The aim of this study was to determine water sorption, solubility and dimensional stability of injection and compression-molded polymethyl methacrylate based denture base polymer that was reinforced with various concentrations and lengths of E-glass fibers. For water sorption and solubility, 20 test groups with different fiber contents and lengths of fibers were prepared. Test specimens without fibers were used as a control. The water sorption and solubility was measured after 90 days water storage. For dimensional stability, rhombic test specimens were prepared and the dimensional changes were measured after processing, drying and storing in water for 4 days and 30 days and were compared with those on the brass model.
The water sorption and solubility of injection-molded denture base polymer was lower compared to compression-molded specimens (p<0.05). The dimensional accuracy of denture base polymer was not affected with fiber reinforcement (p>0.05).
Get full access to this article
View all access options for this article.
References
1.
1. Phillips, R.W. (1991). Skinner's Science of Dental Materials, 9th Edn., pp. 193-195, WB Saunders Co., Philadelphia .
2.
2. Wolfaardt, J., Cleaton-Jones, P. and Fatti, P. (1986). The Influence of Processing Variables on Dimensional Changes of Heat-cured Poly(methyl methacrylate) , J. Prosthet. Dent., 55: 518-525 .
3.
3. Gilbert, A.S., Pethrik, R.A. and Phillips, R.W. (1977). Acoustic Relaxation and Infrared Spectroscopic Measurements of Plasticization of Poly(methyl methacrylate) by Water , J. Appl. Polymer Sci., 21: 319-330 .
4.
4. Barsby, M.J. and Braden, M.J. (1979). A Hydrophilic Denture Base Resin , J. Dent. Res., 6: 1581-1584 .
5.
5. Barsby, M.J. (1992). A Denture Base Resin with Low Water Absorption , J. Dent., 20: 240-244 .
7. Schreiber, C.K. (1974). The Clinical Application of Carbon Fibre/Polymer Denture Bases , Br. Dent. J., 137: 21-22 .
8.
8. Manley, T.R., Bowman, A.J. and Cook, M. (1979). Denture Bases Reinforced with Carbon Fibres , Br. Dent. J., 146: 25 .
9.
9. Larson, R., Dixon, L., Aquilion, A. and Clansy, S. (1991). The Effect of Carbon Graphite Fiber Reinforcement on the Strength of Provisional Crown and Fixed Partial Denture Resins , J. Prosthet. Dent., 66: 816-820 .
10.
10. Bowman, J. and Manley, R. (1994). The Elimination of Breakages in Upper Dentures by Reinforcement with Carbon Fibre , Br. Dent. J., 156: 87-89 .
11.
11. Viguie, G., Malwuarty, G., Vincent, B. and Bourgerous, D. (1994). Epoxy/Carbon Composite Resins in Dentistry. Mechanical Properties Related to Fiber Reinforcement , J. Prosthet. Dent., 72: 245-249 .
12.
12. Berrong, J.M., Weed, R. and Young, J.M. (1990). Fracture Resistance of Kevlar Reinforced Poly(methyl-methacrylate) Resin: A Preliminary Study , Int. J. Prosthodont., 3: 391-395 .
13.
13. Powell, B., Nicholls, I., Youdelis, A. and Strygler, A. (1994). A Comparison of Wire and Kevlar Reinforced Provisional Restorations , Int. J. Prosthodont., 7: 81-89 .
14.
14. Amin, A.E. (1997). The Effect of Poly-aramide Fiber Reinforcement on the Transverse Strength of a Provisional Crown and Bridge Resin , Egypt Dent. J., 41: 1299-1304 .
15.
15. Vallittu, P.K., Lassila, V.P. and Lappalainen, R. (1994). Acrylic Resin-fiber Composite-Part 1: The Effect of Fiber Concentration on Fracture Resistance , J. Prosthet. Dent., 71: 607-612 .
16.
16. Uzun, G., Hersek, N. and Tinçer, T. (1999). Effect of Five Woven Fiber Reinforcement on the Impact and Transverse Strength of a Denture Base Resin , J. Prosthet. Dent., 81: 616-620 .
17.
17. Ladizesky, H. and Ward, M. (1983). A Study of the Adhesion of Drawn Polyethylene Fibre/Polymeric Resin Systems , J. Mater. Sci., 18: 533-544 .
18.
18. Braden, M., Davy, M., Pakers, S., Ladizesky, H. and Ward, M. (1988). Denture Base Poly(methyl methacrylate) Reinforced with Ultra High Modulus Polyethylene Fibres , Br. Dent. J., 164: 109-113 .
19.
19. Andreopoulus, A.G., Papaspyrides, C.D. and Tsilibonvidis, S. (1991). Surface Treated Polyethylene Fibers as Reinforcement for Acrylic Resins Biomaterials, 12: 83-87 .
20.
20. Chow, W., Ladizesky, H. and Clarke, A. (1992). Acrylic Resins Reinforced with Woven Highly Drawn Linear Polyethylene Fibres 2. Water Sorption and Clinical Trials , Aust. Dent. J., 37: 433-438 .
21.
21. Ladizesky, H. and Chow, W. (1992). The Effect of Interface Adhesion, Water Immersion and Anatomical Notches on the Mechanical Properties of Denture Base Resins Reinforced with Continuous Performance Polyethylene Fibres , Aust. Dent. J., 37: 277-289 .
22.
22. Gutteridge, L. (1998). The Effect of Including Ultra High Modulus Polyethylene Fibre on the Impact Strength of Acrylic Resin , Br. Dent. J., 164: 177-180 .
23.
23. Friskopp, J., Blomlöf, L. and Söder, P.O. (1979). Fiber Glass Splints , J. Peridontol., 50: 193-196 .
24.
24. Solnit, G.S. (1991). The Effect of Methyl Methacrylate Reinforcement with Silane-treated and Untreated Glass Fibers , J. Prosthet. Dent., 66: 310-314 .
25.
25. Vallittu, P.K. and Lassila, V.P. (1992). Reinforcement of Acrylic Resin Denture Base Material with Metal or Fibre Strengtheners , J. Oral. Rehabil., 19: 225-230 .
26.
26. Vallittu, P.K. (1999). Flexural Properties of Acrylic Resin Polymers Reinforced with Unidirectional and Woven Glass Fibers , J. Prosthet. Dent., 81: 318-326 .
27.
27. Marei, M.K. (1999). Reinforcement of Denture Base Resin with Glass Fillers , J. Prosthod., 8: 18-26 .
28.
28. Vallittu, P.K. (2000) Effect of 180 Week Water Storage on the Flexural Properties of E-glass and Silica Fiber Acrylic Resin Composite , Int. J. Prosthodont., 13: 334-339 .
29.
29. Narva, K.K., Vallittu, P.K., Helenius, H. and Yli-Urpo, A. (2001). Clinical Survey of Acrylic Resin Removable Denture Repairs with Glass-fiber Reinforcement , Int. J. Prosthodont., 14: 219-224 .
30.
30. Chen, S.Y., Liang, W.M. and Yen, P.S. (2001). Reinforcement of Acrylic Denture Base Resin by Incorporation of Various Fibers , J. Biomed. Mater. Res., 58: 203-208 .
31.
31. Vallittu, P.K. (1998). The Effect of Glass Fibre Reinforcement on the Fracture Resistance of a Provisional Fixed Partial Denture , J. Prosthet. Dent., 79: 125-130 .
32.
32. Rosen, M.R. (1978). From Treating Solution to Filler Surface and Beyond, The Life History of a Silane Coupling Agent , J. Composite Technol., 50: 70-82 .
33.
33. Vallittu, P.K. (1997). Curing of a Silane Coupling Agent and its Effect on the Transverse Strength of Autopolymerizing Polymethyl Methacrylate-glass Fiber Composite , J. Oral Rehabil., 24: 124-130 .
34.
34. Vallittu, P.K. (1998). Compositional and Weave Pattern Analyses of Glass Fibers in Dental Polymer Fiber Composites , J. Prosthod., 7: 170-176 .
35.
35. Vallittu, P.K., Ruyter, I.E. and Ekstrand, K. (1998). Effect of Water Storage on the Flexural Properties of E-glass and Silica Fiber Acrylic Resin Composite , Int. J. Prosthodont., 11: 340-350 .
36.
36. Vallittu, P.K. (1995). The Effect of Void Space and Polymerization Time on Transverse Strength of Acrylic-glass Fibre Composite , J. Oral Rehabil., 22: 257-261 .
37.
37. Vallittu, P.K., Lassila, V.P. and Lappalainen, R. (1994). Transverse Strength and Fatigue of Denture Acrylic-glass Fiber Composite , Dent. Mater., 10: 116-121 .
38.
38. Çal. N.E., Hersek, N. and Şahin, E. (2000). Water Sorption and Dimensional Changes of Denture Base Polymer Reinforced with Glass Fibers in Continuous Unidirectional and Woven Form , Int. J. Prosthodont., 13: 487-493 .
39.
39. Nogueira, S.S., Ogle, R.E. and Davis, E.L. (1999). Comparison of Accuracy Between Compression- and Injection-molded Complete Dentures , J. Prosthet. Dent., 82(3): 291-300 .
40.
40. Huggett, R., Zissis, A., Harrison, A.et al. (1992). Dimensional Accuracy and Stability of Acrylic Resin Denture Bases , J. Prosthet. Dent., 68(4): 634-640 .
41.
41. Denture Base Polymers (1999). American National Standard/American Dental Association Specification No. 12, Council on Scientific Affairs, Chicago.
42.
42. Miettinen, V.M. and Vallittu, P.K. (1997). Release of Residual Methyl Methacrylate into Water from Glass Fibre-poly(methylmethacrylate) Composite used in Dentures , Biomaterials, 18: 181-185 .
43.
43. Lassila, L.V., Nohrstrom, T. and Vallittu, P.K. (2002). The Influence of Short-term Water Storage on the Flexural Properties of Unidirectional Glass Fiber-reinforced Composites , Biomaterials, 23: 2221-2229 .
44.
44. Ohno, H., Endo, K., Araki, Y. and Asakura, S. (1992). Destruction of Metalresin Adhesion due to Water Penetrating Through the Resin , J. Mater. Sci., 27: 5149-5153 .
45.
45. Miettinen, V.M., Narva, K.K. and Vallittu, P.K. (1999). Water Sorption, Solubility and Effect of Post-curing of Glass Fibre Reinforced Polymers , Biomaterials, 20: 1187-1194 .
46.
46. Arima, T., Murata, H. and Hamata, T. (1996). The Effects of Cross-linking Agents on the Water Sorption and Solubility Characteristics of Denture Base Resin , J. Oral Rehabil., 23: 476-480 .
47.
47. Chow, T.W., Cheng, Y.Y. and Ladizesky, N.H. (1993). Polyethylene Fiber Reinforced Poly(methyl methacrylate)—Water Sorption and Dimensional Changes During Immersion , J. Dent., 21: 367-372 .
48.
48. Ladizesky, N.H., Chow, T.W. and Cheng, Y.Y. (1994). Denture Base Reinforcement Using Woven Polyethylene Fiber , Int. J. Prosthodont., 7: 307-314 .
49.
49. Braden, M. and Clarke, R.L. (1984). Water Absorption Characteristics of Dental Microfine Composite Filling Materials , Biomaterials, 5: 369-372 .
50.
50. Knott, N., Randall, D., Bell, G., Satgurunathan, R., Bates, J.F. and Huggett, R. (1988). Are Present Denture Base Materials and Standards Satisfactory? , Br. Dent. J., 165: 198-200 .
51.
51. Miettinen, V.M. and Vallittu, P.K. (1997). Water Sorption and Solubility of Glass Fiber-reinforced Denture Polymethyl Methacrylate Resin , J. Prosthet. Dent., 77: 531-534 .
52.
52. Gutteridge, D.C. (1992). Reinforcement of Poly(methyl methacrylate) with Ultra High-modulus Polyethylene Fibre , J. Dent., 20: 50-54 .
53.
53. Ortengren, U., Anderson, F., Elgh, U., Verselius, B. and Karlsson, S. (2001). Influence of pH and Storage Time on the Sorption and Solubility Behaviour of Three Composite Resin Materials , J. Dent., 29: 35-41 .
54.
54. Vallittu, P.K. (1996). Dimensional Accuracy and Stability of Polymethylmethacrylate Reinforced with Metal Wire or with Continuous Glass Fiber , J. Prosthet. Dent., 75: 617-621 .
55.
55. Cheng, Y.Y., Chow, T.W. and Ladizesky, N.H. (1993). Denture Base Resin Reinforced with High-performance Polyethylene Fiber: Water Sorption and Dimensional Changes During Immersion , J. Macromol. Sci. Phy., B32: 433-481 .
56.
56. Anderseon, J., Schulte, J. and Arnold, T. (1988). Dimensional Stability of Injection and Convensional Processing of Denture Base Acrylic Resin , J. Prosthet. Dent., 60: 394-398 .
57.
57. Murphy, W.M., Bates, J.F., Huggett, R. and Bright, R. (1982). A Comparative Study of Three Denture Base Materials , Br. Dent. J., 152: 263-273 .
