In vitro evaluation of surface characteristics comparing WaterLase (Biolase®) with tungsten carbide burs for composite removal: a pilot study
Publié en ligne: 14 juil. 2022
Pages: 194 - 201
Reçu: 01 nov. 2021
Accepté: 01 mai 2022
© 2022 Mohammed Alkandari et al., published by Sciendo
This work is licensed under the Creative Commons Attribution 4.0 International License.
Figure 1.
Mean percentage concentrations by group.Figure 2.
The atomic composition of the samples n1 to n8, with sample n.3 sharing similar atomic concentrations with the ‘sound enamel’ sample.Figure 3.
Distribution of depth values.Comparison of depth of removal between groups: medians and 95% confidence intervals in ten WaterLase Biolase® and ten tungsten carbide samples.
|
WaterLase group |
Tungsten carbide |
|
Median |
95% CI |
Median |
95% CI |
Depth |
166.3 |
(86.6–263.1) |
17.6*** |
(10.5–28.9) |
Comparison of atomic concentrations: medians and 95% confidence intervals in six WaterLase Biolase® samples and individual values for control samples.
|
WaterLase group |
Sound enamel |
Only composite |
|
Median |
95% CI |
Value |
Value |
C K |
14.84 |
(11.48–31.51) |
28.46 |
38.17* |
O K |
64.64 |
(47.04–68.25) |
57.08 |
44.13* |
Na K |
0.20 |
(0.00–0.58) |
0.38 |
0.00 |
P K |
7.76 |
(7.22–8.74) |
5.75* |
0.00* |
Cl K |
0.00 |
(0.00–0.18) |
0.13 |
0.00 |
Ca K |
11.38 |
(9.70–13.14) |
7.76* |
0.00* |
F K |
0.00 |
(0.00–0.00) |
0.00 |
2.01* |
Si K |
0.00 |
(0.00–0.00) |
0.00 |
11.47* |
Br L |
0.00 |
(0.00–0.00) |
0.00 |
1.64* |
Ba L |
0.00 |
(0.00–0.00) |
0.00 |
2.58* |
Zr L |
0.48 |
(0.00–0.69) |
0.44 |
0.00 |
Statistical description of removal depth.
|
|
|
GROUP |
|
|
|
Total |
Waterlase (WL) |
Tungsten carbide (TC) |
Depth in Micrometers |
N |
20 |
10 |
10 |
|
Mean |
96.83 |
173.12 |
20.54 |
|
Standard Deviation |
94.90 |
77.40 |
9.40 |
|
Minimum |
9.62 |
76.37 |
9.62 |
|
Maximum |
285.23 |
285.23 |
37.69 |
|
Median |
57.03 |
166.31 |
17.62 |