Dept of Conservative Dentistry, Division of Dentistry, Graduate school of KyungHee University
Copyright © 2005 The Korean Academy of Conservative Dentistry
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Group 1. Continuous wave of obturation technique without dentin bonding system.
Group 2. Continuous wave of obturation technique with dentin bonding system.
Products | Main Components | Manufacturer | |
---|---|---|---|
All-Bond 2 | Etchant | 32% Phosphoric acid | |
Primer A | Acetone, | Bisco Inc. | |
Na-N-tolyglycine glycidylmethacrylate | (IL, U.S.A) | ||
Primer B | Acetone, biphenyl dimethacrylate | ||
Adhesive | Bis-GMA, UDMA, HEMA | ||
AH-26 | Powder | Bismuth phosphate | |
Hexamethylenetetramine | Dentsply De Trey (U.S.A) | ||
Liquid | Bisphenoldiglycidyl ether | ||
Gutta percha cones | Zinc oxide, gutta percha | Diadent (Korea) |
Obturation Group | Level 1 | Level 2 | Level 3 |
---|---|---|---|
1 | 0.893 ± 0.242 | 0.758 ± 0.312 |
0.420 ± 0.315 |
2 | 0.896 ± 0.199 | 0.312 ± 0.254 |
0.058 ± 0.119 |
Bis-GMA = Bisphenol-A glycidyl methacrylate
UDMA = Urethane dimethacrylate
HEMA = Hydroxyethyl methacrylate
Mean ± SD
1. Continuous wave of obturation technique without dentin bonding system.
2. Continuous wave of obturation technique with dentin bonding system.
Level 1 : 1.5 ㎜ from the apex, Level 2 : 2.0 ㎜ from the apex, Level 3 : 2.5 ㎜ from the apex.
statistically significant at P < 0.05.