Turkiye Klinikleri Journal of Dental Sciences

.: ORIGINAL RESEARCH
Effect of Eight Different Disinfection Methods on the Surface Roughness and Flexural Strength Properties of Acrylic Resins: In Vitro Study
Sekiz Farklı Dezenfeksiyon Yönteminin Akrilik Reçinelerin Yüzey Pürüzlülüğü ve Eğilme Mukavemetine Etkisi: İn Vitro Çalışma
Ali Can BULUTa, Almira Ada DİKEN TÜRKSAYARb
aDepartment of Prosthodontics, Kırıkkale University Faculty of Dentistry, Kırıkkale, Türkiye
bDepartment of Prosthodontics, Biruni University Faculty of Dentistry, İstanbul, Türkiye
Turkiye Klinikleri J Dental Sci. 2023;29(1):139-46
doi: 10.5336/dentalsci.2022-92010
Article Language: EN
Full Text
ABSTRACT
 Objective: The method used to clean and disinfect dentures can affect the surface properties and flexural strength of dentures. The purpose of this study was to evaluate the effects of eight different disinfection methods on the surface roughness and flexural strength of heat-polymerized acrylic resins. Material and Methods: A total of 108 acrylic resin blocks were divided into nine groups (n=12) according to disinfection procedure: Group 1: distilled water (control group), Group 2: 100% white vinegar, Group 3: 50% white vinegar, Group 4: 2% glutaraldehyde, Group 5: 3% hydrogen peroxide, Group 6: 5% sodium hypochlorite, Group 7: 2% sodium hypochlorite, Group 8: microwave, and Group 9: ultraviolet (UV) light. The effects of the disinfection methods on acrylic resins were examined by analyzing the surface roughness measurement of acrylic resins using a profilometer and the flexural strength values. The Kolmogorov-Smirnov and Levene tests were used to control the normal distribution of the data and the homogeneity of the variances, respectively. The surface roughness and flexural strength values were analyzed using one-way analysis of variance and post hoc Tukey's test. Results: There was an increase in surface roughness values in all the groups except the control and UV groups (p>0.05). Decreased flexural strength was found in all the groups except the control, 50% white vinegar solution, and UV groups (p>0.05). Conclusion: Only UV sanitizer caused the least negative effect among other disinfection methods in terms of surface roughness and flexural strength.

Keywords: Disinfection; anti-bacterial agents; flexural strength; denture bases
ÖZET
 Amaç: Dental protezleri temizlemek ve dezenfekte etmek için kullanılan yöntem, protezlerin yüzey özelliklerini ve eğilme mukavemetini etkileyebilir. Bu çalışmanın amacı, ısı ile polimerize edilmiş akrilik reçinelerin yüzey pürüzlülüğü ve eğilme mukavemeti üzerine 8 farklı dezenfeksiyon yönteminin etkilerini değerlendirmektir. Gereç ve Yöntemler: Toplam 108 akrilik reçine blok dezenfeksiyon prosedürüne göre 9 gruba (n=12) ayrıldı: Grup 1: distile su (kontrol grubu), Grup 2: %100 beyaz sirke, Grup 3: %50 beyaz sirke, Grup 4: %2 glutaraldehit, Grup 5: %3 hidrojen peroksit, Grup 6: %5 sodyum hipoklorit, Grup 7: %2 sodyum hipoklorit, Grup 8: mikrodalga ve Grup 9: ultraviyole (UV) ışık. Akrilik reçinelerin profilometre ile yüzey pürüzlülük ölçümü ve eğilme mukavemeti değerleri analiz edilerek dezenfeksiyon yöntemlerinin akrilik reçineler üzerindeki etkileri incelendi. Verilerin normal dağılımını ve varyansların homojenliğini kontrol etmek için sırasıyla Kolmogorov-Smirnov ve Levene testleri kullanıldı. Yüzey pürüzlülüğü ve eğilme mukavemeti değerleri, tek yönlü varyans analizi ve post-hoc Tukey testi kullanılarak analiz edildi. Bulgular: Kontrol ve UV grupları hariç tüm gruplarda yüzey pürüzlülük değerlerinde artış görüldü (p>0,05). Kontrol, %50 beyaz sirke solüsyonu ve UV grupları hariç tüm gruplarda eğilme mukavemetinde anlamlı ölçüde azalma olduğu bulundu (p>0,05). Sonuç: Sadece UV ışınları, yüzey pürüzlülüğü ve eğilme mukavemeti bakımından diğer dezenfeksiyon yöntemleri arasında en az negatif etkiye neden olmuştur.

Anahtar Kelimeler: Dezenfeksiyon; antibakteriyel ajanlar; eğilme dayanımı; protez kaideleri
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