Usporedna procjena strojnih sustava Twisted File i Revo-S korištenjem CBCT-a Comparative Evaluation of the Twisted FileTM and Revo-S Rotary Systems Using Cone Beam Computed Tomography
نویسندگان
چکیده
Adresa za dopisivanje Prof. Dr. Carlos Menezes Aguiar, Rua Aristides Muniz, 70/501, Boa Viagem, Recife PE 51020-150 Brazil. Tel: (+55) 81 3467 6821. [email protected] Sažetak Svrha: Korištenjem konične kompjutorizirane tomografije (CBCT-a) željela se odrediti mogućnost centriranja Twisted Fileom u usporedbi sa strojnim sustavom Revo-S. Materijali i metode: Četrdeset bukomezijalnih kanala maksilarnog prvog kutnjaka sa zakrivljenošću od 25° do 30° podijeljeni su u dvije skupine po 20, ovisno o korištenom sustavu (skupina 1: Twisted File; skupina 2: strojni sustav Revo-S). Svi zubi slikani su CBCT-om te im je određen oblik korijenskih kanala prije instrumentacije i nakon toga postupka. Zatim su slike digitalno obrađene Image Tools Softwareom i izračunat je omjer centriranja kanala. Rezultati su statistički analizirani ti Mann-Whitneyjevim testom. Stupanj statističke značajnosti postavljen je na ,05. Rezultati: Ni kod jednog sustava centriranje nije bilo besprijekorno te između dviju eksperimentalnih skupina nije bilo statistički značajnih razlika (p<0,05). Zaključak: Ni jedan od procijenjenih strojnih sustava nije bio savršeno učinkovit tijekom biomehaničke obrade korijenskih kanala jer su oba prouzročila pomak sredine kanala. Ključne riječi konična kompjutorizirana tomografija; stomatološki instrumenti; endodoncija; korijenski kanal, obrada 1 Izvanredni professor, Zavod za protetiku I oralnu I facijalnu kirurgiju, Stomatološki fakultet Državno sveučilište Pernambuco, Recife, Brazil Associate Professor, Department of Prosthetics and Oral and Facial Surgery, Faculty of Dentistry, Federal University of Pernambuco, Recife, Brazil 2 Student, Stomatološki fakultet fakultet Državno sveučilište Pernambuco, Recife, Brazil Undergraduate Student, Faculty of Dentistry, Federal University of Pernambuco, Recife, Brazil 3 Zavod za protetiku I oralnu I facijalnu kirurgiju, Stomatološki fakultet Državno sveučilište Pernambuco, Recife, Brazil Department of Prosthetics and Oral and Facial Surgery, Faculty of Dentistry, Federal University of Pernambuco, Recife, Brazil 4 Privatna ordinacija, Recife, Brazil Private Practice, Recife, Brazil
منابع مشابه
Assessment of the Centralization of Root Canal Preparation with Rotary Systems.
OBJECTIVE Apical deviations are important factors in endodontic therapy, since they can cause the treatment failure. The aim of the present study was to determine the centering capacity of ProTaper Universal™, Twisted File™ and Revo-S® rotary systems using cone beam computed tomography analysis before and after the instrumentation of root canals. MATERIALS AND METHODS Thirty mesiobuccal roots...
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