Single-visit endodontic treatment of mature teeth with chronic apical abscesses using mineral trioxide aggregate cement: a randomized clinical trial

Table 2 Average time of follow up observed among study groups

Obturation material	Mineral Trioxide Aggregate cement	Gutta-percha cone and root canal sealer
Obturation material	(N = 16)	(N = 16)
Follow up time (in year) Mean(SD)	3.6 (1.1)	3.6 (1.1)
Follow up time	Number of teeth
5 years	6	6
3 years	6	6
2.5 years	4	4

ISSN: 1472-6831