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Orthodontic visits, past 12 months

Codes and Frequencies

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For persons ages 5 to 24 who have had their teeth straightened or had bands placed on their teeth or who have unknown orthodontic histories, ORTH12MO records the number of visits the person made to an orthodontist in the past 12 months.

ORTH12MO is part of the Dental Health Supplement. For related variables and more information about this supplement, please use the IPUMS NHIS search function and drop-down menus, or see ORTHEVER.


There are no comparability issues.


  • 1974: Persons age 5 to 24 who have never had their teeth straightened or had bands on their teeth, or with unknown orthodontic histories.


  • 1974