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6CCVD Research

Investigating the impact of different cleaning techniques on bond strength between resin cement and zirconia and the resulting physical and chemical surface alterations

At a Glance

Section titled “At a Glance”
MetadataDetails
Publication Date2024-08-26
JournalJournal of Prosthodontics
AuthorsChompunuch Sukcheep, Putsadeeporn Thammajaruk, Massimiliano Guazzato
InstitutionsThe University of Sydney, Prince of Songkla University
Citations1

Abstract

Section titled “Abstract”

Abstract Purpose To evaluate the effect of cleaning methods and thermocycling on the micro‐tensile bond strength between resin cement and contaminated zirconia and to characterize the physicochemical alterations at the zirconia surface resulting from contaminants and subsequent application of cleaning methods. Materials and Methods Thirty‐two alumina air‐abraded zirconia blocks were divided into eight groups: (i) uncontaminated control followed by methacryloyloxydecyl dihydrogen phosphate (MDP) primer (G‐Multi Primer) application (CON). In groups ii-viii, the blocks were contaminated with saliva and silicone disclosing agents, followed by cleaning as follows: (ii) MDP primer applied, followed by contamination (GMP1); (iii) MDP primer applied before and after contamination (GMP2); (iv) cleaning with alumina air‐abrasion (APA); (v) cleaning with sodium hypochlorite (NaOCl); (vi) cleaning with Ivoclean (IVC); (vii) cleaning with ZirClean (ZC); and (viii) cleaning with Katana Cleaner (KC). After cleaning, the zirconia blocks in groups iv-viii were applied with MDP primer. The blocks in each group were cemented together with resin cement (G‐Cem Linkforce). Subsequently, each bonded zirconia block was sectioned using a water‐cooled diamond saw into microsticks (1 × 1 × 9 mm 3 ). Micro‐tensile bond strength was measured after either 24 h or 10,000 thermal cycles ( n = 20/subgroup). Data were analyzed using two‐way analysis of variance (ANOVA), followed by one‐way ANOVA, and Tukey’s post‐hoc test. The contact angle measurements, energy dispersive X‐ray spectroscopy (EDS), and Fourier‐transform infrared (FTIR) spectrometer were used for physiochemical evaluation. Results After 24 h of water storage, the highest bond strength was observed in the CON, NaOCl, APA, and GMP2 groups. After thermocycling, the bond strength significantly decreased in all groups except the GMP2 group, which maintained the highest bond strength. Commercial ceramic cleaning agents (IVC, ZC, and KC groups) exhibited lower bond strengths than the CON groups in both aging conditions. Conclusions The application of MDP primer before and after contamination is a promising cleaning protocol for removing saliva and silicone disclosing agent contaminants from zirconia surfaces. This approach achieved the highest bond strength and maintained it even after artificial aging through thermocycling.

Tech Support

Section titled “Tech Support”

Original Source

Section titled “Original Source”

References

Section titled “References”
  1. 2004 - Strength, fracture toughness and microstructure of a selection of all‐ceramic materials. Part II. Zirconia‐based dental ceramics [Crossref]
  2. 2000 - Bond strength of luting cements to zirconium oxide ceramics
  3. 2022 - Influence of ceramic‐coating techniques on composite‐zirconia bonding: strain energy release rate evaluation [Crossref]
  4. 2022 - Effects of glass‐ceramic spray deposition manipulation on the surface characteristics of zirconia dental restorations [Crossref]
  5. 2015 - Bonding to oxide ceramics‐Laboratory testing versus clinical outcome [Crossref]
  6. 2007 - Panavia F. 2.0 bonding to contaminated zirconia ceramic after different cleaning procedures [Crossref]
  7. 2022 - 10‐Methacryloyloxydecyl dihydrogen phosphate (10‐MDP)‐containing cleaner improves bond strength to contaminated monolithic zirconia: an in‐vitro study [Crossref]
  8. 2016 - Effectiveness of different surface cleaning methods on the shear bond strength of resin cement to contaminated zirconia: an in vitro study [Crossref]
  9. 2020 - Influence of cleaning methods on resin bonding to contaminated translucent 3Y‐TZP ceramic
  10. 2016 - Cleaning methods for zirconia following salivary contamination [Crossref]

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