Table 5: Distribution of the sample

		Formocresol						Pulpotec						Mineral trioxide aggregate						Emdogain
Evaluation intervals (months)		Total teeth		Lower primary first molars		Lower primary second molar		Total teeth		Lower primary first molars		Lower primary second molar		Total teeth		Lower primary first molars		Lower primary second molar
3		21		10		11		21		10		11		21		10		11		21		11		10
6		18		9		9		18		8		10		18		8		10		18		10		8
12		18		9		9		18		8		10		18		8		10		18		10		8
18		18		9		9		18		8		10		18		8		10		18		10		8
24		18		9		9		18		8		10		18		8		10		18		10		8