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| 2010-22 |
| 22-1 |
ISSN (Print) 1013-9052
EISSN 1658-3558
The Saudi Dental Journal,
P.O. Box 52500,
Riyadh 11563,
Kingdom of Saudi Arabia
P.O. Box 52500,
Riyadh 11563,
Kingdom of Saudi Arabia
| Tel. |
966-1-467-7328 |
| Fax. |
933-1-467-7308 / 966-1-467-7534 |
| Email |
saudidj@ksu.edu.sa |
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Improving bonding of acrylic teeth to self-polymerizing denture base resins
Wala M. Amin, BDS, MSc, PhD
Faculty of Dentistry, University of Jordan, Amman, Jordan
This investigation evaluated the effect of different surface treatment of the tooth ridge lap surface on the strength of the tooth/denture base interfacial bonding. The surface treatment regimens investigated were: microblasting, coating with a solvent-based adhesive and a combined microblasting and adhesive coating of the ridge lap surface. All tests were conducted according to the ADA specification No. 15. The data were analyzed statistically using the one-way analysis of variance (ANOVA) and Scheffe S test. A value of p < 0.01 was considered significant. Roughening the tooth ridge lap surface by microblasting resulted in significantly stronger bonding to denture base than untreated ridge lap surface (p = 0.001). Adhesive-coating the ridge lap surface did not promote bonding significantly compared with the untreated tooth surface (p = 0.500). The combination treatment did improve bonding (p = 0.007) but was significantly less compared with roughening the ridge lap only. Of the three evaluated surface treatment regimens, microblasting the tooth ridge lap surface seemed to have a major and significant contribution to establishing a satisfactory interfacial bonding.
Saudi Dental Journal 2002;14(1):15-19.
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