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:: دوره 35، شماره 4 - ( 9-1396 ) ::
جلد 35 شماره 4 صفحات 138-142 برگشت به فهرست نسخه ها
Effect of Component Dismantling on Quality of Sterilization of Mechanical Torque Limiting Devices(Pilot Study)
چکیده:   (504 مشاهده)
Objectives Dental instruments may serve as a route of infection transmission. The necessity of dismantling of Friction-Style (FS) and SpringStyle (SS) mechanical torque limiting devices (MTLDs) prior to disinfection and sterilization is a matter of debate, aside fromthe fact that it is
difcult and time-consuming. This study sought to assess the effect of dismantling of components on quality of sterilizationof MTLDs.

Materials and Methods This in vitro experimental study was performed on 96 torque devices. Forty eight FS-MTLDs of two manufacturers
(
n = 24) namely Astra Tech (Hader SA, La Chaux-de-Fonds, Switzerland) and Dr. Idhe (Dr. Idhe Dental, Eching, Munich, Germany) and 48
SS-MTLDs of two manufacturers (
n = 24) namely Nobel Biocare (Nobel Biocare, Goteborg, Sweden) and Straumann (Institut Straumann,
Basel, Switzerland). After coding, specimens were inoculated with
Bacillus stearothermophilus (PTCC1713) and 24 devices of four
manufacturers each were divided into two groups (
n = 12) for disinfection in assembled or disassembled form. Each group was then
divided into two subgroups (
n = 6) for sterilization in assembled or dismantled form. After disinfection and sterilization, bacterial proliferation
was assessed for all MTLDs. In case of observing turbidity, Gram-staining and differential tests were performed. The results were expressed
as presence or absence of contamination.

Results Growth of B. stearothermophilus did not occur in any plate (no turbidity). Only one plate showed growth of Staphylococcus
saprophyticus.

Conclusion Dismantling of components had no signifcant effect on quality of sterilization of MTLDs.
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نوع مطالعه: پژوهشي | موضوع مقاله: تخصصي
دریافت: ۱۳۹۷/۲/۳۱ | پذیرش: ۱۳۹۷/۲/۳۱ | انتشار: ۱۳۹۷/۲/۳۱
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Saboury A, Sadr S J, Eslami G, Rashidpour M, Ahmad Nejad M E, Mahshid M, et al . Effect of Component Dismantling on Quality of Sterilization of Mechanical Torque Limiting Devices(Pilot Study) . J Dent Sch. 2017; 35 (4) :138-142
URL: http://jds.sbmu.ac.ir/article-1-1644-fa.html

Effect of Component Dismantling on Quality of Sterilization of Mechanical Torque Limiting Devices(Pilot Study) . مجله دانشکده دندانپزشکی دانشگاه علوم پزشکی شهید بهشتی. 1396; 35 (4) :138-142

URL: http://jds.sbmu.ac.ir/article-1-1644-fa.html



دوره 35، شماره 4 - ( 9-1396 ) برگشت به فهرست نسخه ها
مجله دانشکده دندانپزشکی دانشگاه علوم پزشکی شهید بهشتی Shahid Beheshti University Dental Journal
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