RESTORATIVE DENTISTRY
Table 3 Distribution of restorations evaluated after 48 months according to cavity class and number
of restored surfaces
Class
N. of surfaces
I
II
V
Incisors
Premolars
Molars
1
23
59
2
28
30
3
19
24
4+
18
31
13
14
36
9
13 (4.28%)
14 (4.61%)
124 (40.79%)
153 (50.33%)
1
Total: 304 (100%)
Canines
Table 4 Relationship between type of restoration and incidence of success, chipping or loss
Class
Integral
(code 0)
Chipped (codes 1, 2)
Total success
Partial Lost
(codes 3, 4)
Failures
(code > 5)
Total failures
Class I
77 (93,9%w)
4
(4,88%)
81 (98,78%)
0
(0%)
1
(1,22%)
1 (1,22%)
Class II
116 (77,33%)
19 (12,67%)
135 (90%)
4 (2,67%)
11 (7,33%)
15
(10%)
Class V
49 (68,05%)
13 (18,06%)
62 (86,11%)
0
(0%)
10 (13,89%)
10 (13,89%)
Total
242 (79,61%)
36 (11,84%)
278 (91,45%)
4 (1,32%)
22 (7,24%)
26 (8,55%)
The four operators were first allowed to place
and photograph 10 restorations each, according
to the protocol. Then, joint meetings of all the
operators were organised in order to discuss the
photographs and verify the concordance with the
use of the tested material and the clinical protocol.
Periodic meetings were held during the trial in
order to verify that the operators followed the
protocol and the material guidel [