INFLUENCE OF ER,CR:YSGG LASER SURFACE TREATMENTS ON MICRO PUSH-OUT BOND STRENGTH OF FIBER POSTS TO COMPOSITE RESIN CORE MATERIALS

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GHAVAMI LAHIJI M.; BENEDICENTI S.; KARIMIAN R.; SHAHABI S.

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Journal Paper

Paper Information

Journal: JOURNAL OF DENTAL BIOMATERIALS Year:2018 | Volume:5 | Issue:1 Page(s): 533-542

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Title

INFLUENCE OF ER,CR:YSGG LASER SURFACE TREATMENTS ON MICRO PUSH-OUT BOND STRENGTH OF FIBER POSTS TO COMPOSITE RESIN CORE MATERIALS

Author(s)

GHAVAMI LAHIJI M. | BENEDICENTI S. | KARIMIAN R. | SHAHABI S. | Issue Writer Certificate

Keywords

FIBER POST

RESIN CORE BUILD-UP

CR:YSGG LASER

BOND STRENGTH

Abstract

Statement of problem: The bonding of FIBER POST to resin core or root dentin is challenged by limited penetration of resin material to the polymeric matrix of FIBER POSTs.Objectives: The purpose of this study was to investigate the effect of ER, Cr: YSGG on micro push-out BOND STRENGTH of glass FIBER POSTs to resin core material.Materials and Methods: We used 2 commercially available FIBER POSTs, Exacto (Angelus) and White Post DC (FGM), which had similar coronal diameters. Specimens of each FIBER POST (n=36) were randomly divided into three subgroups (n=12 posts per group) according to different surface treatment methods: control (no surface treatment), irradiation by 1W ER, Cr: YSGG, and irradiation by 1.5W ER, Cr: YSGG. A cylindrical plastic tube was placed around the post. Resin core material was filled into the tube and cured. Coronal portions of the posts were sectioned into 1-mm-thick slices. Then, the specimens were subjected to a thermocyling device for 3000 cycles. The micro push-out test was carried out using a Universal Testing Machine. Data were analyzed using one-way ANOVA followed by Tukey’s HSD post hoc test to investigate the effect of different surface treatments on each type of FIBER POST.Results: The 1.5W ER, Cr: YSGG laser statistically reduced micro push-out BOND STRENGTH values in the Exacto groups (P<0.05). However, there was no significant difference between the control and 1W ER, Cr: YSGG groups. We observed no significant difference among different surface treatment methods in the White post DC groups (P>0.05). Mode of failure analysis showed that mixed failure was the predominant failure type for all surface treatment groups.Conclusions: The beneficial effect of ER, Cr: YSGG laser application could not be confirmed based on the results of this in vitro study. ER, Cr: YSGG laser could not significantly enhance the BOND STRENGTH values. However, the 1.5W laser statistically decreased micro push-out BOND STRENGTH in the Exacto FIBER POSTs.

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References

BOND STRENGTH OF FIBER POSTS TO COMPOSITE CORE: EFFECT OF SURFACE TREATMENT WITH ER, CR: YSGG LASER AND THERMOCYCLING

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APA: Copy

GHAVAMI LAHIJI, M., BENEDICENTI, S., KARIMIAN, R., & SHAHABI, S.. (2018). INFLUENCE OF ER,CR:YSGG LASER SURFACE TREATMENTS ON MICRO PUSH-OUT BOND STRENGTH OF FIBER POSTS TO COMPOSITE RESIN CORE MATERIALS. JOURNAL OF DENTAL BIOMATERIALS, 5(1), 533-542. SID. https://sid.ir/paper/343911/en

Vancouver: Copy

GHAVAMI LAHIJI M., BENEDICENTI S., KARIMIAN R., SHAHABI S.. INFLUENCE OF ER,CR:YSGG LASER SURFACE TREATMENTS ON MICRO PUSH-OUT BOND STRENGTH OF FIBER POSTS TO COMPOSITE RESIN CORE MATERIALS. JOURNAL OF DENTAL BIOMATERIALS[Internet]. 2018;5(1):533-542. Available from: https://sid.ir/paper/343911/en

IEEE: Copy

M. GHAVAMI LAHIJI, S. BENEDICENTI, R. KARIMIAN, and S. SHAHABI, “INFLUENCE OF ER,CR:YSGG LASER SURFACE TREATMENTS ON MICRO PUSH-OUT BOND STRENGTH OF FIBER POSTS TO COMPOSITE RESIN CORE MATERIALS,” JOURNAL OF DENTAL BIOMATERIALS, vol. 5, no. 1, pp. 533–542, 2018, [Online]. Available: https://sid.ir/paper/343911/en

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