Volume 5, Issue 2 (5-2020)
J Res Dent Maxillofac Sci 2020, 5(2): 7-13 |
Back to browse issues page
Download citation:
BibTeX | RIS | EndNote | Medlars | ProCite | Reference Manager | RefWorks
Send citation to:
BibTeX | RIS | EndNote | Medlars | ProCite | Reference Manager | RefWorks
Send citation to:
Shahbazi S, Moezzi ghadim N, Mirzaei A, Azizi A. Comparison of Soft Tissue Thermal Changes Induced by Three Types of Diode Lasers at 810, 940, and 980nm Wavelengths. J Res Dent Maxillofac Sci 2020; 5 (2) :7-13
URL: http://jrdms.dentaliau.ac.ir/article-1-269-en.html
URL: http://jrdms.dentaliau.ac.ir/article-1-269-en.html
1- Dentist
2- Assistant professor, Oral Medicine Dept, Faculty of Dentistry,Tehran Medical Sciences
3- Educational Trainer at International Academy of RWTH Aachen University, Aachen, Germany
4- Professor,Oral Medicine Dept, Faculty of Dentistry,Tehran Medical Sciences , Islamic Azad University , Tehran, Iran. ,drarashazizi@yahoo.com
2- Assistant professor, Oral Medicine Dept, Faculty of Dentistry,Tehran Medical Sciences
3- Educational Trainer at International Academy of RWTH Aachen University, Aachen, Germany
4- Professor,Oral Medicine Dept, Faculty of Dentistry,Tehran Medical Sciences , Islamic Azad University , Tehran, Iran. ,
Abstract: (2967 Views)
Background and Aim: Diode laser is a great choice for soft tissue surgery. The diode laser is partially absorbed by hard dental tissues, making it safe for soft tissue surgery. This study aimed to compare the tissue thermal changes induced by three types of diode lasers at 810, 940, and 980nm wavelengths.
Materials and Methods: In this in-vitro experimental study, using a diode laser device (continuous mode with a 400μm fiber tip) at each of the 810, 940, and 980nm wavelengths and powers of 1, 2, and 3W in contact mode, incisions with the length of 2cm were made on pieces of meat over a period of 10 seconds. The primary and secondary temperatures were measured using a thermocouple. Data were analyzed using two-way analysis of variance (ANOVA).
Results: Tissue temperature changes induced by diode laser at 810nm/3W were significantly greater than that of 2W power. These changes were higher with 2W of power compared to 1W (P<0.05). Temperature changes induced by diode laser at 940nm/2 and 3W were significantly greater than that of 1W power (P<0.05). Temperature changes induced by diode laser at 980nm/3W were significantly greater than that of 2W power. Tissue temperature changes were higher with 2W of power compared to 1W (P<0.05).
Conclusion: Diode laser (continuous mode with a 400µm fiber tip) at 3W of power and 980nm wavelength caused the highest rate of thermal changes. The 810nm diode laser with the power of 1W caused the slightest heat changes in the soft tissue.
Materials and Methods: In this in-vitro experimental study, using a diode laser device (continuous mode with a 400μm fiber tip) at each of the 810, 940, and 980nm wavelengths and powers of 1, 2, and 3W in contact mode, incisions with the length of 2cm were made on pieces of meat over a period of 10 seconds. The primary and secondary temperatures were measured using a thermocouple. Data were analyzed using two-way analysis of variance (ANOVA).
Results: Tissue temperature changes induced by diode laser at 810nm/3W were significantly greater than that of 2W power. These changes were higher with 2W of power compared to 1W (P<0.05). Temperature changes induced by diode laser at 940nm/2 and 3W were significantly greater than that of 1W power (P<0.05). Temperature changes induced by diode laser at 980nm/3W were significantly greater than that of 2W power. Tissue temperature changes were higher with 2W of power compared to 1W (P<0.05).
Conclusion: Diode laser (continuous mode with a 400µm fiber tip) at 3W of power and 980nm wavelength caused the highest rate of thermal changes. The 810nm diode laser with the power of 1W caused the slightest heat changes in the soft tissue.
Type of Study: Original article |
Subject:
Oral medicine
References
1. Beer F, Körpert W, Passow H, Steidler A, Meinl A, Buchmair AG, et al. Reduction of collateral thermal impact of diode laser irradiation on soft tissue due to modified application parameters. Lasers Med Sci. 2012 Sep;27(5):917-21. [DOI:10.1007/s10103-011-1007-x] [PMID]
2. Stübinger S, Saldamli B, Jürgens P, Ghazal G, Zeilhofer HF. Soft tissue surgery with the diode laser--theoretical and clinical aspects. Schweiz Monatsschr Zahnmed. 2006;116(8):812-20.
3. Cercadillo-Ibarguren I, España-Tost A, Arnabat-Domínguez J, Valmaseda-Castellón E, Berini-Aytés L, Gay-Escoda C. Histologic evaluation of thermal damage produced on soft tissue by CO2, Er,Cr:YGSS and diode lasers. Med Oral Patol Oral Cir Bucal. 2010 Nov 1;15(6):e912-8. [DOI:10.4317/medoral.15.e912] [PMID]
4. Wilder-Smith P, Arrastia AM, Liaw LH, Berns M. Incision properties and thermal effects of three CO2 lasers in soft tissue. Oral Surg Oral Med Oral Pathol Oral Radiol Endod. 1995 Jun;79(6):685-91. [DOI:10.1016/S1079-2104(05)80300-2]
5. David CM, Gupta P. Lasers in Dentistry: A Review. Int J Adv Health Sci. 2015 Dec;2(8):7-13.
6. Angiero F, Parma L, Crippa R, Benedicenti S. Diode laser (808 nm) applied to oral soft tissue lesions: a retrospective study to assess histopathological diagnosis and evaluate physical damage. Lasers Med Sci. 2012 Mar;27(2):383-8. [DOI:10.1007/s10103-011-0900-7] [PMID]
7. Parker S. Lasers and soft tissue: 'fixed' soft tissue surgery. Br Dent J. 2007 Mar 10;202(5):247-53. [DOI:10.1038/bdj.2007.172] [PMID]
8. Fontana CR, Kurachi C, Mendonça CR, Bagnato VS. Temperature variation at soft periodontal and rat bone tissues during a medium-power diode laser exposure. Photomed Laser Surg. 2004 Dec;22(6):519-22. [DOI:10.1089/pho.2004.22.519] [PMID]
9. Goharkhay K, Moritz A, Wilder-Smith P, Schoop U, Kluger W, Jakolitsch S, et al. Effects on oral soft tissue produced by a diode laser in vitro. Lasers Surg Med. 1999;25(5):401-6.
https://doi.org/10.1002/(SICI)1096-9101(1999)25:5<401::AID-LSM6>3.0.CO;2-U [DOI:10.1002/(SICI)1096-9101(1999)25:53.0.CO;2-U]
10. Khalifeh S, Rezaee E, Azizi A, Ebrahimi H. Efficacy of Low-Level Laser Versus Transcutaneous Electrical Nerve Stimulation for Treatment of Myofascial Pain Syndrome: A Clinical Trial. J Res Dentomaxillofac Sci. 2018;3(3):33-41. [DOI:10.29252/jrdms.3.3.33]
11. Yao J, Liu B, Qin F. Rapid temperature jump by infrared diode laser irradiation for patch-clamp studies. Biophys J. 2009 May 6;96(9):3611-9. [DOI:10.1016/j.bpj.2009.02.016] [PMID] [PMCID]
Send email to the article author
| Rights and permissions | |
 |
This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License. |
