نتایج جستجو برای: tapered gutta

تعداد نتایج: 6978  

Journal: :The Boston Medical and Surgical Journal 1849

Journal: :Journal of Dental Health, Oral Disorders & Therapy 2017

Journal: :Scientific American 1906

آزادنیا, سینا, آلام, مصطفی, دیانت, سید امید, مزینی, محمدعلی, مومن‌خانی, صدیفه,

  Objective: Root canal obturation is an important step in endodontic therapy aiming at achieving a complete three-dimensional seal of the canal and preventing microleakage, reentry or growth of microorganisms in the root canal system. Several techniques and materials are available for root canal filling. Achieving an apical seal is among the most important characteristics of filling materials....

F. Azimi, H. Babazadeh, S. Valizadeh, Z. Azizi,

  Objective: Diagnosis of vertical root fractures (VRFs) is critical in endodontics which most of the times occurs in endodontically treated teeth with root canal fillings such as gutta percha. Despite Cone Beam Computed Tomography (CBCT) has significantly enhanced image quality compared to digital radiography (DR) which aid the diagnosis, artifacts has remained as a problem in VRF detection . ...

2017
Wang Juan Zhu Kun

Objective: To investigate the effect of warm gutta-percha filling with microscopic root canal technique. Methods: 120 patients with pulposis treated in our hospital from February, 2014 to December, 2015 were enrolled and randomized equally into observation and control group. The patients in the control group were treated with traditional root canal therapy, but those in the observation group we...

2017
Enrique Oltra Timothy C. Cox Matthew R. LaCourse James D. Johnson Avina Paranjpe

OBJECTIVES Recently, bioceramic sealers like EndoSequence BC Sealer (BC Sealer) have been introduced and are being used in endodontic practice. However, this sealer has limited research related to its retreatability. Hence, the aim of this study was to evaluate the retreatability of two sealers, BC Sealer as compared with AH Plus using micro-computed tomographic (micro-CT) analysis. MATERIALS...

2014
Firoza Samadi JN Jaiswal Sonali Saha Nishita Garg Swati Chowdhary Fahad Samadi Vandana Pandey Tripathi

AIM This study was undertaken to evaluate the percentage of gutta-percha-filled area (PGFA) using microscopic analysis of the cross-sections in the apical third of root canals when filled either with Thermafil technique, Warm Vertical Condensation technique and Cold Lateral Condensation technique without using sealers. MATERIALS AND METHODS Sixty single rooted extracted per-manent teeth were ...

2015
Jamshid Hadjati Hadi Assadian Abdollah Ghorbanzadeh Maryam Nourizadeh Tahereh Fattah Noushin Shokouhinejad

OBJECTIVES Cytotoxic effects of obturation materials were tested in presence and absence of endotoxin on human monocytes in vitro. MATERIALS AND METHODS Human monocytes from THP-1 cell line were cultured. Three millimeters from the tip of each Resilon and gutta percha points were cut and directly placed at the bottom of the culture wells. Cultured cells were exposed to gutta percha (groups G1...

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