Evaluation of impact strength of heat cure and chemical cure acrylic resin denture base material
Keywords:Acrylic resin, Impact strength, Self-curing, Thermosetting
Background and Objective: Thermal and self-curing acrylic resins are widely used in dentistry because they are biocompatible, have no flavour or odour, have good thermal properties and polishing capacity, and are simple and quick to apply. As a result of its widespread
use, fracture-resistant behaviour is particularly significant. We investigated the fracture
resistance capabilities of thermal and self-curing acrylic resins in vitro in this study. The aim
was to compare the impact strength between hot cure acrylic and cold cure acrylic.
Method: 16 prosthetic specimens were made for each of the heat-cured and coldcured
acrylic resins which were stroked and tested with a Charpy type digital impact tester
(Electric Charpy impact tester) were used, and two joules of power were struck to get the
Result: Although the difference was not statistically significant, during evaluation on average thermosetting resins were more resistant to fracture than self-curable resins.
Conclusion: The outcome of this study concluded that the Heat-cured acrylic resins were,
on average, more resistant to fracture than cold-cure acrylic resins, although the difference
was not statistically significant.
Powers JM, Wataha JC. Dental Materials-E-Book:
Foundations and Applications. Elsevier Health
Silva AS, Carvalho A, Barreiros P, de Sá J, Aroso C,
Mendes JM. Comparison of fracture resistance
in thermal and self-curing acrylic resins—An in
vitro study. Polymers 2021; 13
Al – Berqdar FA, Al-Habeeb SS, AL- Ghabban MJ.
Evaluation and comparison of some mechanical
properties of self and hot-cure acrylic denture
base material under different pressure modality.
Journal of Kerbala University 2009; 7(1):1-3.
Tuna EB, Rohlig BG, Sancakli E, Evlioglu G, Gencay
K. Influence of acrylic resin polymerization
methods on residual mono-mer release. J Contemp Dent Pract 2013; 14(2): 259–264.
Zafar MS. Prosthodontic Applications of Polymethyl Methacrylate (PMMA). Polymers 2020; 12
Wally ZJ, AL-Khafagy MT, Al-Musawi RM. The
Effect of Different Curing Time on the Impact
Strength of Cold and Hot-Cure Acrylic Resin Denture Base Material. Med J of Babylon 2014; 11
Mohamed NA, Abulhamid AM, El-Shebrawy SM.
Evaluation of a newly formulated auto polymerized acrylic resin permanent denture base material (in vitro study). Alex dent j 2019; 44: 103-
Alla RK, Sajjan S, alluri VR, Ginjupalli K, Upadhya N.
Influence of fiber reinforcement on the properties of denture base resins. J biomater nanobiotechnol 2013; 4(1):1-3.
Altintas SH, Yondem I, Tak O, Usumez A. Temperature rise during polymerization of three different
provisional materials. Clin Oral Investig 2008;
Anusavice KJ, Shen C, Rawls HR. Philips science of
dental materials, Elsevier, USA, 2003.
Bahrani F, Vojdani M, Safari A, Karampoor G.
Comparison of Hardness and Surface Roughness
of Two Denture Bases Polymerized by Different
Methods. World J Dent 2012; 3(2): 171–175.
Bates JF, Stafford GD, Huggett R, Handley RW.
Current status of pour type denture base resins.
J Dent 1977; 5(3): 178-188.
Browning JD, Colonel I. A permanent-base denture technique using fluid resin. Chief Area Dental Laboratory 1973; 30(4): 461-471.
Bukleta1 MS, Bukleta D, Selmani M, Kuhar M.
Frequency of Complete and Removable Partial
Denture Treatment in The Primary Health Centres in Three Different Regions of Kosovo from
To 2013. Sciendo 2019; 58(3): 104-111.
Charasseangpaisarn T,Wiwatwarrapan C,
Leklerssiriwong N.Ultrasonic cleaning reduces the residual monomer in acrylic resins. J Dent
; 11(4): 443-448.
Warga JT. Influence of inhibitor on the properties of dental acrylic resin. Promovendi foundation publishing 2020; 42(3): 120-128.
Yannikakis S and Chemeng AA. Evaluation of
porosity in microwave-processed acrylic resin
using a photographic method. J Prosthet Dent
; 87(6):613- 619.
John J, Gangadhar SA, Shah I. Flexural strength
of heat-polymerized polymethyl methacrylate
denture resin reinforced with glass, aramid, or
nylon fibers. J Prosthet Dent 2001; 86(4):424-
Manappallil. Basic dental material. New delhi:
Jaypee brothers medical publishers, 2010.
Gupta A, Tewari RK. Evaluation and comparison of transverse and impact strength of
different high strength denture base resins.
Indian J Dent Res. 2016; 27(1):61-5. doi:
4103/0970-9290.179833. PMID: 27054863.
Gurbuz O, Dikbas I, Unalan F. Fatigue resistance of acrylic resin denture base material
reinforced with E-glass fibres. Gerodontology.
Jun;29(2):e710-4. doi: 10.1111/j.1741-
2011.00548.x. Epub 2011 Sep 28. PMID:
Uzun G, Hersek N. Comparison of the Fracture
Resistance of Six Denture.Base Acrylic Resins.
J Biomater Appl 2002; 17: 19–28.
How to Cite
Copyright (c) 2023 Ahmed Saleh Hamadameen (Author)
This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.
The copyright on any article published in Erbil Dental Journal is retained by the author(s) in agreement with the Creative Commons Attribution Non-Commercial ShareAlike License (CC BY-NC-SA 4.0).