Advertisement
Journal of Prosthetic Dentistry

Effects of surface treatments on the translucency, opalescence, and surface texture of dental monolithic zirconia ceramics

      Abstract

      Statement of problem

      Surface polishing or glazing may increase the appearance of depth of monolithic zirconia restorations.

      Purpose

      The purpose of this in vitro study was to investigate the effects of surface treatments on the translucency, opalescence, and surface texture of dental monolithic zirconia ceramics.

      Material and methods

      Forty-five monolithic zirconia specimens (16.3×16.4×2.0 mm) were divided into groups I to V, according to the number of colorings each received. Each group was then divided into 3 subgroups (n=3) according to the surface treatment: N=no treatment; P=polished; and G=glazed. CIElab color coordinates were obtained relative to D65 on a reflection spectrophotometer. The translucency parameter (TP) and opalescence parameter (OP) were calculated. One specimen per subgroups I and V was selected for evaluation of surface roughness (Ra) and was examined with scanning electron microscopy (SEM). Data were analyzed with 2-way ANOVA and pairwise comparisons (α=.05). Statistical powers were verified to evaluate results (α=.05).

      Results

      The interaction effects of surface treatments combined with the number of colorings were significant for TP, OP, and Ra (P<.001), as follows: Ra=partial eta squared [ηp2]=.928; OP ηp2=.184; and TP ηp2=.144. No significant differences between TP were found among surface treatments in most groups (P>.05), whereas glazing significantly decreased OP and Ra in most groups. SEM images demonstrated that surface treatments affected the surface texture of monolithic zirconia ceramics.

      Conclusions

      Surface treatments combined with coloring strongly affect the surface texture of dental monolithic zirconia ceramics.
      To read this article in full you will need to make a payment

      Purchase one-time access:

      Academic & Personal: 24 hour online accessCorporate R&D Professionals: 24 hour online access
      One-time access price info
      • For academic or personal research use, select 'Academic and Personal'
      • For corporate R&D use, select 'Corporate R&D Professionals'

      Subscribe:

      Subscribe to Journal of Prosthetic Dentistry
      Already a print subscriber? Claim online access
      Already an online subscriber? Sign in
      Institutional Access: Sign in to ScienceDirect

      References

        • Obregon A.
        • Goodkind R.J.
        • Schwabacher W.B.
        • Chem B.
        Effect of opaque and porcelain surface texture on the color of ceramometal restorations.
        J Prosthet Dent. 1981; 46: 330-340
        • Winter R.
        Visualizing the natural dentition.
        J Esthet Dent. 1993; 5: 102-117
        • Lee Y.K.
        • Yu B.
        Measurement of opalescence of tooth enamel.
        J Dent. 2007; 35: 690-694
        • Primus C.M.
        • Chu C.C.Y.
        • Shelby J.E.
        • Buldrini E.
        • Heckle C.E.
        Opalescence of dental porcelain enamels.
        Quintessence Int. 2002; 33: 439-449
        • Lee Y.K.
        • Lu H.
        • Powers J.M.
        Measurement of opalescence of resin composites.
        Dent Mater. 2005; 21: 1068-1074
        • Arimoto A.
        • Nakajima M.
        • Hosaka K.
        • Nishimura K.
        • Ikeda M.
        • Foxton R.M.
        • et al.
        Translucency, opalescence and light transmission characteristics of light-cured resin composites.
        Dent Mater. 2010; 26: 1090-1097
        • Cho M.S.
        • Yu B.
        • Lee Y.K.
        Opalescence of all-ceramic core and veneer materials.
        Dent Mater. 2009; 25: 695-702
      1. Kobashigawa AI, Angeletakis C, inventors; opalescence fillers for dental restorative composite. US patent 6,232,367. May 15, 2001.

        • O’Brien W.J.
        • Johnston W.M.
        • Fanian F.
        • Lambert S.
        The surface roughness and gloss of composites.
        J Dent Res. 1984; 63: 685-688
        • Wang H.
        • Xiong F.
        • Zhenhua L.
        Influence of varied surface texture of dentin porcelain on optical properties of porcelain specimens.
        J Prosthet Dent. 2011; 105: 242-248
        • Kim H.K.
        • Kim S.H.
        Effect of the number of coloring liquid applications on the optical properties of monolithic zirconia.
        Dent Mater. 2014; 30: e229-e237
        • Rinke S.
        • Fischer C.
        Range of indications for translucent zirconia modifications: Clinical and technical aspects.
        Quintessence Int. 2013; 44: 557-566
        • Kim H.K.
        • Kim S.H.
        • Lee J.B.
        • Han J.S.
        • Yeo I.S.
        Effect of polishing and glazing on the color and spectral distribution of monolithic zirconia.
        J Adv Prosthodont. 2013; 5: 296-304
        • Anusavice K.J.
        • Shen C.
        • Rawls H.R.
        Phillip’s science of dental materials.
        12th ed. Elsevier, St. Louis2012: 231
        • Klimke J.
        • Trunec M.
        • Krell A.
        Transparent tetragonal yttria-stabilized zirconia ceramics: influence of scattering caused by birefringence.
        J Am Ceram Soc. 2011; 94: 1850-1858
        • Ebeid K.
        • Wille S.
        • Hamdy A.
        • Salah T.
        • El-Etreby A.
        • Kern M.
        Effect of changes in sintering parameters on monolithic translucent zirconia.
        Dent Mater. 2014; 30: e419-e424
        • Yu Zhang
        Making yttria-stabilized tetragonal zirconia translucent.
        Dent Mater. 2014; 30: 1195-1203
        • Ilie N.
        • Stawarczyk B.
        Quantification of the amount of blue light passing through monolithic zirconia with respect to thickness and polymerization conditions.
        J Prosthet Dent. 2015; 113: 114-121
        • Sarac D.
        • Sarac Y.S.
        • Yuzbasioglu E.
        • Bal S.
        The effects of porcelain polishing systems on the color and surface texture of feldspathic porcelain.
        J Prosthet Dent. 2006; 96: 122-128
        • Kim I.J.
        • Lee Y.K.
        • Lim B.S.
        • Kim C.W.
        Effect of surface topography on the color of dental porcelain.
        J Mater Sci Mater Med. 2003; 14: 405-409
        • Akar G.C.
        • Pekkan G.
        • Çal E.
        • Eskitaşçioğlu G.
        • Özcan M.
        Effects of surface-finishing protocols on the roughness, color change, and translucency of different ceramic systems.
        J Prosthet Dent. 2014; 112: 314-321
        • Awad D.
        • Stawarczyk B.
        • Liebermann A.
        • Ilie N.
        Translucency of esthetic dental restorative CAD/CAM materials and composite resins with respect to thickness and surface roughness.
        J Prosthet Dent. 2015; 113: 534-540
        • Monaco C.
        • Arena A.
        • Özcan M.
        Effect of prophylactic polishing pastes on roughness and translucency of lithium disilicate ceramic.
        Int J Periodontics Restorative Dent. 2014; 34: e26-e29
        • Haywood V.B.
        • Heymann H.O.
        • Kusy R.P.
        • Whitley J.Q.
        • Andreaus S.B.
        Polishing porcelain veneers: an SEM and specular reflectance analysis.
        Dent Mater. 1988; 4: 116-121
        • Al-Wahadni A.M.
        • Martin D.M.
        An in vitro investigation into the wear effects of glazed, unglazed and refinished dental porcelain on an opposing material.
        J Oral Rehabil. 1999; 26: 538-546
        • Yap A.U.J.
        • Sau C.W.
        • Lye K.W.
        Effects of finishing/polishing time on surface characteristics of tooth-coloured restoratives.
        J Oral Rehabil. 1998; 25: 456-461
        • Haywood V.B.
        • Heymann H.O.
        • Scurria M.S.
        Effect of water, speed, and experimental instrumentation on finishing and polishing porcelain intra-orally.
        Dent Mater. 1989; 5: 185-188
        • Kaway K.
        • Urano M.
        • Ebisu S.
        Effect of surface roughness of porcelain on adhesion of bacteria and their synthesizing glucans.
        J Prosthet Dent. 2000; 83: 664-667
        • Podshadley A.G.
        • Harrison J.D.
        Rat connective tissue response to pontic materials.
        J Prosthet Dent. 1966; 16: 110-118
        • Aykent F.
        • Yondem I.
        • Ozyesil A.G.
        • Gunal S.K.
        • Avunduk M.C.
        • Ozkan S.
        Effect of different finishing techniques for restorative materials on surface roughness and bacterial adhesion.
        J Prosthet Dent. 2010; 103: 221-227
        • Monasky G.E.
        • Taylor D.F.
        Studies on the wear of porcelain, enamel, and gold.
        J Prosthet Dent. 1971; 25: 299-306
        • Commission Internationale de l’Eclairage (CIE)
        Colorimetry. Technical report CIE publication no. 15:2004, 3rd ed.
        Central Bureau of the CIE, Vienna, Austria2004
        • Dozic A.
        • Kleverlaan C.J.
        • Meegdes M.
        • van der Zel J.
        • Feilzer A.J.
        The influence of porcelain layer thickness on the final shade of ceramic restorations.
        J Prosthet Dent. 2003; 90: 563-570
        • Johnston W.M.
        • Ma T.
        • Kienle B.H.
        Translucency parameter of colorants for maxillofacial prostheses.
        Int J Prosthodont. 1995; 8: 79-86