Biodegradation of acrylic based resins: A review

Dental Materials

Volumn 26, Issue 5, 2010, Pages

  Bettencourt, Ana F ^a   Neves, Cristina B ^b   de Almeida, Marise S ^b   Pinheiro, Lídia M ^a   Oliveira, Sofia Arantes e ^b   Lopes, Luís P ^b   Castro, Matilde F ^a  

^a RESEARCH INSTITUTE FOR MEDICINES IMED ULISBOA   (Portugal)

^b FACULDADE DE MEDICINA DENTÁRIA   (Portugal)

Author keywords

Acrylic based resins; Biodegradation; Cytotoxicity; Dental materials; Monomer release; Polymethylmethacrylate; Saliva; Water sorption

Indexed keywords

BIODEGRADATION PRODUCTS; CELL-BASED; CLINICAL APPLICATION; IN-VITRO; INTENSIVE RESEARCH; MATERIALS DEGRADATION; PHYSICAL AND MECHANICAL PROPERTIES; TOXIC COMPOUNDS; TOXIC EFFECT; WATER SORPTION;

BIODEGRADABLE POLYMERS; BODY FLUIDS; DEGRADATION; DENTAL PROSTHESES; GROWTH (MATERIALS); MATERIALS PROPERTIES; MECHANICAL PROPERTIES; MICROBIOLOGY; MONOMERS; POLYESTERS; RESINS; SORPTION; TOXIC MATERIALS;

BIODEGRADATION;

ACRYLIC ACID RESIN; METHACRYLIC ACID METHYL ESTER;

ANIMAL; BIOTRANSFORMATION; CHEMISTRY; DENTAL CARE; HUMAN; HYDROLYSIS; METABOLISM; REVIEW;

ACRYLIC RESINS; ANIMALS; BIOTRANSFORMATION; DENTAL STRESS ANALYSIS; HUMANS; HYDROLYSIS; METHYLMETHACRYLATES;

EID: 77949490226     PISSN: 01095641     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.dental.2010.01.006     Document Type: Review

References (126)

1. Hong G., Murata H., Li Y., Sadamori S., and Hamada T. Influence of denture cleansers on the color stability of three types of denture base acrylic resin. J Prosthet Dent 101 (2009) 205-213
2. Sadamori S., Siswomihardjo W., Kameda K., Saito A., and Hamada T. Dimensional changes of relined denture bases with heat cured, microwave-activated, autopolymerizing, and visible light cured resins. A laboratory study. Aust Dent J 40 (1995) 322-326
3. Azzarri M.J., Cortizoa M.S., and Alessandrini J.L. Effect of the curing conditions on the properties of an acrylic denture base resin microwave-polymerised. J Dent 31 (2003) 463-468
4. León B.L.T., Del Bel Cury A.A., and Rodrigues Garcia R.C.M. Loss of residual monomer from resilient lining materials processed by different methods. Rev. Odonto Ciênc 23 (2008) 215-219
5. Bayraktar G., Guvener B., Bural C., and Uresin Y. Influence of polymerization method, curing process, and length of time of storage in water on the residual methyl methacrylate content in dental acrylic resins. J Biomed Mater Res B: Appl Biomater 76 (2006) 340-345
6. Urban V.M., Machado A.L., Vergani C.E., Giampaolo E.T., Pavarina A.C., Almeida F.G., and Cass Q.B. Effect of water-bath post-polymerization on the mechanical properties, degree of conversion, and leaching of residual compounds of hard chairside reline resins. Dent Mater 25 (2009) 662-671
7. Celebi N., Yuzugullu B., Canay S., and Yucel U. Effect of polymerization methods on the residual monomer level of acrylic resin denture base polymers. Polym Adv Technol 19 (2008) 201-206
8. Braden M. Some aspects of the chemistry and physics of dental resins. Adv Dent Res 2 (1988) 93-97
9. Sawtell R.M., Downes S., Patel M.P., Clarke R.L., and Braden M. Heterocyclic methacrylates for clinical applications-further studies of water sorption. J Mater Sci Mater Med 8 (1997) 667-674
10. Mendonça M.J., Machado A.L., Giampaolo E.T., Pavarina A.C., and Vergani C.E. Weight loss and surface roughness of hard chairside reline resins after toothbrushing: influence of postpolymerization treatments. Int J Prosthodont 19 (2006) 281-287
11. Parker S., and Braden M. Formulation of tissue conditioners. Biomaterials 11 (1990) 579-584
12. Munksgaard E.C. Plasticizers in denture soft-lining materials: leaching and biodegradation. Eur J Oral Sci 113 (2005) 166-169
13. Gutierrez-Villarreal M.H., and Rodríguez-Velazquez J. The effect of citrate esters as plasticizers on the thermal and mechanical properties of poly(methyl methacrylate). J Appl Polym Sci 105 (2007) 2370-2375
14. Hong G., Murata H., and Hamada T. Relationship between plasticizer content and tensile bond strength of soft denture liners to a denture base resin. Dent Mater J 23 (2004) 94-99
15. Faltermeier A., Rosentritt M., and Müssig D. Acrylic removable appliances: Comparative evaluation of different postpolymerization methods. Am J Orthod Dentofacial Orthop 131 (2007) 301.e16-301.e22
16. Labban N., Song F., Al-Shibani N., and Windsor L.J. Effects of provisional acrylic resins on gingival fibroblast cytokine/growth factor expression. J Prosthet Dent 100 (2008) 390-397
17. Ebadian B., Razavi M., Soleimanpour S., and Mosharraf R. Evaluation of tissue reaction to some denture-base materials: an animal study. J Contemp Dent Pract 1 (2008) 67-74
18. Boeckler A.F., Morton D., Poser S., and Dette K.E. Release of dibenzoyl peroxide from polymethyl methacrylate denture base resins: an in vitro evaluation. Dent Mater 24 (2008) 1602-1607
19. Ferracane J.L. Hygroscopic and hydrolytic effects in dental polymer networks. Dent Mater 22 (2006) 211-222
20. Santerre J.P., Shajii L., and Leung B.W. Relation of dental composite formulations to their degradation and the release of hydrolyzed polymeric-resin-derived products. Crit Rev Oral Biol Med 12 (2001) 136-151
21. Kawahara T., Nomura Y., Tanaka N., Teshima W., Okazaki M., and Shintani H. Leachability of plasticizer and residual monomer from commercial temporary restorative resins. J Dent 32 (2004) 277-283
22. Braden M., Causton B.E., and Clarke R.L. Diffusion in water in composite filling materials. J Dent Res 55 (1976) 730-732
23. Kalachandra S., and Turner D.T. Water sorption of polymethacrylate networks.bis-GMA/TEGDM copolymers. Biomed Mater Res 21 (1987) 329-338
24. Sideridou I., Achilias D.S., Spyroudi C., and Karabela M. Water sorption characteristics of light-cured dental resins and composites based on Bis-EMA/PCDMA. Biomaterials 25 (2004) 367-376
25. Santerre J.P., Shajii L., and Tsang H. Biodegradation of commercial dental composites by cholesterol esterase. J Dent Res 78 (1999) 1459-1468
26. Finer Y., and Santerre J.P. Salivary esterase activity and its association with the biodegradation of dental composites. J Dent Res 83 (2004) 22-26
27. Jaffer F., Finer Y., and Santerre J.P. Interactions between resin monomers and commercial composite resins with human saliva derived esterases. Biomaterials 23 (2002) 1707-1709
28. Lin B.A., Jaffer F., Duff M.D., Tang Y.W., and Santerre J.P. Identifying enzyme activities within human saliva which are relevant to dental resin composite biodegradation. Biomaterials 26 (2005) 4259-4264
29. Yourtee D.M., Smith R.E., Russo K.A., Burmaster S., Cannon J.M., Eick J.D., and Kostoryz E.L. The stability of methacrylate biomaterials when enzyme challenged: kinetic and systematic evaluations. J Biomed Mater Res 57 (2001) 522-531
30. Larsen I.B., and Munksgaard E.C. Effect of human saliva on surface degradation of composite resins. Scand J Dent Res 99 (1991) 254-261
31. Larsen I.B., Freund M., and Munksgaard E.C. Change in surface hardness of Bis-GMA/TEGDMA polymer due to enzymatic action. J Dent Res 71 (1992) 1851-1853
32. Willershausen B., Callaway A., Ernst C.P., and Stender E. The influence of oral bacteria on the surfaces of resin-based dental restorative materials: an in vitro study. Int Dent J 49 (1999) 231-239
33. Drummond J.L. Degradation, fatigue and failure of resin dental composite materials. J Dent Res 87 (2008) 710-719
34. Roulet J.F. Degradation of dental polymers (1987), Karger, Basel
35. Jones D.W., Sutow E.J., Hall G.C., Tobin W.M., and Graham B.S. Dental soft polymers: plasticizer composition and leachability. Dent Mater 4 (1988) 1-7
36. Graham B.S., Jones D.W., and Suttow E.J. An in vivo and in vitro study of the loss of plasticizer from soft polymer-gel materials. J Dent Res 70 (1991) 870-873
37. Kournetas N. Impact of artificial ageing process on the wear resistance of dental materials. MA Thesis, Tübingen; 2005.
38. Neppelenbroek K.H., Pavarina A.C., Gomes M.N., Machado A.L., and Vergani C.E. Bond strength of hard chairside reline resins to a rapid polymerizing denture base resin before and after thermal cycling. J Appl Oral Sci 14 (2006) 436-442
39. Minami H., Suzuki S., Minesaki Y., Kurashige H., and Tanaka T. In vitro evaluation of the influence of repairing condition of denture base resin on the bonding of autopolymerizing resins. J Prosthet Dent 91 (2004) 164-170
40. Jepson N.J.A., McGill J.T., and McCabe J.F. Influence of dietary simulating solvents on the viscoelasticity of temporary soft lining materials. J Prosthet Dent 83 (2000) 25-31
41. Gonçalves T.S., Menezes L.M., and Silva L.E.A. Residual monomer of autopolymerized acrylic resin according to different manipulation and polishing methods. Angle Orthod 78 (2008) 722-727
42. Koda T., Tsuchiya H., Yamauchi M., Ohtani S., Takagi N., and Kawano J. Leachability of denture-base acrylic resins in artificial saliva. Dent Mater 6 (1990) 13-16
43. Tsuchiya H., Hoshino Y., Tajima K., and Takagi N. Leaching and cytotoxicity of formaldehyde and methylmethacrylate from acrylic resin denture base materials. J Prosthet Dent 71 (1994) 618-624
44. Kedjarune U., Charoenworaluk N., and Koontongkaew S. Release of methyl methacrylate from heat-cured and autopolymerized resins: cytotoxicity testing related to residual monomer. Aust Dent J 44 (1999) 25-30
45. Vallittu P.K., and Alakujala P. Residual monomer content and its release into water denture materials. Dent Mater 11 (1995) 338-342
46. Viljanen E.K., Langer S., Skrifvars M., and Vallittu P.K. Analysis of residual monomers in dendritic methacrylate copolymers and composites by HPLC and headspace-GC/MS. Dent Mater 22 (2006) 845-851
47. Zissis A., Yannikakis S., Polyzois G., and Harrison A. A long term study on residual monomer release from denture materials. Eur J Prosthodont Restor Dent 16 (2008) 81-84
48. Mello J.A.N., Braun K.O., Rached R.N., and Del Bel Cury A.A. Reducing the negative effects of chemical polishing in acrylic resins by use of an additional cycle of polymerization. J Prosthet Dent 89 (2003) 598-602
49. Filho R.R., Paula L.V., Costa V.C., and Seraidarian P.I. Avaliação de monômero residual em resinas acrílicas de uso ortodôntico e protético: análise por espectroscopia. R Dental Press Ortodon Ortop Facial 12 (2007) 96-104
50. Kawaguchi M., Takahashi Y., Fukushima T., and Habu T. Effect of light-exposure duration on the amount of leachable monomers from light-activated reline material. J Prosthet Dent 75 (1996) 183-187
51. Lai Y.L., Chen Y.T., Lee S.Y., Shieh T.M., and Hung S.L. Cytotoxic effects of dental resin liquids on primary gingival fibroblasts and periodontal ligament cells in vitro. J Oral Rehabil 31 (2004) 1165-1172
52. Sofou A., Tsoupi I., Karayannis M., and Owall B. Determination of residual monomers released from soft lining materials with the use of HPLC. Pak J Anal Environ Chem 8 (2007) 41-52
53. Brozek R., Rogalewicz R., Koczorowski R., and Voelkel A. The influence of denture cleansers on the release of organic compounds from soft lining materials. J Environ Monit 10 (2008) 770-774
54. Stafford G.D., and Brooks S.C. The loss of residual monomer from acrylic orthodontic resins. Dent Mater 1 (1985) 135-138
55. Imazato S., Horikawa D., Ogata K., Kinomoto Y., and Ebisu S. Responses of MC3T3-E1 cells to three dental resin-based restorative materials. J Biomed Mater Res A 76 (2006) 765-772
56. Hashimoto Y., Kawaguchi M., Miyazaki K., and Nakamura M. Estrogenic activity of tissue conditioners in vitro. Dent Mater 19 (2003) 341-346
57. Tsuchiya H., Hoshino Y., Kato H., and Takagi N. Flow injection analysis of formaldehyde leached from denture-base acrylic resins. J Dent 21 (1993) 240-243
58. Vallittu P.K. The effect of surface treatment of denture acrylic resin on the residual monomer content and its release into water. Acta Odontol Scand 54 (1996) 188-192
59. Sofou A., Tsoupi I., Emmanouil J., and Karayannis M. HPLC determination of residual monomers released from heat-cured acrylic resins. Anal Bioanal Chem 381 (2005) 1336-1346
60. Baker S., Brooks S.C., and Walker D.M. The release of residual monomeric methyl methacrylate from acrylic appliances in the human mouth: an assay for monomer in saliva. J Dent Res 67 (1988) 1295-1299
61. Lygre H., Solheim E., Gjerdet N.R., and Berg E. Leaching of organic additives from dentures in vivo. Acta Odontol Scand 51 (1993) 45-51
62. Lygre H., Klepp K.N., Solheim E., and Gjerdet N.R. Leaching of additives and degradation products from cold-cured orthodontic resins. Acta Odontol Scand 52 (1994) 150-156
63. Sadamori S., Kotani H., and Hamada T. The usage period of dentures and their residual monomer contents. J Prosthet Dent 68 (1992) 374-376
64. Lefebvre C.A., Schuster G.S., Marr J.C., and Knoernschild K.L. The effect of pH on the cytotoxicity of eluates from denture base resins. Int J Prosthodont 8 (1995) 122-128
65. Keyf F.A., and Keyf A.I. Harmful effects of methylmethacrylate and formaldehyde from acrylic resin denture base materials. Saudi Dent J 10 (1998) 23-28
66. Weaver R.E., and Goebel W.M. Reactions to acrylic resin dental prostheses. J Prosthet Dent 43 (1980) 138-142
67. Bohnenkamp D.M. Traumatic stomatitis following an intraoral denture reline: a clinical report. J Prosthet Dent 76 (1996) 113-114
68. Ruiz-Genao D.P., Moreno de Vega M.J., Sanchez Perez J., and Garcia-Diez A. Labial edema due to an acrylic dental prosthesis. Contact Dermatitis 48 (2003) 273-274
69. Giunta J., and Zablotsky N. Allergic stomatitis caused by self-polymerizing resin. Oral Surg Oral Med Oral Pathol 41 (1976) 631-637
70. Lunder T., and Rogl-Butina M. Chronic urticaria from an acrylic dental prosthesis. Contact Dermatitis 43 (2000) 232-233
71. Leggat P.A., and Kedjarune U. Toxicity of methylmethacrylate in dentistry. Int Dent J 53 (2003) 126-131
72. Gonçalves T.S., Morganti M.A., Campos L.C., Rizzatto S.M., and Menezes L.M. Allergy to auto-polymerized acrylic resin in an orthodontic patient. Am J Orthod Dentofacial Orthop 129 (2006) 431-435
73. Aalto-Korte K., Alanko K., Kuuliala O., and Jolanki R. Methacrylate and acrylate allergy in dental personnel. Contact Dermatitis 57 (2007) 324-330
74. Jorge J.H., Giampaolo E.T., Machado A.L., and Vergani C.E. Cytotoxicity of denture base acrylic resins: a literature review. J Prosthet Dent 90 (2003) 190-193
75. Goldibi F., and Asghari G. The level of residual monomer in acrylic denture base materials. Res J Biol Sci 4 (2009) 244-249
76. Shuster G.S., Lefebvre C.A., Dirksen T.R., Knoernschild K.L., and Caughmann G.B. Relationship between denture base resin cytotoxicity and cell lipid metabolism. Int J Prosthodont 8 (1995) 580-586
77. Vale F.M., Castro M., Monteiro J., Couto F.S., Pinto R., and Giao Toscano Rico J.M. Acrylic bone cement induces the production of free radicals by cultured human fibroblasts. Biomaterials 18 (1997) 1133-1135
78. Sheridan P.J., Koka S., Ewoldsen N.O., Lefebvre C.A., and Lavin M.T. Cytotoxicity of denture base resins. Int J Prosthodont 10 (1997) 73-77
79. Cimpan M.R., Matre R., Cressey L.I., Tysnes B., Lie S.A., Gjertsen B.T., and Skaug N. The effect of heat- and auto-polymerized denture base polymers on clonogenicity, apoptosis, and necrosis in fibroblasts: denture base polymers induce apoptosis and necrosis. Acta Odontol Scand 58 (2000) 217-228
80. Gough J.E., and Downes S. Osteoblast cell death on methacrylate polymers involves apoptosis. J Biomed Mater Res 57 (2001) 497-505
81. Huang F.M., Tai K.W., Hu C.C., and Chang Y.C. Cytotoxic effects of denture base materials on a permanent human oral epithelial cell line and on primary human oral fibroblasts in vitro. Int J Prosthodont 14 (2001) 439-443
82. Ciapetti G., Granchi D., Savarino L., Cenni E., Magrini E., Baldini N., and Giunti A. In vitro testing of the potential for orthopedic bone cements to cause apoptosis of osteoblast-like cells. Biomaterials 23 (2002) 617-627
83. Yang H.W., Chou L.S.S., Chou M.Y., and Chang Y.C. Assessment of genetic damage by methyl methacrylate employing in vitro mammalian test system. Biomaterials 24 (2003) 2909-2914
84. Jorge J.H., Giampaolo E.T., Vergani C.E., Machado A.L., Pavarina A.C., and Carlos I.Z. Effect of post-polymerization heat treatments on the cytotoxicity of two denture base acrylic resins. J Appl Oral Sci 14 (2006) 203-207 javascript:AL_get(this, 'jour', 'J Appl Oral Sci.')
85. Campanha N.H., Pavarina A.C., Giampaolo E.T., Machado A.L., Carlos I.Z., and Vergani C.E. Cytotoxicity of hard chairside reline resins: effect of microwave irradiation and water bath postpolymerization treatments. Int J Prosthodont 19 (2006) 195-201
86. 2+ mobilization in human salivary gland carcinoma cells and human gingival fibroblast cells related to monomer hydrophobicity. Biomaterials 27 (2006) 5794-5800
87. Bettencourt A., Fernandes A., Oliveira N., Monteiro J., Calado A., and Castro M. Evaluation of cytotoxicity and oxidative stress induced by acrylic bone cement in Raw 264.7 macrophages. Free Radic Biol Med 43 Suppl. 1 (2007) S44
88. Hattori N., Suzuki T., Jinno S., Okeya H., Ishikawa A., Kondo C., Hayashi T., Ito M., Kanamori T., Kawai T., and Noguchi T. Methyl methacrylate activates the Gsta1 promoter. J Dent Res 87 (2008) 1117-1121
89. Att W., Yamada M., Kojima N., and Ogawa T. N-Acetyl cysteine prevents suppression of oral fibroblast function on poly(methylmethacrylate) resin. Acta Biomater 5 (2009) 391-398
90. Moreau M.F., Chappard D., Lesourd M., Montheard J.P., and Basle M.F. Free radicals and side products released during methylmethacrylate polymerization are cytotoxic for osteoblastic cells. J Biomed Mater Res 40 (1998) 124-131
91. Kim S.H., Kim S.S., Kwon O., Sohn K.H., Kwack S.J., Choi Y.W., and Han S.Y. Effects of dibutyl phthalate and monobutyl phthalate on cytotoxicity and differentiation in cultured rat embryonic limb bud cells; protection by antioxidants. J Toxicol Environ Health A 65 (2002) 461-472
92. Kojima N., Yamada M., Paranjpe A., Tsukimura N., Kubo K., Jewett A., and Ogawa T. Restored viability and function of dental pulp cells on poly-methylmethacrylate (PMMA)-based dental resin supplemented with N-acetyl cysteine (NAC). Dent Mater 24 (2008) 1686-1693
93. Ishikawa A., Jinno S., Suzuki T., Hayashi T., Kawai T., Mizuno T., Mori T., and Hattori M. Global gene expression analyses of mouse fibroblast L929 cells exposed to IC50 MMA by DNA microarray and confirmation of four detoxification genes' expression by real-time PCR. Dent Mater J 25 (2006) 205-213
94. Schweikl H., Schmalz G., and Spruss T. The induction of micronuclei in vitro by unpolymerized resin monomers. J Dent Res 80 (2001) 1615-1620
95. Schweikl H., Spagnuolo G., and Schmalz G. Genetic and cellular toxicology of dental resin monomers. J Dent Res 85 (2006) 870-877
96. Yoshii E. Cytotoxic effects of acrylates and methacrylates: relationships of monomer structures and cytotoxicity. J Biomed Mater Res A 37 (1997) 517-524
97. Autian J. Structure-toxicity relationships monomers. Environ Health Perspect 11 (1975) 141-152
98. Lawrence W.H., Bass G.E., Purcell W.P., and Autian J. Use of mathematical models in the study of structure-toxicity relationships of dental compounds. Esters of acrylic and methacrylic acids. J Dent Res 51 (1972) 526-535
99. Bass G.E., Lawrence W.H., Purcell W.P., and Autian J. Further evaluation of a quantitative mathematical model for predicting acute toxicity of acrylate and methacrylate esters. J Dent Res 53 (1974) 756
100. Dillingham E.O., Laurence W.H., and Autian J. Acrylate and methacrylate esters: Relationship of hemolytic activity and in vivo toxicity. J Biomed Mater Res 17 (1983) 945-957
101. Kleinsasser N.H., Wallner B.C., Kastenbauer E.R., Weissacher H., and Harréus U.A. Genotoxicity of di-butyl-phthalate and di-iso-butyl-phthalate in human lymphocytes and mucosal cells. Teratog Carcinog Mutagen 21 (2001) 189-196
102. Masuki K., Nomura Y., Bhawal U.K., Sawajiri M., Hirata I., Nahara Y., and Okazaki M. Apoptotic and necrotic influence of dental resin polymerization initiators in human gingival fibroblasts cultures. Dent Mater J 26 (2007) 861-869
103. Woefel J.B., Paffenbarger G.C., and Sweeney W.T. Some physical properties of organic denture base materials. J Am Dent Assoc 67 (1963) 489-504
104. Dixon D.L., Breeding L.C., and Ekstrand K.G. Linear dimensional variability of three denture base resins after processing and in water storage. J Prosthet Dent 68 (1992) 196-200
105. Cucci A.L.M., Rached R.N., Giampaolo E.T., and Vergani C.E. Tensile bond strengths of hard chairside reline resins as influence by water storage. J Oral Rehabil 26 (1999) 631-634
106. Mese A., and Guzel K.G. Effect of storage duration on the hardness and tensile bond strength of silicone- and acrylic resin-based resilient denture liners to a processed denture base acrylic resin. J Prosthet Dent 99 (2008) 153-159
107. Dixon D.L., Ekstrand K.G., and Breeding L.C. The transverse strength of three denture base resins. J Prosthet Dent 66 (1991) 510-513
108. Takahashi Y., Chai J., and Kawaguchi M. Effect of water sorption on the resistance to plastic deformation of a denture base material relined with four different denture reline materials. Int J Prosthodont 11 (1998) 49-54
109. Takahashi Y., Chai J., and Kawaguchi M. Equilibrium strengths of denture polymers subjected to long-term water immersion. Int J Prosthodont 12 (1999) 348-352
110. Takahashi Y., Chai J., and Kawaguchi M. Strength of relined denture base polymers subjected to long-term water immersion. Int J Prosthodont 13 (2000) 205-208
111. Sato T., Takahashi H., Hongo T., and Hayakawa I. Effect of degradation of denture base resin on bond strength to relining resins. Dent Mater J 26 (2007) 89-95
112. Fuji K. Fatigue properties of acrylic denture base resins. Dent Mater J 8 (1989) 243-259
113. Rawls H. Dental polymers. In: Anusavice K.J. (Ed). Phillips' science of dental materials. 11th ed. (2003), Elsevier Science, St. Louis pp. 143-169 [Chapter 7]
114. Koran III A. Prosthetic applications of polymers. In: Craig R., and Powers J. (Eds). Restorative dental materials: Mosby. 11th ed. (2002) pp. 635-681 [Chapter 21]
115. Braden M., and Wright P.S. Water absorption and water solubility of soft lining materials for acrylic dentures. J Dent Res 62 (1983) 764-768
116. Qudah S., Huggett R., and Harrison A. The effect of thermocycling on the hardness of soft lining materials. Quintessence Int 22 (1991) 575-580
117. Dootz E.R., Karon A., and Craig R.G. Physical property comparison of 11 soft denture lining materials as a function of accelerated aging. J Prosthet Dent 69 (1993) 114-119
118. Arima T., Murata H., and Hamada T. Properties of highly cross-linked autopolymerizing reline acrylic resins. J Prosthet Dent 73 (1995) 55-59
119. International Organization for Standardization. Specification 1567: denture base polymers. 2nd ed. (1999), ISO, Switzerland
120. Muraoka G., Takahashi H., and Hayakawa I. Effects of cyclic loading on viscoelastic properties of soft lining materials. Dent Mater J 22 (2003) 251-261
121. Ferracane J.L., and Berge H.X. Fracture toughness of experimental dental composites aged in ethanol. J Dent Res 74 (1995) 1418-1423
122. Polyzois G.L. Adhesion properties of resilient lining materials bonded to light-cured denture. J Prosthet Dent 68 (1992) 854-858
123. Aydin A.K., Terzioglu H., Akinay A.E., Ulubayram K., and Hasirci N. Bond strength and failure analysis of lining materials to denture resin. Dent Mater 15 (1999) 211-218
124. El-Hadary A., and Drummond J.L. Comparative study of water sorption, solubility and tensile bond strength of two soft lining materials. J Prosthet Dent 83 (2000) 356-361
125. Braden M. The absorption of water by acrylic resins and other materials. J Prosthet Dent 14 (1964) 307-316
126. Léon B.L.T., del Bel Cury A.A., and Garcia R.C.M.R. Water sorption, solubility and tensile bond strength of resilient denture lining materials polymerized by different methods after thermal cycling. J Prosthet Dent 93 (2005) 282-287