Clinical Evaluation of Underwater Discharge Plasma as a Root Canal Irrigant: A Randomized Pilot Study on Efficacy and Safety
Abstract
1. Introduction
2. Materials and Methods
2.1. Study Design and Ethical Approval
2.2. Participants
2.3. Randomization and Allocation
2.4. Endodontic Procedures
2.5. Pain Assessment
2.6. Radiographic Assessment
2.7. Statistical Analysis
3. Results
3.1. Pain Assessment Results
3.2. Radiographic Outcomes
3.3. Clinical Success Rates
3.4. Interobserver Agreement
4. Discussion
5. Conclusions
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Conflicts of Interest
Abbreviations
CAPP | Cold atmospheric pressure plasma |
CHX | Chlorhexidine |
NaOCl | Sodium hypochlorite |
NiTi | Nickel–titanium |
NTPP | Non-thermal atmospheric pressure plasma |
PAI | Periapical index |
PAL | Plasma activated liquid |
RCT | Root canal treatment |
ROS | Reactive oxygen species |
TA | Terephthalic acid |
UDP | Underwater discharge plasma |
VAS | Visual analog scale |
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Group | Men, n (%) | Women, n (%) | Mean Age in Years (mean ± SD) | Single Canal, n (%) | Multiple Canals, n (%) | Maxilla, n (%) | Mandible, n (%) |
---|---|---|---|---|---|---|---|
UDP (n = 14) | 7 (50) | 7 (50) | 50.00 ± 15.48 | 7 (50) | 7 (50) | 8 (57) | 6 (43) |
NaOCl (n = 14) | 3 (21) | 11 (79) | 57.93 ± 14.43 | 3 (21) | 11 (79) | 8 (57) | 6 (43) |
Total (n = 28) | 10 (36) | 18 (64) | 53.96 ± 15.23 | 10 (36) | 18 (64) | 16 (57) | 12 (43) |
Group | Chi-Square (χ2) | p Value |
---|---|---|
UDP | 11.28 | 0.010 |
NaOCl | 10.17 | 0.017 |
Time | Mean VAS Score Mean ± SD | p Value | |
---|---|---|---|
UDP | NaOCl | ||
Preoperative | 1.57 ± 1.99 | 2.14 ± 2.48 | 0.603 |
Postoperative | 0.86 ± 1.66 | 1.14 ± 1.75 | 0.804 |
2 months | 0.07 ± 0.27 | 0.36 ± 0.63 | 0.329 |
4 months | 0.07 ± 0.27 | 0.14 ± 0.54 | 0.000 |
Time | Mean PAI Score Mean ± SD | p Value | |
---|---|---|---|
UDP | NaOCl | ||
Preoperative | 2.46 ± 1.24 | 2.16 ± 1.08 | 0.603 |
Canal Filling | 2.45 ± 1.24 | 1.98 ± 0.77 | 0.376 |
2 months | 1.96 ± 0.88 | 1.71 ± 0.71 | 0.511 |
4 months | 1.66 ± 0.79 | 1.43 ± 0.62 | 0.401 |
Time | Clinical Success Rates (%, n) | p Value | |
---|---|---|---|
UDP | NaOCl | ||
CF | 50.0 (7) | 78.6 (11) | 0.236 |
2 months | 57.1 (8) | 78.6 (11) | 0.420 |
4 months | 71.4 (10) | 92.9 (13) | 0.326 |
Group | Healed, n (%) | Not Healed, n (%) | Improved (Decrease PAI Score) |
---|---|---|---|
UDP (n = 14) | 10 (71.4) | 4 (28.6) | 71.4% (n = 10) |
NaOCl (n = 14) | 13 (92.9) | 1 (7.1) | 78.6% (n = 11) |
Total (n = 28) | 23 (82.1) | 5 (17.9) | 75.0% (n = 21) |
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Lyu, J.-H.; Kim, Y.-H.; Chung, H.-S.; Park, S.-Y.; Yi, S.-M.; Byun, S.-H.; On, S.-W.; Lee, J.-S.; Yang, B.-E. Clinical Evaluation of Underwater Discharge Plasma as a Root Canal Irrigant: A Randomized Pilot Study on Efficacy and Safety. Biomedicines 2025, 13, 2343. https://doi.org/10.3390/biomedicines13102343
Lyu J-H, Kim Y-H, Chung H-S, Park S-Y, Yi S-M, Byun S-H, On S-W, Lee J-S, Yang B-E. Clinical Evaluation of Underwater Discharge Plasma as a Root Canal Irrigant: A Randomized Pilot Study on Efficacy and Safety. Biomedicines. 2025; 13(10):2343. https://doi.org/10.3390/biomedicines13102343
Chicago/Turabian StyleLyu, Jeong-Hyo, Young-Hee Kim, Hyun-Sook Chung, Sang-Yoon Park, Sang-Min Yi, Soo-Hwan Byun, Sung-Woon On, Jae-Seo Lee, and Byoung-Eun Yang. 2025. "Clinical Evaluation of Underwater Discharge Plasma as a Root Canal Irrigant: A Randomized Pilot Study on Efficacy and Safety" Biomedicines 13, no. 10: 2343. https://doi.org/10.3390/biomedicines13102343
APA StyleLyu, J.-H., Kim, Y.-H., Chung, H.-S., Park, S.-Y., Yi, S.-M., Byun, S.-H., On, S.-W., Lee, J.-S., & Yang, B.-E. (2025). Clinical Evaluation of Underwater Discharge Plasma as a Root Canal Irrigant: A Randomized Pilot Study on Efficacy and Safety. Biomedicines, 13(10), 2343. https://doi.org/10.3390/biomedicines13102343