Health Improvement and Innovation Resource Centre https://www.hiirc.org.nz/ ?tag=dentalarch&tab=2612&section=8959 en 2009-2018 hiirc.org.nz Age changes in orthodontic treatment need: A longitudinal study of 10- and 13-year-old children, using the Dental Aesthetic Index https://www.hiirc.org.nz/page/16458/age-changes-in-orthodontic-treatment-need/ ?tag=dentalarch&tab=2612&section=8959 https://www.hiirc.org.nz/page/16458/age-changes-in-orthodontic-treatment-need/ ?tag=dentalarch&tab=2612&section=8959 2010-05-19 17:28:12.807 A longitudinal study of orthodontic treatment need in Dunedin schoolchildren https://www.hiirc.org.nz/page/16459/a-longitudinal-study-of-orthodontic-treatment/ ?tag=dentalarch&tab=2612&section=8959 https://www.hiirc.org.nz/page/16459/a-longitudinal-study-of-orthodontic-treatment/ ?tag=dentalarch&tab=2612&section=8959 2010-05-19 17:10:27.34