Table 2.

Cumulative survival and SE (%) of the ART restorations assessed using the ART criteria over a 10-year period

Interval (year)	Single-surface ART restorations					Multiple-surface ART restorations
	N rest at start	N rest lost	N rest fail	Survival (%)	±SE (%)	N rest at start	N rest lost	N rest fail	Survival (%)	±SE (%)	p value
0–1	167	21	2	98.7	1.2	107	9	9	91.2	4.8	0.137ns
1–2	144	27	8	92.7	3.0	89	12	4	86.8	5.8	0.377ns
2–10	109	42	19	65.2	7.3	73	11	35	30.6	9.9	0.009a

N _{rest at start} number of restorations at start of interval, N _{rest lost} number of restorations lost-to-follow-up in the interval, N _{rest fail} number of restorations failed in the interval

^aSignificant

ns not significant