SEM evaluation of the interaction pattern between dentin and resin after cavity preparation using ER:YAG laser

Schein, M

doi:10.1016/s0300-5712(03)00003-4

Cited by 73 publications

(72 citation statements)

References 44 publications

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“…However, higher bond strengths were observed for the acid group, and lower bond strengths were obtained for the YAG group. The results of this study are in agreement with the works of Ceballos et al 11 and Schein et al 35 Remnant denatured collagen fibrils were fused and poorly attached to the underlying dentin substrate along the basal part of the laser-modified layer. The presence of this fused layer in which interfibrillar spaces were lacking probably restricted resin diffusion into the subsurface intertubular dentin, resulting in a lower SBS for laser-etched dentin.…”

supporting

confidence: 93%

Evaluation of the Bond Strength of Resin Cements Used to Lute Ceramics on Laser-Etched Dentin

Giray

Düzdar

Öksüz

et al. 2014

Photomedicine and Laser Surgery

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Objective: The purpose of this study was to investigate the shear bond strength (SBS) of two different adhesive resin cements used to lute ceramics on laser-etched dentin. Background data: Erbium, chromium: yttrium, scandium, gallium, garnet (Er,Cr:YSGG) laser irradiation has been claimed to improve the adhesive properties of dentin, but results to date have been controversial, and its compatibility with existing adhesive resin cements has not been conclusively determined. Materials and methods: Two adhesive cements, one ''etch-and-rinse'' [Variolink II (V)] and one ''self-etch'' [Clearfil Esthetic Cement (C)] luting cement, were used to lute ceramic blocks (Vita Celay Blanks, Vita) onto dentin surfaces. In total, 80 dentin specimens were distributed randomly into eight experimental groups according to the dentin surface-etching technique used Er,Cr:YSGG laser and Er:YAG laser: (1) 37% orthophosphoric acid + V (control group), (2) Er,Cr:YSGG laser + V, (3) Er,Cr:YSGG laser + acid + V, (4) Er:YAG laser + V, (5) Er:YAG laser + acid + V, (6) C, (7) Er,Cr:YSGG laser + C, and (8) Er:YAG laser + C. Following these applications, the ceramic discs were bonded to prepared surfaces and were shear loaded in a universal testing machine until fracture. SBS was recorded for each group in MPa. Shear test values were evaluated statistically using the Mann-Whitney U test. Results: No statistically significant differences were evident between the control group and the other groups ( p > 0.05). The Er,Cr:YSGG laser + A + V group demonstrated significantly higher SBS than did the Er,Cr:YSGG laser + V group ( p = 0.034). The Er,-Cr:YSGG laser + C and Er:YAG laser + C groups demonstrated significantly lower SBS than did the C group ( p < 0.05). Conclusions: Dentin surfaces prepared with lasers may provide comparable ceramic bond strengths, depending upon the adhesive cement used.

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supporting

confidence: 93%

Evaluation of the Bond Strength of Resin Cements Used to Lute Ceramics on Laser-Etched Dentin

Giray

Düzdar

Öksüz

et al. 2014

Photomedicine and Laser Surgery

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“…21,24 Laser irradiation seems not to be able to create an inter-diffusion zone similar to that created by acid etching. 37,39,40 It is worth mentioning that verification, i.e. recrystallization of dentin apatite and formation of more calcium phosphate, has not been evaluated thoroughly.…”

Section: Discussionmentioning

confidence: 99%

An In Vitro Comparison of the Bond Strength of Composite to Superficial and Deep Dentin, Treated With Er:YAG Laser Irradiation or Acid-Etching

et al. 2016

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“…Laser irradiation of the dentinal substrate not only can result in consequences on collagen fibers but also can influence the quality of the mineral content of this substrate. Laser effectively influences the acid resistance of the dentin, as demonstrated by Schein and others 25 in Er:YAG lased dentin. Therefore, it seems that the quality of the hybrid layer is not satisfactory in laserablated dentin.…”

Section: Discussionmentioning

confidence: 84%

Cervical Margin Integrity of Class II Resin Composite Restorations in Laser- and Bur-Prepared Cavities Using Three Different Adhesive Systems

Oskoee

Kimyai

Ebrahimi³

et al. 2012

Operative Dentistry

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Bur-prepared cavities represented less interfacial gap width than laser-prepared cavities. A self-etching adhesive system showed the least interfacial gap compared to etch-and-rinse adhesives and performed similarly in bur-and laser-prepared cavities. SUMMARYOne of the challenges in durability of posterior tooth-colored restorative materials is polymerization shrinkage, which results in gap formation between the restoration and tooth structure. The aim of the present study was to investigate marginal adaptation of Class II composite restorations using a self-etching and two etch-and-rinse adhesive systems in cavities prepared either with bur or Er,-Cr:YSGG laser. A total of 45 extracted sound human premolars were selected. In each tooth, mesial and distal Class II cavities were prepared either by a diamond bur or by Er,-Cr:YSGG laser with the margins 1 mm apical to the cemento-enamel junction. Then the teeth were randomly divided into three groups of 15 each, according to the type of the adhesive system used (Single Bond, Single Bond 2, Parnian Alizadeh Oskoee, DDS, MS, associate professor,

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SEM evaluation of the interaction pattern between dentin and resin after cavity preparation using ER:YAG laser

Cited by 73 publications

References 44 publications

Evaluation of the Bond Strength of Resin Cements Used to Lute Ceramics on Laser-Etched Dentin

Evaluation of the Bond Strength of Resin Cements Used to Lute Ceramics on Laser-Etched Dentin

An In Vitro Comparison of the Bond Strength of Composite to Superficial and Deep Dentin, Treated With Er:YAG Laser Irradiation or Acid-Etching

Cervical Margin Integrity of Class II Resin Composite Restorations in Laser- and Bur-Prepared Cavities Using Three Different Adhesive Systems

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