Table 3.

The survival rates (surv) and jackknife standard errors (SE) of single- and multiple-surface ART and CRT restorations in primary and in permanent teeth over the one year period

Interval (years)	ART				CRT
	Single		multiple		single		Multiple
	surv	SE	surv	SE	surv	SE	surv	SE
Primary teeth
0.5	100	0	92.6	4.0	94.7	1.6	90.0	7.4
1.0	100a	0	84.3	1.2	94.7b	1.6	83.4	6.5
Permanent teeth
0.5	100	0	92.3	5.7	100	0	93.2	2.7
1.0	100	0	92.3c	5.7	100	0	71.8d	21.5

P^a,b = 0.03; P^c,d = 0.30.