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The effect of denture cleaners on Tensile Strength and Indentation hardness of denture base materials Raghdaa

Author: Karim Jassim B D S, MSc, PhD * د. كريم جاسم
Journal: MUSTANSIRIA DENTAL JOURNAL مجلة المستنصرية لطب الاسنان ISSN: 18138500 Year: 2006 Volume: 3 Issue: 2 Pages: 202-206
Publisher: Al-Mustansyriah University الجامعة المستنصرية


Background: Denture cleaner solutions are used extensively for the cleaning ofprosthesis both plastic and metallic component .The chemical composition of cleanersolution are virtually important in defining their adverse effect on properties of acrylicpart of prosthesisAims of the study The present study carried out to study the effect of somecleaning solution on tensile strength and indentation hardness of both types of acrylicresin (hot and cold cured) and compare the effect on different types of denturematerials.Materials and methods: Specimens of hot and cold cured acrylic resin wereprepared according to ADA specification for both indentation hardness and tensilestrength test. The specimen were immersed in distilled water for seven days then wereleft in containers containing one of the following denture cleaners, Staradent 1%H202,5%HCL& vinegar solution. Each container contained five specimens of either heatcure or cold cure with one type of denture cleaners and they were left for seven days.Specimens were then tested for indentation hardness and tensile strength test.Results: The results showed that Vinegar solution has an deleterious effect ontensile strength and indentation surface hardness of hot cured acrylic resin ascompared with control while for cold cure all specimens affected by all cleaningsolutions.

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