1.9 Fifth quintile;10 times or more;1.9