From: Development of Danish version of child oral-health-related quality of life questionnaires (CPQ8–10 and CPQ11–14)
CPQ8–10
CPQ11–14
Group of children
Number of children
Healthy children
97
154
Children with cleft lip and palate
15
21
Children with rare oral diseases
8
20
Children with fixed orthodontic appliances
-
30
Total
120
225