IADR Abstract Archives

Effect of universal primer/thermocycling on bond strength to ceramics

Objectives: The aim of this study was to evaluate the effect of chemical ingredients in the primers on the bond strength and durability of resin-based luting cements bonded to a ceramic restorative material.
Methods: Forty-five ceramic plates (10mm×10mm×2mm) were prepared from feldspathic ceramic; AAA (Kuraray Noritake), lithium disilicate ceramic; IPS e-max Press (Ivoclar-Vivadent), and zirconia ceramic; Lava (3M ESPE). Ceramic surfaces were pretreated with one of five silane coupling agents; 1. Clearfil photo bond (Kuraray Noritake) + Porcelainbond activater (PB), 2. Clearfil SE one (Kuraray Noritake) + Porcelainbond activater (SO), 3. Ceramic Primer (Kuraray Noritake) (CP), 4. Universal Primer (Tokuyama Dental) (UP), 5. Scotchbond Universal (3M ESPE) (SU). After surface treatment, a micro-bore Tygon tube with an internal diameter and height of 0.8 and 0.5 mm, respectively, was placed on each ceramic surface, and then the ceramic surfaces were filled with a resin-luting cement (Clapearl DC). After 24 hours water storage, the cemented specimens were subjected to 0, 5000, 10000 thermocycles prior to micro-shear bond strength test. Data were analyzed using a two-way ANOVA and T-test with Bonferroni correction. (p＜0.05).
Results: The results were shown in the table.
Conclusions: For AAA and e-max, SU was significantly lower bond strength than the other primers. On the other hand, for Lava, UP was significantly lower bond strength than the other primers. The bond strength significantly decreased over time.
AADR/CADR Annual Meeting
2016 AADR/CADR Annual Meeting (Los Angeles, California)
Los Angeles, California
2016
0059
Dental Materials 4: Adhesion
  • Noda, Yukari  ( Tokyo Medical & Dental University , Tokyo , Japan )
  • Takahashi, Masahiro  ( Tokyo Medical & Dental University , Tokyo , Japan )
  • Mamanee, Teerapong  ( Chiangmai University , Chiangmai , Thailand )
  • Nakajima, Masatoshi  ( Tokyo Medical & Dental University , Tokyo , Japan )
  • Ikeda, Masaomi  ( Tokyo Medical & Dental University , Tokyo , Japan )
  • Takagaki, Tomohiro  ( Tokyo Medical & Dental University , Tokyo , Japan )
  • Hosaka, Keiichi  ( Tokyo Medical & Dental University , Tokyo , Japan )
  • Tagami, Junji  ( Tokyo Medical & Dental University , Tokyo , Japan )
    • NONE
    Oral Session
    Adhesion to Indirect Restorations and Orthodontic Appliances
    Wednesday, 03/16/2016 , 02:30PM - 04:00PM
    Shear bond strength (MPa) of AAA,e-max,Lava in Accordance with Thermocycling
     AAAAAAAAAe.maxe.maxe.maxLavaLavaLava
     050001000005000100000500010000
    1.PB42.3 ± 1.719.2 ± 2.4 A,b,c20.8 ± 2.6 A,d35.9 ± 5.3 e12.2 ± 4.3 D,f,g9.3 ± 3.7 D,i26.4 ± 6.2 j19.7 ± 1.4 F,k19.5 ± 2.4 F,l
    2.SO33.9 ± 3.4 a21.2 ± 2.7 B,b22.0 ± 2.9 B,d40.6 ± 6.3 e15.4 ± 6.6 E,f15.9 ± 4.3 E28.6 ± 8.1 j20.6 ± 3.5 G,k17.2 ± 5.3 G,l
    3.CP31.4 ± 4.1 a21.6 ± 2.8 b14.8 ± 3.737.2 ± 5.6 e9.8 ± 2.3 g,h6.1 ± 1.8 i27.9 ± 6.8 j18.7 ± 2.7 H,k15.1 ± 4.7 H,l
    4.UP33.6 ± 5.1 a16.5 ± 4.2 c10.3 ± 2.231.0 ± 7.87.1 ± 3.1 hN.A.18.6 ± 4.48.5 ± 4.22.4 ± 1.2
    5.SU7.8 ± 2.61.1 ± 1.3 C1.7 ± 1.1 C0.5 ± 0.3N.A.N.A.26.8 ± 2.2 j20.4 ± 3.9 I,k19.9 ± 4.4 I,l
    (mean±SD, MPa; n=12) N.A.: No date available due to debonding of the resin cement from the ceramic surface during thermocycling. Same superscript letters indicate statistically no significant difference (p>0.05). Upper case letters refer to row, and lower case letters refer to column in same ceramic material.