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Journal of Dentistry, Shiraz University of Medical Sciences، جلد ۲۲، شماره ۳، صفحات ۱۹۳-۱۹۷
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عنوان انگلیسی A Comparison of the Apical Extrusion of Debris during the Preparation of Root Canal with Medin, Race and Protaper Rotary Systems
چکیده انگلیسی مقاله Statement of the Problem: One of the annoying problems related to almost all root canal preparation systems, which may cause flare-ups and impairment in the healing process is the extrusion of intracanal debris. Purpose: This study was conducted to evaluate the amount of apically-extruded debris during root canal preparation using Medin (MEDIN Co., Czech Republic) rotary system compared with two common rotary systems, including Protaper (Dentsply Maillefer., Switzerland) and RaCe (FKG Dentaire, Switzerland). Materials and Method: Sixty mandibular premolars with single canal were randomly assigned to three groups (n=20). The root canals were prepared with Medin, Protaper and RaCe rotary instruments based on their manufacturers’ instructions. The debris were collected into pre-weighted Eppendorf tubes. The weight of the extruded debris was calculated by subtracting the pretreatment weight of the vials. Data were analyzed using the Kruskal-Wallis test at a 5% significance level. Results: Medin instrument caused significantly less debris extrusion in comparison with Protaper and Race (p < 0.05). The differences between the Protaper and Race rotary systems were not statistically significant (p = 0.752). Conclusion: Within the limitations of this in vitro study, Medin rotary system produced less apical extrusion than Protaper and Race.
کلیدواژه‌های انگلیسی مقاله apical extrusion, debris, Endodontic treatment, rotary file
نویسندگان مقاله Mohammadreza Nabavizadeh |
Oral and Dental Disease Research Center, Dept. of Endodontics, School of Dentistry, Shiraz University of Medical Sciences, Shiraz, Iran

Mohammad Mehdi Shokouhi |
Dept. of Endodontics, School of Dentistry, Shiraz University of Medical Sciences, Shiraz, Iran.

Mojgan Kheirandish |
Dental Student, School of Dentistry, Shiraz University of Medical Sciences, Shiraz, Iran.

Safoora Sahebi |
Dept. of Endodontics, School of Dentistry, Shiraz University of Medical Sciences, Shiraz, Iran.

Nooshin Sadatshojaee |
Dept. of Endodontics, School of Dentistry, Shiraz University of Medical Sciences, Shiraz, Iran.

Abbas Abbaszadegan |
Dept. of Endodontics, School of Dentistry, Shiraz University of Medical Sciences, Shiraz, Iran.

نشانی اینترنتی https://dentjods.sums.ac.ir/article_47209_2d4fecc4433d3d175c854579975b7576.pdf
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