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Some research of my own on dentin bonding for coposite resins and how you can improve it
Citation preview
techniquesApplication
of the dentin bonding
Changes in bond strength
by: David Lafuente, DDS, MS
with different
Before
Y2K(+-2)
year 2000
The detin bonding agent was applied
BRUSHED
After
Y2K(+-2)
The dentin bonding agent is applied
RUBBED
Why?
1996
Permaquick
Recommended application technique
Rubbing hard the adhesive
On dentin
MPa
**bond strength
MPa
**bond strength
increases
**
1 Increases penetration
1 Increases penetration
2 Increases coverage
2 Increases coverage
3 Increases hybrid layer’s thickness
2004
Dr. David Lafuente
Place1
National Research Award, Costa Rica
2003
+
Analysis of the hybrid layer that different application technique
produce.
David Lafuente, DDS, MS2008
(in press)
Place2
2008
National Research Award, Costa Rica
RESULTS
when the adhesive is applied...
RUBBED
BRUSHED
Scotchbond MP
MPa 11
Brushed
Scotchbond MP
MPa
22
Rubbed
Single Bond
MPa 9
Brushed
Single Bond
MPa
17
Rubbed
Prime&Bond 2.1
MPa 10
Brushed
Prime&Bond 2.1
MPa
16
Rubbed
Permaquick
MPa 22
Brushed
Permaquick
MPa
24
Rubbed
Clearfil Liner B2V*
MPa 6
Brushed
Clearfil Liner B2V*
MPa
14
Rubbed
*self-etch
One Up Bond F*
MPa 8
Brushed
One Up Bond F*
MPa
28
Rubbed
*self-etch
Hybrid Layer Thickness
Brushed
Rubbed
DBS evaluated:Optibond Solo Plus
Optibond Solo PlusPQ1
DBS evaluated:
Optibond Solo PlusPQ1One Up Bond F
DBS evaluated:
Number of
layers of
not yet published
Excite
MPa 32
2 layers
Excite
MPa
45
3 layers
Single Bond 2
MPa 32
2 layers
Single Bond 2
MPa
38
3 layers
Prime&Bond NT
MPa 19
2 layers
Prime&Bond NT
MPa
33
3 layers
Final comments
1
Rubbed
2
2 layers
light cure
3rd layer
light cure
Suggestion
Extra10 s
from the manufacturer’s recomendation
more information://lafuentedental.blogspot.com
spanish only
Produced by:David Lafuente, DDS, MS
Professor, University Of Costa Rica
Design by:
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