Table 1.

Overview of data collection and measurements within Generation R

Measurements	Time point(s):
	3 years	6 years	9 years	13 years	17 years (ongoing)
Parental questionnaires
Toothache and difficulties eating	x
Caries diagnosed by dentist	x
Tooth brushing frequency	x	x	x	x	x
First age dental visit and reason		x
Dental visit		x	x	x	x
Oral health–related quality of life			x	x
Subjective orthodontic treatment need			x	x
Suspected obstructive sleep apnea			x
Type of orthodontic treatment				x
Subjective result of orthodontic treatment				x
Permanent teeth extraction for orthodontic treatment				x
Abnormal oral or mouth habits				x	x
Visit oral hygienist				x	x
Oral hygiene methods				x	x
Maternal dental care insurance					x
Removal third molars					x
Mobile application for children
Oral health–related quality of life				x	x
Researcher-performed measurements
Intra-oral photographs		x		x	x
Frontal and buccal dental photographs			x
3D facial images			x	x	x
Orthopantomogram and lateral cephalogram			x	x	x
Dental biofilm sample				x	x