Prognostic Factors of Grade 2-3 Endo-Periodontal Lesions Treated Nonsurgically in Patients with Periodontitis: A Retrospective Case-Control Study
Table 2
Clinical parameters of the teeth in the high and low responder groups at baseline.
Clinical parameters
High responder (n = 72)
Low responder (n = 68)
value
PD (mm, x ± s)
5.78 ± 1.31
7.18 ± 1.49
<0.001#
CAL (mm, x ± s)
5.42 ± 1.52
7.35 ± 1.79
<0.001#
SBI†
0.080
1
10 (14%)
6 (9%)
2
20 (28%)
12 (18%)
3
26 (36%)
20 (29%)
4
16 (22%)
30 (44%)
TM†
0.004#
0
12 (17%)
2 (3%)
I
22 (30%)
12 (17%)
II
34 (47%)
40 (59%)
III
4 (6%)
14 (21%)
OHI-S (x ± s)
2.40 ± 0.78
2.51 ± 0.36
0.620
Full-mouth periodontitis severity†
0.004#
1
26 (36%)
8 (12%)
2
36 (50%)
26 (38%)
3
10 (14%)
34 (50%)
Alveolar resorption type§
0.089
Horizontal resorption
40 (56%)
24 (35%)
Vertical resorption
32 (44%)
44 (65%)
CR (x ± s)
0.67 ± 0.08
0.73 ± 0.12
0.022¶
PAI†
0.002#
1
22 (30%)
6 (9%)
2
30 (42%)
22 (32%)
3
18 (25%)
30 (44%)
4
2 (3%)
10 (15%)
Number of root canals‡
<0.001#
1
28 (39%)
12 (18%)
2
30 (41%)
12 (18%)
3
12 (17%)
30 (44%)
4
2 (3%)
14 (20%)
Differences between the two groups were analyzed using the independent-sample t-test. †Differences between the two groups were analyzed using the ridit test. ‡Differences between the two groups were analyzed using the Mann–Whitney U test. §Differences between the two groups were analyzed using the chi-square test. ..