Table 1. Radiographic signs 30 months after pulpotomy with Root MTA and ProRoot MTA.

Materials	N	IRa	ERb	FRc
Root MTA	26	0	0	1(3.8%)
ProRoot MTA	28	0	1(3.5%)	0

^a IR: Internal resorption

^b ER: External resorption

^c FR: Furcal radiolucency