Department of Conservative Dentistry, College of Dentistry, Chosun University
Copyright © 2004 The Korean Academy of Conservative Dentistry
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Priming time | Microtensile bond strength | No. of total specimens |
---|---|---|
10 seconds | 34.66 ± 12.40a | 60 |
20 seconds | 55.47 ± 20.42b | 60 |
30 seconds | 47.71 ± 19.42b,c | 60 |
40 seconds | 45.99 ± 20.54c | 60 |
Adhesives | Component | pH | Manufacturers | |
---|---|---|---|---|
Primer | Bonding agent | |||
Clearfil SE Bond (SE) | MDP, HEMA, water, hydrophilic DMA, photoinitiator | MDP, HEMA, hydrophilic DMA, microfiller, photoinitiator | 1.9 | Kuraray Medical Inc., Okayama, Japan |
Unifil Bond (UF) | 4-MET, HEMA, ethanol, water, initiator | UDMA, HEMA, TEGDMA | 2.2 | GC Co., Tokyo, Japan |
Tyrian SPE + One-Step Plus (TY) | 2-acrylamido-2-methyl propanesulfonic acid, Bis (2 methacryloyloxy) ethyl) phosphate, ethanol | BPDM, HEMA, acetone, glass frit, photoinitiator | 0.4 | Bisco, Inc., Schaumburg, IL, U.S.A. |
Group | Priming time | Microtensile strength (mean ± S.D.) | Number of specimens |
---|---|---|---|
SE group | 10 seconds | 33.78 ± 7.20a | 20 |
20 seconds | 73.22 ± 15.10b | 20 | |
30 seconds | 62.80 ± 15.01b | 20 | |
40 seconds | 65.53 ± 18.44b | 20 | |
UF group | 10 seconds | 22.87 ± 6.53c | 20 |
20 seconds | 40.04 ± 12.50d | 20 | |
30 seconds | 46.28 ± 9.13d | 20 | |
40 seconds | 41.19 ± 12.00d,g | 20 | |
TY group | 10 seconds | 47.34 ± 8.19d,f | 20 |
20 seconds | 53.16 ± 17.95f | 20 | |
30 seconds | 33.98 ± 20.17a | 20 | |
40 seconds | 31.25 ± 13.09a,g | 20 |
Priming time | Microtensile bond strength | No. of total specimens |
---|---|---|
10 seconds | 34.66 ± 12.40a | 60 |
20 seconds | 55.47 ± 20.42b | 60 |
30 seconds | 47.71 ± 19.42b,c | 60 |
40 seconds | 45.99 ± 20.54c | 60 |
MDP = 10-methacryloyloxydecyl dihydrogen phophate, DMA = dimethacrylate, HEMA = 2 hydroxyethyl methacrylate, 4-MET = 4-methacryloxyethyl trimellitic acid, UDMA = urethane dimethacrylate, TEGDMA = triethylene glycol dimethacrylate, BPDM = biphenyl dimethacrylate
S.D.: Standard Deviation. Superscripts of the same letter indicate values of no statistical significant difference (p > 0.05).
Superscripts of the same letter indicate values of no statistical significant difference (p > 0.05).