Detail	Fee‐for‐service only	Control
Number randomised	Dentists: 37 Patients: 925	Dentists: 39 Patients: 957
Number analysed	Dentists: 33 (89.2%) Patients: 698 (75.5%)	Dentists: 35 (89.7%) Patients: 730 (76.3%)
Number not analysed and reasons	Dentists: Lost to follow‐up 4 (10.8%) Reason: 2 dentists left the study and 2 refused to take part after randomisation Patients: Lost to follow‐up: 161 (17.4%) Reason: Most of the children were patients of the dentists who were lost to follow‐up but also there were 39 missing patient records Excluded from analysis: 66 (7.1%) Reason: Lack of erupted second permanent molars	Dentists: Lost to follow‐up 4 (10.3%) Reason: 2 dentists left the study and 2 refused to take part after randomisation Patients: Lost to follow‐up: 127 (13.3%) Reason: Most of the children were patients of the dentists who were lost to follow‐up but also there were 48 missing patient records Excluded from analysis: 100 (10.4%) Reason: Lack of erupted second permanent molars