Top

Lasers in Dental Science

Published in:

01-09-2018 | Original Article

Effects of different Er,Cr:YSGG laser parameters on dentin shear bond strength and interface morphology: an in vitro study

Author: Sherif Abdelsalam Mohamad

Published in: Lasers in Dental Science | Issue 3/2018

Abstract

Purpose

The aim of this in vitro study is to evaluate the effect of Er,Cr:YSGG laser parameters, specifically power (Watt) and frequency (Hertz), throughout both, shear bond strength (SBS) and dentin-composite interface morphology, when using laser etch as an alternative to acid etching with a “two-step” total etch adhesive.

Methods

Thirty-six human sound molars were mounted on acrylic blocks, randomly divided into six groups, six teeth into each group, where five teeth were selected for the SBS test, and one sectioned for the scanning electron microscope (SEM) analysis. Teeth were sliced occlusally to expose a flattened dentin surface, then grouped according to various treatments: control group, only treated with phosphoric acid etchant; and groups 1–5, only treated with Er,Cr,:YSGG laser irradiating at 3 W/25 Hz, 3 W/50 Hz, 4 W/25 Hz, 4 W/50 Hz, and 5 W/75 Hz respectively. The adhesive was applied followed by composite build up. SBS test was carried out using a universal testing machine. The resin-dentin interface was analyzed utilizing a SEM.

Results

The control group showed the highest SBS values (11.38 ± 2.03 Mpa). Group 5 (5 W/75 Hz) was the second highest (8.46 ± 1.82 Mpa), yet the highest among the entire laser-irradiated groups, showing a marginal/borderline significance with the control group (P = 0.044). Group 3 (4 W/25 Hz) came second through the laser samples (7.41 ± 0.97 Mpa). SEM analysis manifested premier retentive composite dentin interface among the control group and groups 5 and 3.

Conclusion

When applying Er,Cr,:YSGG laser solely for dentin etching, adjusting the settings to a power of 5 W and frequency at 75 Hz will lead to optimum results regarding both SBS and interface morphology.

Ergücü Z, Celik EU, Unlü N, Türkün M, Ozer F (2009) Effect of Er,Cr:YSGG laser on the microtensile bond strength of two different adhesives to the sound and caries-affected dentin. Oper Dent 34(4):460–466. https://doi.org/10.2341/08-005-l CrossRefPubMed

Davari A, Sadeghi M, Bakhshi H (2013) Shear bond strength of an etch-and-rinse adhesive to ER:YAG laser- and/or phosphoric acid-treated dentin. JODDD 7(2):67–73. https://doi.org/10.5681/joddd.2013.012 PubMed

Van Meerbeek B, Inokoshi S, Braem M, Lambrechts P, Vanherle G (1992) Morphological aspects of the resin-dentin interdiffusion zone with different dentin adhesive systems. J Dent Res 71(8):1530–1540. https://doi.org/10.1177/00220345920710081301 CrossRefPubMed

Nakabayashi N, Kojima K, Masuhara E (1982) The promotion of adhesion by the infiltration of monomers into tooth substrates. J Biomed Mater Res 16(3):265–273. https://doi.org/10.1002/jbm.820160307 CrossRefPubMed

Tarçin B, Günday M, Oveçoğlu HS, Türkmen C, Oveçoğlu ML, Oksüz M, Ay M (2009) Tensile bond strength of dentin adhesives on acid- and laser-etched dentin surfaces. Quintessence Int 40(10):865–874PubMed

Rizoiu I, Kohanghadosh F, Kimmel AI, Eversole LR (1998) Pulpal thermal responses to an erbium, chromium: YSGG pulsed laser hydrokinetic system. Oral Surg Oral Med Oral Pathol Oral Radiol Endodontics 86(2):220–223. https://doi.org/10.1016/s1079-2104(98)90128-7 CrossRef

Türkün M, Türkün LS, Celik EU, Ateş M (2006) Bactericidal effect of Er,Cr:YSGG laser on Streptococcus mutans. Dent Mater J 25(1):81–86. https://doi.org/10.4012/dmj.25.81 CrossRefPubMed

Lee BS, Lin PY, Chen MH, Hsieh TT, Lin CP, Lai JY, Lan WH (2007) Tensile bond strengthof Er,Cr:YSGG laser-irradiated human dentin and analysis of dentin-resin interface. Dent Mater 23(5):570–578. https://doi.org/10.1016/j.dental.2006.03.016 CrossRefPubMed

Yildirim T, Ayar MK, Yesilyurt C (2015) Influence of different Er,Cr:YSGG laser parameters on long-term dentin bond strength of self-etch adhesive. Lasers Med Sci 30(9):2363–2368. https://doi.org/10.1007/s10103-015-1825-3 CrossRefPubMed

10.

Hassoon SN (2015) Evaluation of shear bond strength of composite resin to dentin after etching with Er,Cr:YSGG laser and conventional acid etch (an in vitro study). Tikrit J Dental Sci 3(1):45–54

11.

Bahrololoomi Z, Kabudan M, Gholami L (2015) Effect of Er:YAG laser on shear bond strength of composite to enamel and dentin of primary teeth. J dent (Tehran) 12(3):163–170

12.

Chimello-Sousa DT, deSouza AE, Chinelatti MA, JD P’c, Palma-Dibb RG, Milori Corona SA (2006) Influence of Er:YAG laser irradiation distance on the bond strength of a restorative system to enamel. J Dent 34(3):245–251. https://doi.org/10.1016/j.jdent.2005.06.009 CrossRefPubMed

13.

Gutknecht N, Apel C, Schäfer C, Lampert F (2001) Microleakage of composite fillings in Er,Cr:YSGG laser-prepared class II cavities. Lasers Surg Med 28(4):371–374. https://doi.org/10.1002/lsm.1064 CrossRefPubMed

14.

Sung EC, Chenard T, Caputo AA, Amodeo M, Chung EM, Rizoiu IM (2005) Composite resin bond strength to primary dentin prepared with Er, Cr:YSSG laser. J Clin Pedia Dentis 30(1):45–49. https://doi.org/10.17796/jcpd.30.1.el385u211tnu2574 CrossRef

15.

Yazici AR, Karaman E, Tuncer D, Berk G, Ertan A (2016) Effect of an Er,Cr:YSGG laser preparation on dentin bond strength of a universal adhesive. J Adhes Sci Technol 30(22):2477–2484. https://doi.org/10.1080/01694243.2016.1184812 CrossRef

16.

de Carvalho RC, de Freitas PM, Otsuki M, de Eduardo CP, Tagami J (2008) Micro-shear bond strength of Er:YAG-laser-treated dentin. Lasers Med Sci 23(2):117–124. https://doi.org/10.1007/s10103-006-0434-6 CrossRefPubMed

17.

Başaran EG, Ayna E, Başaran G, Beydemir K (2011) Influence of different power outputs of erbium, chromium: yttrium-scandium-gallium-garnet laser and acid etching on shear bond strengths of a dual-cure resin cement to enamel. Lasers Med Sci 26(1):13–19. https://doi.org/10.1007/s10103-009-0742-8 CrossRefPubMed

18.

El-Araby AM, Talic YF (2007) The effect of thermocycling on the adhesion of self-etching adhesives on dental enamel and dentin. J Contemp Dent Pract 8(2):17–24PubMed

19.

Sangwichit K, Kingkaew R, Pongprueksa P, Senawongse P (2016) Effect of thermocycling on the durability of etch-and-rinse and self-etch adhesives on dentin. Dent Mater J 35(3):360–368. https://doi.org/10.4012/dmj.2015-253 CrossRefPubMed

20.

Dunn WJ, Davis JT, Bush AC (2005) Shear bond strength and SEM evaluation of composite bonded to Er:YAG laser-prepared dentin and enamel. Dent Mater 21(7):616–624. https://doi.org/10.1016/j.dental.2004.11.003 CrossRefPubMed

21.

Esteves-Oliveira M, Zezell DM, Apel C, Turbino ML, Aranha AC, Eduardo Cde P, Gutknecht N (2007) Bond strength of self-etching primer to bur cut, Er,Cr:YSGG, and Er:YAG lased dental surfaces. Photomed Laser Surg 25(5):373–380. https://doi.org/10.1089/pho.2007.2044 CrossRefPubMed

22.

Cardoso MV, Coutinho E, Ermis RB, Poitevin A, Van Landuyt K, De Munck J, Carvalho RC, Lambrechts B, Van Meerbeek B (2008) Influence of Er,Cr: YSGG laser treatment on the microtensile bond strength of adhesives to dentin. Journal of Adhesive Dentistry 10(1):25–33. doi:https://doi.org/10.3290/j.jad.a13088

23.

Ceballo L, Toledano M, Osorio R, Tay FR, Marshall GW (2002) Bonding to Er-YAG-laser-treated dentin. J Dent Res 81(2):119–122. https://doi.org/10.1177/0810119 CrossRefPubMed

24.

Aoki A, Ishikawa I, Yamada T, Otsuki M, Watanabe H, Tagami J, Ando Y, Yamamoto H (1998) Comparison between Er:YAG laser and conventional technique for root caries treatment in vitro. J Dent Res 77(6):1404–1414. https://doi.org/10.1177/00220345980770060501 CrossRefPubMed

25.

Pashley DH, Sano H, Ciucchi B, Carvalho RM, Russell CM (1995) Bond strength versus dentin structures: a modelling approach. Arch Oral Biol 40(12):1109–1118. https://doi.org/10.1016/0003-9969(95)00090-9 CrossRefPubMed

26.

Lin S, Caputo AA, Eversole LR, Rizoiu I (1999) Topographical characteristics and shear bond strength of tooth surfaces cut with a laser-powered hydrokinetic system. J Prosthet Dent 82(4):451–455. https://doi.org/10.1016/s0022-3913(99)70033-8 CrossRefPubMed

27.

Ayar MK, Yildirim T, Yesilyurt C (2015) Effects of Er,Cr: YSGG laser parameters on dentin bond strength and interface morphology. Microsc Res Tech 78(12):1104–1111. https://doi.org/10.1002/jemt.22591 CrossRefPubMed

28.

Sun X, Ban J, Sha X, Wang W, Jiao Y, Wang W, Yang Y, Wei J, Shen L, Chen J (2015) Effect of Er, Cr: YSGG laser at different output powers on the micromorphology and the bond property of non-carious sclerotic dentin to resin composites. PLoS One 10(11):e0142311. https://doi.org/10.1371/journal.pone.0142311 CrossRefPubMedPubMedCentral

29.

Chou JC, Chen CC, Ding SJ (2009) Effect of Er,Cr:YSGG laser parameters on shear bond strength and microstructure of dentine. Photomed Laser Surg 27(3):481–486. https://doi.org/10.1089/pho.2008.2282 CrossRefPubMed

30.

Villela-Rosa AC, Gonçalves M, Orsi IA, Miani PK (2011) Shear bond strength of self-etch and total-etch bonding systems at different dentin depths. Brazilian Oral Research 25(2):109–115. https://doi.org/10.1590/s1806-83242011005000008 CrossRefPubMed

31.

Hegde MN, Manjunath J (2011) Bond strength of newer dentin bonding agents in different clinical situations. Oper Dent 36(2):169–176. https://doi.org/10.2341/10-55-l CrossRefPubMed

32.

Nassar AA, El-Sayed HY, Etman WM (2016) Effect of different desensitizing adhesive systems on the shear bond strength of composite resin to dentin surface. Tanta Dental J 13(2):109–117. https://doi.org/10.4103/1687-8574.188913 CrossRef

33.

Numan FG (2012) Evaluation the effect of eugenol containing temporary fillings on shear bond strength of composite restoration. Mustansiria Dent J 9(2):159–163

34.

Montagner AF, Skupien JA, Borges MF, Krejci I, Bortolotto T, Susin AH (2015) Effect of sodium hypochlorite as dentinal pretreatment on bonding strength of adhesive systems. Indian J Dent Res 26(4):416–420. https://doi.org/10.4103/0970-9290.167633 CrossRefPubMed

35.

Ravikumar N, Shankar P, Indira R (2011) Shear bond strengths of two dentin bonding agents with two desensitizers: an in vitro study. J Conserv Dent 14(3):247–251. https://doi.org/10.4103/0972-0707.85802 CrossRefPubMedPubMedCentral

Title: Effects of different Er,Cr:YSGG laser parameters on dentin shear bond strength and interface morphology: an in vitro study
Author: Sherif Abdelsalam Mohamad
Publication date: 01-09-2018
Publisher: Springer International Publishing
Published in: Lasers in Dental Science / Issue 3/2018
Electronic ISSN: 2367-2587
DOI: https://doi.org/10.1007/s41547-018-0031-6

At a glance: The STEP trials

Springer Medicine

Effects of different Er,Cr:YSGG laser parameters on dentin shear bond strength and interface morphology: an in vitro study

Abstract

Purpose

Methods

Results

Conclusion

At a glance: The STEP trials

Springer Medicine

Abstract

Purpose

Methods

Results

Conclusion

Please log in to get access to this content

Other articles of this Issue 3/2018

The effectiveness of different Er,Cr:YSGG laser settings in smear layer on osteotomy sites for dental implants

Surgical laser oral depigmentation procedure: an investigation on the optimum power settings using Er:YAG laser

The effect of self-etching adhesive system associated with different energy densities of Nd:YAG laser on microtensile bond strength to dentin

Erbium lasers in operative dentistry—a literature review

Corrosion behavior of erbium chromium-doped yattrium-scandium-gallium-garnet (Er,Cr:YSGG 2780 nm) laser-treated titanium alloy used for dental applications at different pH conditions (in vitro study)

Outcome of 940-nm diode laser-assisted endodontic treatment of teeth with apical periodontitis: a retrospective study of clinical cases