THE ROLE OF FEMTO SECOND LASER IN DENTISTRY

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MAJDABADI ABBAS

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Journal Paper

Paper Information

Journal: JOURNAL OF LASERS IN MEDICAL SCIENCES Year:2018 | Volume:9 | Issue:SUPPL A (9TH WORLD CONGRESS OF SOLA) Page(s): 33-33

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Title

THE ROLE OF FEMTO SECOND LASER IN DENTISTRY

Author(s)

MAJDABADI ABBAS

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Abstract

Tooth-tissue ablation has been explored using holmium: YAG and Erbium: YAG lasers, excimer lasers, and others. The results, however, have been unimpressive, as a result of thermal side effects and long processing times. Using ultrafast laser pulses for this application was first proposed in 1993. Ultrafast-laser/tissue interaction with high peak intensity favors a rapid plasma formation and, consequently, the transformation of the deposited energy into material ionization and ejection rather than heat transfer to the environment, so that side effects such as cracks and heat conduction to the nerves are greatly reduced. Pico- and femtosecond lasers have successfully been used in this area.Recently the researchers generated femtosecond-laser (FS) pulses by a straightforward approach without chirped pulse amplification (CPA). A commercial ytterbium: glass laser tunable from 1030 to 1050 nm and emitting 300 fs pulses with 1 nJ output pulses and also a beam quality M2 of 1.2. Such a femtosecond laser enables the dentist to focus its probe tip on its target at such a precise speed and level of efficiency that surrounding areas are not affected.In dentistry, the laser could treat tooth decay without compromising the tooth’s structure and provide a much more efficient and harmless method of treatment for patients.Femtosecond lasers are extra-fast, extra-intense lasers that have unique characteristics for dental application due to their minimizing thermal damage and changes of biochemical structures of surrounding tissues. Recent studies have shown, that the FS laser will likely provide unparalleled advantages in painless dental ablation/drill and caries removal/prevention. The minimal collateral damage during the FS laser treatment, consequently, will ensure fast recovery. Dental burs currently used in dental preparations, such as carbide and diamond burs, are known to cause significant discomfort and pain during the process, and post-operative sensitivity. But FS laser, has high potential to deliver painless and vibration-free treatment of tooth, including caries removal, with high precisions. In addition, the FS laser may also be an excellent tool for caries prevention. In this article we will describe how to create ultra-short FS pulses and also how effective they are in dentistry.

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APA: Copy

MAJDABADI, ABBAS. (2018). THE ROLE OF FEMTO SECOND LASER IN DENTISTRY. JOURNAL OF LASERS IN MEDICAL SCIENCES, 9(SUPPL A (9TH WORLD CONGRESS OF SOLA)), 33-33. SID. https://sid.ir/paper/326080/en

Vancouver: Copy

MAJDABADI ABBAS. THE ROLE OF FEMTO SECOND LASER IN DENTISTRY. JOURNAL OF LASERS IN MEDICAL SCIENCES[Internet]. 2018;9(SUPPL A (9TH WORLD CONGRESS OF SOLA)):33-33. Available from: https://sid.ir/paper/326080/en

IEEE: Copy

ABBAS MAJDABADI, “THE ROLE OF FEMTO SECOND LASER IN DENTISTRY,” JOURNAL OF LASERS IN MEDICAL SCIENCES, vol. 9, no. SUPPL A (9TH WORLD CONGRESS OF SOLA), pp. 33–33, 2018, [Online]. Available: https://sid.ir/paper/326080/en

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