Transmission of Er:YAG Laser Through Different Dental Ceramics

Sarı, Tuğrul; Tuncel, İlkin; Üşümez, Aslıhan; Gutknecht, Norbert

doi:10.1089/pho.2013.3611

Cited by 56 publications

(80 citation statements)

References 14 publications

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“…In our study, we used lithium disilicatereinforced ceramics with thicknesses of 0.5 mm. According to Sari et al [22], this results in 88 % transmission or 12 % absorption on porcelain surfaces, and our results show that the absorption may have positive effect on surface modification. Additionally, we could not find any weakness or bond failure between the dentine and PLV surfaces in our specimens.…”

Section: Discussionsupporting

confidence: 74%

Porcelain laminate veneer conditioning for orthodontic bonding: SEM-EDX analysis

et al. 2014

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The purpose of this in vitro study was to evaluate and compare the effects of different surface treatments and laser irradiation on the bond strength of brackets bonded to porcelain laminate veneer. Porcelain laminate veneer specimens were embedded in the centers of acrylic resin blocks. Thirty-nine teeth were used for shear bond strength testing and the remaining three (one tooth for each group) were used for evaluation of the debonded bracket interface. Specimens were randomly divided into three groups, each containing 13 specimens. The details of the groups are as follows: Group SB, sandblasting with alumina particles (50 μm); Group HFA, 9.6 % hydrofluoric acid etching; Group ER, erbium-doped yttrium-aluminum-garnet (Er: YAG) irradiation (from 1 mm distance, 2 W, 10 Hz for 10 s). After conditioning, the upper central brackets were bonded to the porcelain surfaces. Porcelain laminate veneers were examined under stereomicroscope for adhesive remnant index and surface damage after debonding. The highest shear bond strength values were obtained with Group HFA (10.8 ± 3.8 MPa) and Group ER (9.3 ± 1.5 MPa), whereas Group SB revealed the lowest values. Scanning electron microscopy energy-dispersive X-ray (SEM-EDX) analysis revealed that the silicon level in the porcelain decreased after debonding in all groups. The sandblasting method did not demonstrate any ideal bond strength values; however, the 9.6 % hydrofluoric acid etching and Er: YAG laser did. There were no significant differences among all groups in terms of laminate surface damages. The Er: YAG laser therefore can be selected for ideal bond strength and minimal damage to porcelain laminates.

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Section: Discussionsupporting

confidence: 74%

Porcelain laminate veneer conditioning for orthodontic bonding: SEM-EDX analysis

et al. 2014

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“…2014 Sari et al published a study about the absorption and transmission of the Er:-YAG laser applied for 5 seconds through different types of ceramics [7]. The E-max press had the higher transmittance value.…”

Section: Discussionmentioning

confidence: 99%

“…Sari et al [11] performed an interesting study comparing the transmission of Er:YAG's light (500mJ, 2Hz, 1W) through 5 types of common restorative materials (feldspatic ceramic, lithium disilicate, monolithic zirconia, zirconium with sintered ceramic and alumina ceramic). 0.5mm and 1mm thickness discs were made with every material.…”

Section: Discussionmentioning

confidence: 99%

CO<sub>2</sub> and Er,Cr:YSGG Laser Applications in Debonding Ceramic Materials: An in Vitro Study

Al-maajoun¹,

Henar²,

Tost³

et al. 2017

ojdom

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Introduction: The aim of this study is to measure the strength needed to debond ceramic cylinders by using CO 2 and Er,Cr:YSGG lasers. Materials and methods: The in vitro experiment consists of 60 human teeth divided in 3 groups: Group 1 control, Group 2 with 3 seconds application of CO 2 laser, and Group 3 with 5 seconds application of Er,Cr:YSGG laser. The 3mmx3mm cylinders are made with E-max Press pressed ceramic and are cemented to the teeth with Relyx®. After the laser application on the samples, a Shear Bond Tester device was used to measure the shear strength. Results: Significant differences are found between the Group 1 control and the two treated with laser (p<0.001). Conclusion: The use of CO 2 and Er,Cr:YSGG lasers can be considered as a valid and safe method of ceramic restoration debonding. Further studies are necessary to evaluate different currents, the use water spray and different debonding times.

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“…Over the last five years, most in vitro studies have focused mainly on the effect of surface treatment on the wear of the material itself and/or antagonists,[24À35] surface roughness, [24,25,27,34,36À38] fracture resistance, [35,39À45] flexural strength, [23,44,46] chipping resistance, [23] compressive strength, [44] elastic modulus, [44] hardness, [33] laser transmission, [47] LTD [48] and CTE-generated stress fields in monolithic zirconia, [49] translucency and colour (Table 1). [35,46,50À56] Although the results from in vitro studies may not fully reflect the clinical performance of the materials due to the complexity of the clinical environment, they have still contributed to the accumulation of a growing body of useful information on the performance of monolithic zirconia.…”

Section: In Vitro Studiesmentioning

confidence: 99%

“…Sari et al [47] tested the erbium-doped yttrium aluminium garnet (Er:YAG) laser transmission ratio through different dental ceramics with a thickness of 0.5 and 1 mm.…”

Section: Transmission Of Er-yag Lasermentioning

confidence: 99%

An overview of monolithic zirconia in dentistry

Malkondu

Tınastepe

Akan

et al. 2016

Biotechnology & Biotechnological Equipment

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Zirconia restorations have been used successfully for years in dentistry owing to their biocompatibility and good mechanical properties. Because of their lack of translucency, zirconia cores are generally veneered with porcelain, which makes restorations weaker due to failure of the adhesion between the two materials. In recent years, all-ceramic zirconia restorations have been introduced in the dental sector with the intent to solve this problem. Besides the elimination of chipping, the reduced occlusal space requirement seems to be a clear advantage of monolithic zirconia restorations. However, scientific evidence is needed to recommend this relatively new application for clinical use. This mini-review discusses the current scientific literature on monolithic zirconia restorations. The results of in vitro studies suggested that monolithic zirconia may be the best choice for posterior fixed partial dentures in the presence of high occlusal loads and minimal occlusal restoration space. The results should be supported with much more in vitro and particularly in vivo studies to obtain a final conclusion.

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Transmission of Er:YAG Laser Through Different Dental Ceramics

Abstract: Ceramic type and thickness should be taken into consideration to adjust the laser irradiation parameters during laser debonding of adhesively luted all-ceramic restorations.

Cited by 56 publications

References 14 publications

Porcelain laminate veneer conditioning for orthodontic bonding: SEM-EDX analysis

Porcelain laminate veneer conditioning for orthodontic bonding: SEM-EDX analysis

CO<sub>2</sub> and Er,Cr:YSGG Laser Applications in Debonding Ceramic Materials: An in Vitro Study

An overview of monolithic zirconia in dentistry

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