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Year : 2019  |  Volume : 31  |  Issue : 2  |  Page : 168-172

A comparative evaluation of fracture resistance of endodontically treated teeth obturated with four different methods of obturation: An in vitro study

1 Department of Conservative Dentistry and Endodontics, College of Dental Science and Hospital, Rau, Indore, Madhya Pradesh, India
2 Indian Agricultural Research Institute, Indore, Madhya Pradesh, India

Correspondence Address:
Dr. Khushboo Goyal
Gg28 Orchid Girls' Hostel, Scheme No. 54, Opp. Hotel Sayaji, Behind Hotel Park, Vijaynagar, Indore - 452 010, Madhya Pradesh
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/endo.endo_13_19

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Objective: The objective is to compare the vertical fracture resistance of teeth obturated with four different obturating techniques using universal testing machine (UTM). Materials and Methods: One hundred single-rooted mandibular premolars were instrumented with ProTaper Universal rotary files up to size F3. Samples were obturated using four different methods of obturation (Lateral compaction, continuous wave condensation (CWC), GuttaFlow 2, and GuttaCore). UTM was used for the evaluation of fracture resistance. Data were analyzed by one-way ANOVA and student t- test. Results: The highest tolerated mean load, in the decreasing order, was observed with GuttaCore (346.3 ± 45.0), GuttaFlow 2 (211.0 ± 29.8), lateral compaction (169.8 ± 23.6), and continuous-wave condensation obturation (167.6 ± 19.3). Conclusion: The GuttaCore system showed superior fracture resistance when compared to GuttaFlow 2, continuous-wave condensation and lateral compaction obturation method.

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