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Article
Effect of Zinc on Antibacterial Action of Bioactive Glass Coating for Dental Implant

Authors: Ahmed Salah Hameed --- Ahmed Muhammed Abass --- Luma Jasim Hamood --- Israa Abass Obaid
Journal: Medical Journal of Babylon مجلة بابل الطبية ISSN: 1812156X 23126760 Year: 2015 Volume: 12 Issue: 3 Pages: 612-617
Publisher: Babylon University جامعة بابل

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Abstract

Peri-implantitis is one of the causes of implant failure. Attempts have been done to coat dental implant with bioactive glasses to enhance osseo-integration and reduce microbial attachment. However, the anti-bacterial action of these coatings was limited to certain bacterial strains . Metals such as zinc and silver have been added to these glasses to improve their anti-microbial action.In this study zinc (3 mole%)-containing and zinc-free bioactive glasses were synthesized using melt-derived route. The glass coatings on titanium discs were prepared using enameling technique. The antibacterial action of zinc-containing and zinc-free glass coatings was studied against Streptococcusmutants, Staphylococcus aureus and Porphyromonasgingivalis by disc diffusion method. These bacterial strains were obtained by swab samples. The results showed that zinc at 3 mole% had no effect on antibacterial action of bioactive glasses and both glass coatings exhibited similar effect on bacterial strains used in this study. Since these glass coatings have similar effect on aerobic and anaerobic bacteria, these glass coatings can be used in various medical applications.


Article
Anti-bacterial Action of Multi-component Bioactive Glass Coating for Surgical Suture

Authors: Ahmed Salah Hameed1 --- Rasha Jasim Al- Warid2 --- Israa Abass Obaid2
Journal: Journal of University of Babylon مجلة جامعة بابل ISSN: 19920652 23128135 Year: 2016 Volume: 24 Issue: 5 Pages: 1395-1400
Publisher: Babylon University جامعة بابل

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Abstract

Surgical sutures are textile biomaterial used for wound closure and ligate blood vessels. One of disadvantages of this material is establishment of infection at the surgical site. Coating sutures with bioactive glasses can be used to overcome such side effect. In this study, multi-component bioactive glass was prepared by melt-derived route and used to coat Mersilk suture by in-house slurry dipping technique. The antimicrobial action of this coating was investigated in vitro against Staphylococcus aurous, Streptococcus mutans and Lactobacillus and compared with tertiary-component (45S5) glass. The results indicated that multi-component bioactive glass coating exerted antibacterial action and this action increased with increasing glass concentration.

الخيوط الجراحيه هي مواد قماشيه تستخدم لخياطة الجروح وعقد الاوعيه الدمويه . ولكن واحدة من سلبياتها هو انتشار الالتهاب البكتيري في المنطقه الجراحيه .عمل غطاء للخيوط الجراحيه من مادة الزجاج الحيوي (البايولوجي) من الممكن ان يساعد في التغلب على هذة السلبيه .في هذه الدراسه الزجاج الحيوي المتعدد العناصر قد تم تحضيره بطريقة الذوبان الحراري لجعله غطاء ا الى الخيط الجراحي بطريقة التغطيس في المحلول المحليه .الفعل المضاد للبكتريا لهذا الغطاء قد تم دراسته ضد انواع من البكتريا Staphylococcus Streptococcus mutans and Lactobacillus وقد تم مقارنته بالزجاج الحيوي الرباعي العناصر 5 ϛ 45 .النتائج اثبتت ان الزجاج الحيوي المتعدد العناصر كان فعالا ضد البكتريا المستخدمة في هذة الدراسه وان فعله يزداد بزيادة تركيز الزجاج الحيوي .

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