THE EFFECT OF DENTURE CLEANSERS ON TRANSVERSE STRENGTH AND COLOR STABILITY OF HEAT CURE POLYMERIZING ACRYLIC RESINS
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Keywords
: Denture cleaner, Heat-cured acrylic resin, Transverse strength
Abstract
Objective: The widespread use of denture cleaners has led to concerns regarding their effects on the transverse strength and color stability of heat-cured acrylic resin dentures. This study aimed to evaluate the impact of commercial and household denture cleaners on these two properties.
Methods: Eighty samples of heat-cured acrylic resin (2.5×10×64 mm) were randomly divided into four subgroups (N = 10) and immersed in distilled water (control), Professional® tablets, 1% sodium hypochlorite, and 1% vinegar solutions. The color components of the samples were measured using a spectrophotometer before and after immersion for 7 days, 14 hours, and 30 minutes (T1) and 12 days, 16 hours, and 10 minutes (T2). A three-point bending test was also performed.
Results: The maximum and minimum transverse strengths at T1 were observed in 1% sodium hypochlorite solution and distilled water, respectively, while the control group and 1% sodium hypochlorite had the highest and lowest strengths at T2. The control and 1% vinegar groups exhibited the lowest and highest color changes at T1 and T2, respectively, while the Professional® tablet and 1% sodium hypochlorite had the lowest and highest color changes.
Conclusion: The use of Professional® denture cleaners is recommended as it has the least detrimental effect on the transverse strength and color stability of heat-cured acrylic resin dentures. This finding can be useful for patients and clinicians in selecting appropriate denture-cleaning solutions.
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Foruzesh Shirgahi
Department of Prosthodontics, Dental materials research center, Health research institute, Babol university of medical sciences. Babol Iran.
Atefeh Sharifpour
Department of Prosthodontics, Student Research Committee, Babol University of Medical Sciences, Babol, Iran.
Fahimeh Hamedirad
Department of Prosthodontics, Dental materials research center, Health research institute, Babol university of medical sciences. Babol Iran.
Hasan Aziziz
Department of Prosthodontics, Oral Health Research Center, Health Research Institute, Babol university of medical sciences. Babol Iran.
Tayebeh Mousavi Kordmiri
Department of Prosthodontics, Oral Health Research Center, Health Research Institute, Babol university of medical sciences. Babol Iran
Alireza Saadati
Department of Prosthodontics, Oral Health Research Center, Health Research Institute, Babol university of medical sciences. Babol Iran.
Mehrnoosh Oladzad abbasabdi
Department of Prosthodontics, Oral Health Research Center, Health Research Institute, Babol university of medical sciences. Babol Iran.
Faraneh Mokhtarpour
Department of Prosthodontics, Oral Health Research Center, Health Research Institute, Babol university of medical sciences. Babol Iran.