Fig. 3From: Prevalence of KIG-grades 3–5 in an orthodontic practice in North Rhine Westphalia compared with results of the DMS•6 and with KZBV dataa-c: Percentage of the 16 possible KIG-grades triggering treatment for patients with statutory health insurance in the observed period 2017–2021. a KIG-Grade 3. b KIG-Grade 4. c KIG-Grade 5Back to article page