The Journal of Advanced Prosthodontics

  • 제3권1호
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  • Pages.16-19
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  • 2011
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  • 2005-7806(pISSN)
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  • 2005-7814(eISSN)
대한치과보철학회 (The Korean Academy of Prosthodonitics)
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The effect of denture base surface pretreatments on bond strengths of two long term resilient liners

  • 투고 : 2011.01.15
  • 심사 : 2011.02.13
  • 발행 : 2011.03.31
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초록

PURPOSE. Purpose of this study was to evaluate effect of two surface treatments, sandblasting and monomer treatment, on tensile bond strength between two long term resilient liners and poly (methyl methacrylate) denture base resin. MATERIALS AND METHODS. Two resilient liners Super-Soft and Molloplast-B were selected. Sixty acrylic resin (Trevalon) specimens with cross sectional area of $10{\times}10$ mm were prepared and divided into two groups of 30 specimens each. Each group was surface treated (n = 10) by sandblasting (250 ${\mu}$ alumina particles), monomer treatment (for 180 sec) and control (no surface treatment). Resilient liners were processed between 2 poly(methyl methacrylate) surfaces, in the dimensions of $10{\times}10{\times}3$ mm. Tensile strength was determined with Instron Universal testing machine, at a crosshead speed of 5 mm/min; and the modes of failure (adhesive, cohesive or mixed) were recorded. The data were analyzed using one-way ANOVA, followed by Tukey HSD test (${\alpha}$= 0.05). RESULTS. Monomer pretreatment of acrylic resin produced significantly higher bond strengths when compared to sandblasting and control for both resilient liners (P < .001). Sandblasting significantly decreased the bond strength for both the liners when compared to monomer pretreatment and control (P < .001). Mean bond strength of Super-Soft lined specimens was significantly higher than Molloplast-B in various surface treatment groups (P < .05). CONCLUSION. Surface pretreatment of the acrylic resin with monomer prior to resilient liner application is an effective method to increase bond strength between the base and soft liner. Sandblasting, on the contrary, is not recommended as it weakens the bond between the two.

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참고문헌

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피인용 문헌

  1. Long-Term Soft Denture Lining Materials vol.7, pp.8, 2014, https://doi.org/10.3390/ma7085816
  2. Tensile Bond Strength of a Soft Liner to an Acrylic Resin after Primer Application and Thermocycling vol.18, pp.6, 2015, https://doi.org/10.1590/1516-1439.024415
  3. Influence of ozone and paracetic acid disinfection on adhesion of resilient liners to acrylic resin vol.8, pp.4, 2016, https://doi.org/10.4047/jap.2016.8.4.290
  4. Bond Strength of Resilient Lining Materials to Denture Base Resin: A Systematic Review and Meta-Analysis pp.1059941X, 2018, https://doi.org/10.1111/jopr.12958
  5. An In-Vitro Assessment of Surface Roughness, Tensile Bond Strength and Antifungal Activity of Grape Seed Extract-modified Soft Liner vol.21, pp.4, 2011, https://doi.org/10.5005/jp-journals-10024-2810
  6. Curcumin Containing Soft Liner as an Alternative Treatment Modality for Oral Candidiasis vol.12, pp.6, 2011, https://doi.org/10.5005/jp-journals-10015-1867
  7. The Effect of Sandblasting on Bond Strength of Soft Liners to Denture Base Resins: A Systematic Review and Meta-Analysis of In Vitro Studies vol.2021, pp.None, 2011, https://doi.org/10.1155/2021/5674155
  8. Soft Denture Liner Adhesion to Conventional and CAD/CAM Processed Poly(Methyl Methacrylate) Acrylic Denture Resins-An In-Vitro Study vol.14, pp.21, 2011, https://doi.org/10.3390/ma14216614