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The Effect of Lithium Disilicate Ceramic Surface Neutralization on Wettability of Silane Coupling Agents and Adhesive Resin Cements

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Abstract

This in vitro study was aimed to evaluate the possible changes in wettability of an etched glass ceramic surface to silane primers, adhesive resin and resin cement when the surface had been neutralized by a special neutralizing agent after etching. Rectangular shaped specimens were cut from the CAD blocks of an e-max lithium disilicate glass ceramic, cut specimens were sequentially polished and ultrasonically cleaned. All the specimens were etched for 20 s with 5% hydrofluoric acid and ultrasonically cleaned. Specimens were randomly assigned to one control group (without neutralization) and one treatment group (with neutralization) having 20 specimens each. The specimens of each group were further divided into two subgroups having 10 specimens each and tested to determine the effect of neutralizing agent on wettability of experimental and commercial silanes. Each subgroup specimen was tested for wettability to adhesive resin and commercial resin cement. Data were analyzed using two-way ANOVA. Neutralizing the ceramic surface did not show a significant effect on wettability to the silanes and the resin based materials, but the experimental silane showed better wettability than the commercial silane. The adhesive resin had statistically significant lower contact angle (high wettability) values than the commercial resin cement. The results of the current study suggested that the neutralizing agent did not have an impact on the wettability of the etched ceramic. However, there were differences in wetting properties of the silane primers, and adhesive resin versus resin composite luting cements.

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Acknowledgments

The authors are grateful to the Deanship of Scientific Research, King Saud University for funding through Vice Deanship of Scientific Research Chairs. Authors thank the BioCity Turku Biomaterials and Medical Device Research Program (www.biomaterials.utu.fi).

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Authors and Affiliations

  1. Dental Biomaterials Research Chair, Dental Health Department, College of Applied Medical Sciences, King Saud University, P. O. Box 10219, Riyadh, 11433, Kingdom of Saudi Arabia

    Ravikumar Ramakrishnaiah, Abdulaziz Abdullah Alkheraif & Darshan Devang Divakar

  2. Department of Restorative Dentistry, Faculty of Dentistry, October 6 University, Cairo, Egypt

    Khuloud Fahad Alghamdi

  3. Dental Materials Science, Faculty of Dentistry, The University of Hong Kong, Hong Kong, SAR, People’s Republic of China

    Jukka Pekka Matinlinna & Christie Ying Kei Lung

  4. Dental Biomaterials Research Chair, Dental Health Department, King Saud University, P. O. Box 10219, Riyadh, 11433, Kingdom of Saudi Arabia

    Jukka Pekka Matinlinna & Pekka Kalevi Vallittu

  5. Department of Prosthodontics, Al Baha Dental Center, Al Baha, Kingdom of Saudi Arabia

    Sunil Cherian

  6. Department of Biomaterials Science, Institute of Dentistry, University of Turku and City of Turku, Division of Welfare, P. O. Box 10219, Riyadh, 11433, Kingdom of Saudi Arabia

    Pekka Kalevi Vallittu

Authors
  1. Ravikumar Ramakrishnaiah
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  2. Abdulaziz Abdullah Alkheraif
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  3. Darshan Devang Divakar
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  4. Khuloud Fahad Alghamdi
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  5. Jukka Pekka Matinlinna
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  6. Christie Ying Kei Lung
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  7. Sunil Cherian
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  8. Pekka Kalevi Vallittu
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Correspondence to Ravikumar Ramakrishnaiah.

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Ramakrishnaiah, R., Alkheraif, A., Divakar, D. et al. The Effect of Lithium Disilicate Ceramic Surface Neutralization on Wettability of Silane Coupling Agents and Adhesive Resin Cements. Silicon 10, 2391–2397 (2018). https://doi.org/10.1007/s12633-017-9670-6

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  • DOI: https://doi.org/10.1007/s12633-017-9670-6

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