title

مقایسه استحکام باند push-out تکنیکهای پرکردن تراکم جانبی سرد وsingle-cone

گله دار, سعیده ، مختاری, هادی ، فرهنگ, رباب (1397) مقایسه استحکام باند push-out تکنیکهای پرکردن تراکم جانبی سرد وsingle-cone. در: 18TH International Congress Of Iranian Association Of Endodontists, Sep 2-4, 2018, Iran- Tehran.

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عنوان انگليسی

Comparison of Push-out Bond Strength of Single-cone and Cold Lateral Compaction Obturation Techniques

خلاصه انگلیسی

Background and aims: The aim of the present study was to compare the push-out bond strength of gutta-percha to root dentin with the single-cone and cold lateral compaction canal obturation techniques. Materials and methods: The root canals of 58 human mandibular premolars were prepared using modified crown-down technique with Protaper rotary files up to # F3 master apical file and divided randomly into groups A and B based on canal obturation technique. In group A (n=29) the root canals were obturated with single-cone technique with #F3 (30/.09) Protaper gutta-percha, which was matched with MAF in relation to diameter, taper and manufacturer; in group B (n=29) the canals were obturated with gutta-percha using cold lateral compaction technique. After two weeks of incubation, three 2-mm slices were prepared at a distance of 2 mm from the coronal surface and push-out test was carried out. Results : Table 1 presents the means and standard deviations of push-out bond strength values with the two canal obturation techniques. The results of Kolmogorov-Smirnov test showed normal distribution of bond strength values and data were parametric (Kolmo-gorov-Smirnov z = 1.05, P = 0.22). Independent two-sample t-test was used to compare mean bond strength values between the two groups. The results showed significant differences in mean bond strength values between the two groups (P = 0.008). It was concluded at a 95% confidence interval that the mean push-out bond strength values in group B (lateral compaction technique) were higher than those in group A (single-cone technique). Conclusion On the whole, considering the limitations of in vitro studies, the results of this study showed that use of the single-cone technique, with a master cone match-ing the root canals prepared with tapered rotary in-struments, resulted in a lower bond strength com-pared to the use of cold lateral compaction technique.

نوع سند :موضوع کنفرانس یا کارگاه (پوستر )
زبان سند : انگلیسی
نویسنده مسئول :سعیده گله دار
نویسنده :رباب فرهنگ
کلیدواژه ها (انگلیسی):Push-out bond strength, gutta-percha, root dentin
موضوعات :WU دندانپزشکی .جراحی دهان
بخش های دانشگاهی :دانشکده دندانپزشکی > گروه اندودونتیکس
کد شناسایی :11762
ارائه شده توسط : دکتر سعیده گله دار
ارائه شده در تاریخ :05 خرداد 1398 16:31
آخرین تغییر :06 فروردین 1401 11:33

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