The use of the erbium yttrium aluminium garnet (2,940 nm) in a laser-assisted apicectomy procedure

Reyhanian, Avi; Parker, Steven; Moshonov, Joshua

doi:10.1038/sj.bdj.2008.804

Cited by 9 publications

(9 citation statements)

References 32 publications

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“…24 Studies that evaluated the sealing ability in root-end cavities prepared by either laser, ultrasonic device, or burs showed better results with the use of the laser. 1,25 The irradiation with Er:YAG and CO 2 for both the root-end resection 26 and dentinal surface treatment has been demonstrated to reduce the permeability to methylene blue solution. 27 In this study, CO 2 laser was not used; however, group IV (Er:YAG, 2.5 mm, no focus) produced the greatest apical sealing, which was significantly better than the other groups, even in comparison with group II, in which the same parameters were used, except the lack of focal distance (1.5 mm).…”

Section: Discussionmentioning

confidence: 99%

Apical Sealing Quality ofIn VitroApicectomy Procedures After Using Both Er:YAG and Nd:YAG

Leonardi

Sivieri-Araújo²,

Zielak³

et al. 2010

Photomedicine and Laser Surgery

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The aim of this study was to evaluate the apical sealing of dentinal tubules after root-end surface cutting by using Er:YAG and Nd:YAG lasers. After root-canal instrumentation and filling, apices of 50 extracted maxillary canine human teeth were resected by Er:YAG with 400 mJ, 10 Hz, for 30 sec. The samples were randomly assigned to five groups (n ¼ 10): (GI) treated without root-end cavity, but with Nd:YAG (1.0 W, 10 Hz, 20 sec) for dentinal tubules sealing; (GII) treated with root-end cavity without the use of Nd:YAG; (GIII) treated with rootend cavity and Nd:YAG application; (GIV) treated with root-end cavity made by Er:YAG with no focus and without Nd:YAG application; and (GV) treated without root-end cavity and without Nd:YAG application. The root-end cavities were performed by using Er:YAG at 300 mJ, 10 Hz, for 20 sec. Subsequently, all teeth were waterproofed and immersed in 2% methylene blue for 48 h in a vacuum environment. The samples were longitudinally sectioned, and microleakage was measured. ANOVA and the Fisher LSD test showed that GIV was less susceptible to microleakage than were the other groups ( p < 0.05). Interestingly, the use of the Er:YAG with no focus showed superior dentinal tubule sealing in comparison with the other groups, even with or without root-end cavity and Nd:YAG application.

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Section: Discussionmentioning

confidence: 99%

Apical Sealing Quality ofIn VitroApicectomy Procedures After Using Both Er:YAG and Nd:YAG

Leonardi

Sivieri-Araújo²,

Zielak³

et al. 2010

Photomedicine and Laser Surgery

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“…15 Similarly, with dental ablation, several studies have yielded results favoring the use of the laser in traditional surgical techniques, citing histological evidence that tissue healing is improved with the use of lasers rather than surgical drills or burrs. 16 These applications of lasers to ablate hard tissue in other areas of the body inspire the present study to create the holes needed in orthopedic microfracture surgery.…”

Section: Use Of Erbium:yag Laser In Bonementioning

confidence: 95%

“…In a laser-assisted apicectomy procedure, erbium: YAG ablation was shown to produce a wet incision (some bleeding) for soft tissue and an enhanced healing response in bone tissue. 16 Compared to conventional lasers, the use of ultrafast lasers for hard tissue ablation shows more of a lack of hemostasis. 32 Laser ablation in this fashion is expected to allow the blood to flow into the area of the lesion.…”

Section: Use Of Femtosecond Laser In Bonementioning

confidence: 99%

Preclinical investigations of articular cartilage ablation with femtosecond and pulsed infrared lasers as an alternative to microfracture surgery

Sun

Juhász

et al. 2014

J. Biomed. Opt

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Abstract. Microfracture surgery is a bone marrow stimulation technique for treating cartilage defects and injuries in the knee. Current methods rely on surgical skill and instrumentation. This study investigates the potential use of laser technology as an alternate means to create the microfracture holes. Lasers investigated in this study include an erbium:YAG laser (λ ¼ 2.94 μm), titanium:sapphire femtosecond laser system (λ ¼ 1700 nm), and Nd:glass femtosecond laser (λ ¼ 1053 nm). Bovine samples were ablated at fluences of 8 to 18 J∕cm 2 with the erbium:YAG laser, at a power of 300 AE 15 mW with the titanium:sapphire femtosecond system, and at an energy of 3 μJ∕pulse with the Nd:glass laser. Samples were digitally photographed and histological sections were taken for analysis. The erbium:YAG laser is capable of fast and efficient ablation; specimen treated with fluences of 12 and 18 J∕cm 2 experienced significant amounts of bone removal and minimal carbonization with saline hydration. The femtosecond laser systems successfully removed cartilage but not clinically significant amounts of bone. Precise tissue removal was possible but not to substantial depths due to limitations of the systems. With additional studies and development, the use of femtosecond laser systems to ablate bone may be achieved at clinically valuable ablation rates.

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“…The authors did not mention in their discussion whether using the Nd:YAG laser to melt the severed root-end surface and to achieve ''recrystallization'' (depicted by scanning electron microscopy of the resected root ends) within the dentinal tubules was effective in producing a long-term apical seal. Nevertheless, the use of lasers in periapical surgery is receiving greater attention as an alternative to traditional surgical procedures, and claims are being made as to its greater efficacy (41,42). High levels of evidence for this application, as would be found in randomized clinical trials, are lacking.…”

Section: Statistical Analysis and Commentarymentioning

confidence: 99%

Evidence-Based Review of Clinical Studies on Surgery

2009

Journal of Endodontics

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The use of the erbium yttrium aluminium garnet (2,940 nm) in a laser-assisted apicectomy procedure

Cited by 9 publications

References 32 publications

Apical Sealing Quality ofIn VitroApicectomy Procedures After Using Both Er:YAG and Nd:YAG

Apical Sealing Quality ofIn VitroApicectomy Procedures After Using Both Er:YAG and Nd:YAG

Preclinical investigations of articular cartilage ablation with femtosecond and pulsed infrared lasers as an alternative to microfracture surgery

Evidence-Based Review of Clinical Studies on Surgery

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