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Journal of Dental Materials and Techniques، جلد ۱۱، شماره ۱، صفحات ۲۸-۳۶
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چکیده فارسی مقاله
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عنوان انگلیسی Evaluation of Root Canal Morphology of Maxillary Single Root Premolars with Two Canals using Cone Beam Computed Tomography in an Iranian Population
چکیده انگلیسی مقاله Introduction: There are many anatomical maxillary premolars variants, which differ in different races. The lack of information on such variants adds to the failure of endodontic treatment. This aim of this study is to evaluate anatomy and morphology of such variants using cone-beam computed tomography (CBCT), and to evaluate dentin thickness of the buccal and lingual canals of maxillary single rooted premolars with two canals. Methods: In this in-vitro study fifty single rooted maxillary premolars with two canals were collected from medical centers in Mashhad, Iran. The number of canals was assessed using periapical radiography. CBCT was utilized to scan teeth and were evaluated within the axial section for the position of root canals with respect to outer root surfaces and canal variants based on Vertucci’s classification in apical, intermediate, and coronal sections. Result: The smallest dentin thickness was 0.40 and 0.83 ± 0.25 mm for the apical third in mesial and distal direction, respectively. Also, the largest result was 3.10 mm for the coronal third buccal direction. The largest relative frequency of Vertucci class types was found to be type IV, while the smallest relative frequency was derived to be type III. The results revealed that seventeen cases had isthmus. Conclusion: Because of the thin dentin related to the mesial aspect, it is required to utilize low-taper files. It is not recommended to make use of orifice shapers.
کلیدواژه‌های انگلیسی مقاله Anatomy, Cone-beam computed tomography, Bicuspid
نویسندگان مقاله | Neda Naghavi
Associate Professor of Endodontic Department, School of Dentistry, Mashhad University of Medical Science


| Samareh Mortazavi
Assistant Professor of Oral and Maxillofacial Radiology, School of dentistry, Mashhad University of Medical Science


| Maryam Peighoun
Postgraduate Student of Endodontic Department, School of dentistry, Mashhad University of Medical Science
نشانی اینترنتی https://jdmt.mums.ac.ir/article_19802.html
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زبان مقاله منتشر شده en
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نوع مقاله منتشر شده Original Article
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