The effect of transmitted Er:YAG laser energy through a dental ceramic on different types of resin cements

Tak, Önjen; Sarı, Tuğrul; Malkoç, Meral Arslan; Altintas, Subutayhan; Üşümez, Serdar; Gutknecht, Norbert

doi:10.1002/lsm.22394

Cited by 22 publications

(36 citation statements)

References 28 publications

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“…Resin cements have many advantages like; presenting low dissolution in saliva, providing high bond strength, increasing the fracture resistance of the all-ceramic restoration, having different color options and providing advanced aesthetics for final restoration. Besides these advantages, one of the major disadvantages of such adhesively luted ceramics is that the challenging removal procedure and it is almost impossible to remove the resin bonded all-ceramic restoration in one piece by the conventional removal techniques (1).…”

Section: Introductionmentioning

confidence: 99%

“…However, it is relatively; uncomfortable for patient, time-consuming, also having some risk about damaging the underlying tooth structure because of the lack of color contrast among the ceramic-cement-tooth interfaces. In addition, loss of restoration integrity prevents the reuse of the restoration, which could be desirable in case of the misalignment of the restoration during cementation or unexpected early inflammatory pulpal responses (1,4). To eliminate the disadvantages of conventional removal method, the use of laser debonding techniques was recently introduced as an alternative, more comfortable, safe, and conservative restoration removal method (4).…”

Section: Introductionmentioning

confidence: 99%

“…For this purpose, several lasers such as CO 2 (8), Nd:YAG (9), diode (10), ytterbium fiber (11) and Er:YAG (12) lasers were used and evaluated in many studies (4). There are few reports in the literature, which performed using Er:YAG (2940 nm) lasers (1,3,4,6,9,(12)(13)(14)(15)(16). The Er:YAG laser is highly absorbed in resin materials, so that it is an effective technique for the removal of composite resin fillings (4).…”

Section: Introductionmentioning

confidence: 99%

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Effects of Different Er:YAG Laser Parameters on Debonding Forces of Lithium Disilicate Veneers: A Pilot Study

Gözneli¹,

Karagoz-Yildirak²,

Ok-Tokac³

et al. 2019

ERD

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The aim of this study was to investigate the effects of different Er:YAG laser application parameters on shear bond strength values of all-ceramic restorations cemented to different tooth surfaces. Materials and Methods: Thirty lithium disilicate ceramic disc specimens (thickness of 1 mm and diameter of 3 mm) were fabricated and cemented by using a dual-cure resin cement to 30 non-carious, extracted mandibular incisors, which were divided into 2 as; tooth reduction on enamel and on dentin. Six test groups (n=5) were designed according to the application method; 1st group on enamel and without laser application, 2nd group on dentin and without laser application, 3rd group on enamel and laser applied (600mJ, 2 Hz), 4th group on dentin and laser applied (600mJ, 2 Hz), 5th group on enamel and laser applied (165mJ, 30 Hz), 6th group on dentin and laser applied (165mJ, 30 Hz). The Er:YAG laser was applied on each specimen for 3 seconds. After the laser application, all groups were subjected to shear bond strength test until fracture. The failure modes were also examined. The data were statistically analyzed by using one-way ANOVA and post hoc T-test at a 0.05 level of significance. Results: According to one-way ANOVA test, there was statistically significant differences between the groups (p<0.05). Post hoc T-test revealed no statistically significant difference only between the groups 2 and 5. The mean shear bond strength of the specimens of group 1 was statistically higher than that of all the other groups (p<0.001). Conclusion: Er:YAG laser-irradiation is a successful and effective application in removing ceramic veneers. When the depth of the tooth reduction amount increases, parameters such as; the frequency and energy of the laser application can be reduced for restorations with the same thicknesses.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Effects of Different Er:YAG Laser Parameters on Debonding Forces of Lithium Disilicate Veneers: A Pilot Study

Gözneli¹,

Karagoz-Yildirak²,

Ok-Tokac³

et al. 2019

ERD

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show abstract

“…10 Parametry lasera powinny być dostosowane do rodzaju ceramiki, grubości i stopnia przezierności uzupełnienia oraz rodzaju cementu kompozytowego zastosowanego do osadzenia uzupełnienia. 10,[45][46][47] Przenikalność dla promieniowania laserowego maleje gdy zwiększa się warstwa ceramiki oraz kiedy zmniejsza się stopień jej przezierności. 47 Morford i wsp.…”

Section: Wstępunclassified

“…Tak i wsp. 46 zastosowali laser o mocy 1,2W (2Hz × 600mJ) i impulsie -1µs zakładając, że będzie to bezpieczniejsze dla powierzchni szkliwa, ponieważ przy wzroście długości impulsu zjawisko ablacji szkliwa pojawia się przy zastosowaniu wyższej energii lasera. 48 Rechmann i wsp.…”

Section: Wstępunclassified

Removal of adhesively bonded all-ceramic restorations

Szewczyk¹

2019

Prosthodontics

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Morphological, optical, and elemental analysis of dental enamel after debonding laminate veneer with Er,Cr:YSGG laser: A pilot study

Zanini

Rabelo

Zamataro

et al. 2020

Microscopy Res & Technique

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Laminate veneer removal is becoming a routine procedure at the dental clinic and the use of laser can facilitate its removal. This work aimed to evaluate the morphological, elemental, and optical changes in the remaining enamel after veneer removal using Er,Cr:YSGG laser. Forty‐four enamel slabs were prepared and randomly distributed into nine experimental groups, for bonding using lithium disilicate laminates with three different luting agents (Variolink Veneer, RelyX U200, and RelyX Veneer). Then each agent was debonded using Er,Cr:YSGG laser (2.78 μm) using two different protocols:3.5 W, 48.14 J/cm2, 20 Hz non‐contact and 3.0 W, 48.14 J/cm2, 20 Hz non‐contact. The morphological, optical, and elemental analysis of enamel was performed before cementation and after laser debonding, using scanning electron microscopy (SEM), optical coherence tomography (OCT), and energy‐dispersive X‐ray spectroscopy (EDS). The level of statistical significance adopted was 5%. The EDS analysis of enamel after debonding revealed a significant increase in silane and carbon, as well as a decrease in calcium and phosphate contents. Analysis showed the presence of residual cement in most experimental groups but the morphological analysis showed alteration of the enamel's prisms only in the groups that used RelyX Veneer and Variolink Veneer cements. There was no evidence of deleterious morphological changes resulting from irradiation. However, an increase in the optical attenuation coefficient by the OCT was observed due to the presence of the remaining cement. It can be concluded that the Er,Cr:YSGG laser, in the mean powers used, is efficient for veneer removal without causing deleterious effects for the enamel.

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The effect of transmitted Er:YAG laser energy through a dental ceramic on different types of resin cements

Abstract: All the resin cements tested in this study were effected by the Er:YAG laser irradiation and there were significant differences among the resin cements with regard to ablation volume. Lasers Surg. Med. 47:602-607, 2015. © 2015 Wiley Periodicals, Inc.

Cited by 22 publications

References 28 publications

Effects of Different Er:YAG Laser Parameters on Debonding Forces of Lithium Disilicate Veneers: A Pilot Study

Effects of Different Er:YAG Laser Parameters on Debonding Forces of Lithium Disilicate Veneers: A Pilot Study

Removal of adhesively bonded all-ceramic restorations

Morphological, optical, and elemental analysis of dental enamel after debonding laminate veneer with Er,Cr:YSGG laser: A pilot study

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