Effects of an erbium, chromium: yttrium, scandium, gallium, garnet laser on mucocutanous soft tissues

Rizoiu, Ioana; Eversole, Lewis R.; Kimmel, Andrew I.

doi:10.1016/s1079-2104(96)80302-7

Cited by 89 publications

(44 citation statements)

References 16 publications

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“…These authors recommend the use of laser for tissue removal when a biopsy is needed, based on its low thermal effect, the minimal bleeding and the absence of artifacts. Our results in the Er,Cr:YSGG group with water/air spray coincide with those described by Rizoiu et al (1) Histological preparations disclose an apparently healthy tissue with limited areas of denaturalized tissue that were 10-fold smaller than in the diode laser group. This is probably due to the refrigeration capacity of the water/air spray, because the samples of the Er,Cr:YSGG without water/air spray had an extension of the thermal effect similar to the CO 2 group.…”

Section: Discussionsupporting

confidence: 91%

“…The literature describes different methodologies to measure it, such as measurement of temperature increase on the tissue (5,8), energy absorption by the target tissue (9,10) and the most common, the histological evaluation of the tissue next to the irradiated area (4,11,12). Most reports point out that the result of this temperature increase can be inferred from denaturalization and hyalinization of the tissue next to the irradiated area, and it can be assessed using conventional techniques of microscopy and standard staining of hematoxillin-eosin, which show an area of eosinophilic coagulation (1,12,13). In this study we used Masson trichromic staining because this technique differentiates without ambiguity thermally damaged collagen of unaffected tissue, as reported by several papers (14)(15)(16).…”

Section: Discussionmentioning

confidence: 99%

“…At the beginning, laser use in dentistry was focused mainly on hard dental tissues, however, soft tissue surgery has been the most extended laser application throughout the past 30 years (1,2). Currently, more than ten different laser devices are available for dental application.…”

Section: Introductionmentioning

confidence: 99%

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Histologic evaluation of thermal damage produced on soft tissues by CO2, Er,Cr:YSGG and diode lasers

Cercadillo-Ibarguren¹,

España-Tost²,

Arnabat-Domínguez³

et al. 2010

Med Oral

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Objective: The aim of this in vitro experimental study was to perform histological evaluation of the thermal effect produced on soft tissue irradiated with CO 2 , Er,Cr:YSGG or diode lasers. Study design: Porcine oral mucosa samples were irradiated with Er,Cr:YSGG laser at 1 W with and without water / air spray, at 2 W with and without water / air spray, and at 4 W with water / air spray, with CO 2 laser at 1 W, 2 W, 10 W, 20 W continuous mode and 20 W pulsed mode and diode laser at 2W, 5W, and 10W pulsed mode. The thermal effect was evaluated measuring the width of damaged tissue adjacent to the incision, stained positively for hyalinized tissue with Hematoxylin-Eosin and Masson Trichrome stains. Besides, histological changes in the irradiated tissue were described using subjective grading scales. Results: The evaluated lasers developed a wide range of thermal damage with significant differences between groups. The samples with lowest thermal effect were those irradiated with Er,Cr:YSGG laser using water / air spray, followed by CO 2 and diode lasers. Conclusions: Emission parameters of each laser system may influence the thermal damage inflicted on the soft tissue, however, the wave length of each laser determines the absorption rate characteristics of every tissue and the thermal effect.

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Section: Discussionsupporting

confidence: 91%

Section: Discussionmentioning

confidence: 99%

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Histologic evaluation of thermal damage produced on soft tissues by CO2, Er,Cr:YSGG and diode lasers

Cercadillo-Ibarguren¹,

España-Tost²,

Arnabat-Domínguez³

et al. 2010

Med Oral

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“…An erbium laser can effectively control hemorrhaging, but strict hemostasis can be difficult because the laser operates in the pulsed mode. 17,18 Tissues appear slightly reddish during excision and chalky white after coagulation.…”

Section: Diode and Erbium Lasersmentioning

confidence: 99%

Soft-tissue lasers in orthodontics: An overview

Kravitz¹,

Kusnoto

2008

American Journal of Orthodontics and Dentofacial Orthopedics

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“…In the beginning laser devices used in dentistry were focused only on hard tissues. Although more than twenty years of experiments and investigations have established the capability of the laser systems to treat a great variety of pathological changes in the soft tissues of the oral cavity [1]. Today lasers are often used in dentist practices because of some their undeniable advantages: lack of bacterial contamination, strong hemostatical effect, postoperative reduction of the inflamation and serious decrease of pain levels amongst the patients [2,3].…”

Section: Introductionmentioning

confidence: 99%

Pathomorphological distinction between Er:YAG and diode lasers on the excisional biopsy of the oral mucosa

Tomov¹,

Bachurska²,

Tashkova³

et al. 2013

RusOMJ

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Background -In oral pathology, laser devices can provide important advantages, especially in the treatment of certain lesions. However, there is controversy about the use of some wavelengths in the analysis of suspected dysplastic or neoplastic lesions, raising doubt about the laser's suitability for use in biopsy procedures. The present pilot study evaluates the pathomorphological characteristics and suitability of Er:YAG and diode lasers for performing excisional biopsies in the oral mucosa with special emphasis on the extent of the thermal damage zone created. Material and Methods -10 patients were randomly assigned to one diode or one Er:YAG laser groups. The Er:YAG laser(2940nm) was used in a pulsed wave mode 200mJ/35Hz with a power of 7 W. Power settings for the diode laser(810 nm) were 3 W in a pulsed mode. The thermal damage zone of the two lasers and intraoperative and postoperative complications were assessed and compared.All biopsy specimens were evaluated by optical microscopy by threeblinded pathologists. After establishing the pathomorphological diagnosis of the lesion assessed, the pathologists measured the maximal width of the peripheral thermal damage zone in the specimen in μm and classified it using appropriate index. Results -The peripheral thermal damage zone on the borders of the excisional biopsies was significantly smaller with the Er:YAG laser compared to the diode laser regarding values in μm or pathomorphological index scores. No postoperative complications occurred in any of the two groups. Conclusions -The Er:YAG laser seems to be appropriate for excisional biopsies of benign oral mucosal lesions. The Er:YAG laser offers clear advantages in terms of smaller thermal damage zones over the diode laser. Although in some samples thermal damage was minimally visible, in all samples histological evaluation was clearly possible. The study demonstrated that the Er:YAG laser can be safely used in oral biopsy investigations while ensuring a successful histological evaluation, which is fundamental to correct clinical management.

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Effects of an erbium, chromium: yttrium, scandium, gallium, garnet laser on mucocutanous soft tissues

Cited by 89 publications

References 16 publications

Histologic evaluation of thermal damage produced on soft tissues by CO2, Er,Cr:YSGG and diode lasers

Histologic evaluation of thermal damage produced on soft tissues by CO2, Er,Cr:YSGG and diode lasers

Soft-tissue lasers in orthodontics: An overview

Pathomorphological distinction between Er:YAG and diode lasers on the excisional biopsy of the oral mucosa

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