Table 2.

Oral microbiological sampling methods and investigated time points used in previous studies to analyze Candida carriage in orthodontic patients

Study group	Time points of investigation		Type of appliance		Saliva sampling	Plaque sampling	Oral mucosa sampling
	Before insertion	During treatment	Fixed	Removable
Current study	-	x	x	-	stimulated saliva	pooled plaque	-
Addy et al. 1982 [1]	-	x	x	x	-	-	imprint culture
Hägg et al. 2004 [3]	x	x	x	-	oral rinse	pooled plaque	imprint culture
Arslan et al. 2008 [27]	x	x	x	-	stimulated saliva	pooled plaque	-
Arendorf, Addy 1985 [37]	x	x	-	x	-	-	imprint culture

Comparable study methods are highlighted in bold text