|
Number of Cases of Worsening TR Post-Extraction (n=84) |
Number of Cases of Same or Improved TR Post-Extraction
(n=237) |
P Value |
Extraction Method |
Extraction Method |
Extraction
Method |
Extraction Method |
Simple traction, n (%) |
25 (29.8) |
94 (39.7) |
0.11 |
Extraction tools required, n (%) |
59 (70.2) |
143 (60.3) |
|
Mechanical, n (%) |
21 (25.0) |
60 (25.3) |
0.95 |
Laser, n (%) |
31 (36.9) |
47 (19.8) |
<0.01 |
Combination, n (%) |
6 (7.1) |
28 (11.8) |
0.23 |
Laser + Combination, n (%) |
37 (44.0) |
75 (31.6) |
0.04 |
Mechanical + Combination, n (%) |
27 (32.1) |
88 (37.1) |
0.67 |
Unknown, n (%) |
1 (1.2) |
8 (3.4) |
0.30 |
Average Dwell Time (Pre-extraction) |
Average Dwell Time
(Pre-extraction) |
Average Dwell Time (Pre-extraction) |
Average Dwell Time (Pre-extraction) |
Duration (years), mean ± SD |
6.9 ± 13.1 |
6.0 ± 11.2 |
0.55 |