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The effect of using two disinfectant solutions on the surface roughness and hardness of dental stone die material / Rami Mohammed Oklah ; Supervised Ahmad Hassanein Khalil , Gihan Abdelhady Elnagger

By: Contributor(s): Material type: TextTextLanguage: English Publication details: Cairo : Rami Mohammed Oklah , 2014Description: 87 Leaves : photographs ; 30cmOther title:
  • تأثير استخدام محلولين مطهرٌين على خشونة و صلابة السطح لمادة نموذج الجبس الحجرى السنى [Added title page title]
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Dissertation note: Thesis (M.Sc.) - Cairo University - Faculty of Oral and Dental Medicine - Department of Prosthodontics Summary: The aim of the present study was to investigate the effect of using two disinfectant solutions for both polyether and addition silicone impression materials on the surface roughness and surface hardness of type IV dental stone die material. two types of elastomeric impression materials (addition silicone and polyether) and two types of disinfectant solutions 2% chlorhexidine and 5.25% sodium hypochlorite were used. A total of 30 impressions divided into two groups (15 for each impression material). Each group was subdivided according to the disinfectant application into three subgroups (n = 5): subgroup N not subjected to any disinfection (control), subgroup C subjected to 2% chlorohexidine gluconate and subgroup S subjected to 5.25% sodium hypochlorite. Disinfection time was 10 minutes. All impressions were poured with type IV dental stone die material. The surface roughness was determined by 3D surface roughness measurement using a light sectioning vision system, while surface hardness was determined using Vickers Micro-hardness Tester. Data were collected and statistically analyzed.
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Thesis Thesis قاعة الرسائل الجامعية - الدور الاول المكتبة المركزبة الجديدة - جامعة القاهرة Cai01.09.09.M.Sc.2014.Ra.E (Browse shelf(Opens below)) Not for loan 01010110065477000
CD - Rom CD - Rom مخـــزن الرســائل الجـــامعية - البدروم المكتبة المركزبة الجديدة - جامعة القاهرة Cai01.09.09.M.Sc.2014.Ra.E (Browse shelf(Opens below)) 65477.CD Not for loan 01020110065477000

Thesis (M.Sc.) - Cairo University - Faculty of Oral and Dental Medicine - Department of Prosthodontics

The aim of the present study was to investigate the effect of using two disinfectant solutions for both polyether and addition silicone impression materials on the surface roughness and surface hardness of type IV dental stone die material. two types of elastomeric impression materials (addition silicone and polyether) and two types of disinfectant solutions 2% chlorhexidine and 5.25% sodium hypochlorite were used. A total of 30 impressions divided into two groups (15 for each impression material). Each group was subdivided according to the disinfectant application into three subgroups (n = 5): subgroup N not subjected to any disinfection (control), subgroup C subjected to 2% chlorohexidine gluconate and subgroup S subjected to 5.25% sodium hypochlorite. Disinfection time was 10 minutes. All impressions were poured with type IV dental stone die material. The surface roughness was determined by 3D surface roughness measurement using a light sectioning vision system, while surface hardness was determined using Vickers Micro-hardness Tester. Data were collected and statistically analyzed.

Issued also as CD

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