Results 21 to 30 of about 4,611 (235)

Radiographic evaluation of preoperative and postoperative quality of root canal retreatments: a retrospective study [PDF]

BMC Oral Health
Background The aim of this study was to examine radiographic quality of root canal fillings retrospectively in teeth undergoing retreatment compared with primary root canal treatment.
Büşra Saçak, Özgür Er, Berdan Aydın, Fatma Akkoca, Günnur İlhan   +4 more
doaj   +2 more sources

Efficacy of Passive Ultrasonic Activation Assisted Hand vs. Rotary Retreatment Files in the Removal of Root Canal Filling Material: An In Vitro Study [PDF]

Journal of Clinical and Diagnostic Research, 2020
Introduction: Endodontic treatment failures are caused by persistent or secondary intraradicular infection due to inefficient treatment or re-infection of the obturated root canal system because of coronal or apical leakage.
Sumanthini V Margasahayam, Gorakh D Beble, Vanitha U Shenoy, Anuradha B Patil, Saima Ambareen Khan   +4 more
doaj   +1 more source

Selective Root Retreatment: A Randomized Clinical Trial

Dentistry 3000, 2022
Objectives: Post-treatment apical periodontitis is an inflammatory disorder of peri-radicular tissues caused by either persistent or secondary intra-radicular infection .
Mohamed Nagy, Ahmed Ghobashy
doaj   +1 more source

Experimental study on central location ability and clearance rate of three nickel-titanium instruments for root canal retreatment

口腔疾病防治, 2020
Objective Comparision of the central location ability and clearance rate of ProTaper retreatment, Fengdu O-file and M3-RT three kinds of nickel-titanium instruments and hand stainless instruments K-file, H-file.
KONG Jingjing, LI Chunnian, YIN Liangliang, DAI Xinpeng   +3 more
doaj   +1 more source

Comparison of the Efficacy of NeoNiTi, ProTaper, and Reciproc Files in the Retreatment of Curved Root Canals: a CBCT Assessment

Acta Stomatologica Croatica, 2022
Objective: Effective tools and methods are applied during root canal retreatment to eliminate root canal obturation materials and preserve the initial root canal anatomy.
Mamak Adel, Maryam Tofangchiha, Ensiyeh Rashvand, Iman Moutabha, Neda Roohi, Rodolfo Reda, Luca Testarelli   +6 more
doaj   +1 more source

The efficacy of three different file systems in removal of root filling residue that remains in oval root canal after the use of protaper retreatment files: An In vitro cone-beam computed tomography study

Advances in Human Biology, 2021
Aims: The aim of this study is to evaluate the efficacy of supplementary file system in the removal of gutta-percha and sealer from the root canal system.
Satish Vilas Sane, Sharad Ramchandra Kokate, Ajinkya M Pawar, Pratik Chandrakant Malusare, Karthik Balasubramaniam   +4 more
doaj   +1 more source

Micro-CT evaluation of the removal of root fillings using rotary and reciprocating systems supplemented by XP-Endo Finisher, the Self-Adjusting File, or Er,Cr:YSGG laser [PDF]

Restorative Dentistry & Endodontics, 2023
ObjectivesThis study aimed to compare the effectiveness of a single-file reciprocating system (WaveOne Gold, WOG) and a multi-file rotary system (ProTaper Universal Retreatment, PTUR) in removing canal filling from severely curved canals and to evaluate ...
Gülsen Kiraz, Bulem Üreyen Kaya, Mert Ocak, Muhammet Bora Uzuner, Hakan Hamdi Çelik   +4 more
doaj   +1 more source

Does selective root canal retreatment preserve the tooth's fracture resistance? An ex-vivo study. [PDF]

BMC Oral Health
Objectives To assess the tooth’s fracture resistance when submitted to a selective root canal retreatment compared to the conventional approach. Methods 33 intact permanent mandibular first molars were selected according to specific criteria. After teeth
Turky M, Mortada Abd Elfatah YA, Hamdy S.   +2 more
europepmc   +2 more sources

Endodontist's dilemma: Retreat or extract?

SRM Journal of Research in Dental Sciences, 2020
The retreatment in endodontics, when correctly incorporated, permits the conservation of dental components. The removal of different substances from root canal such as gutta-percha, fractured endodontic instruments, and silver points is the remedy to a ...
Girija Abhijeet Kolarkar, Vimala Nilker, Leena Padhye   +2 more
doaj   +1 more source

In vitro study of effect of solvent on root canal retreatment [PDF]

Brazilian Dental Journal, 2002
The aim of this study was to assess the effectiveness of five different solvents: xylol, eucalyptol, halothane, chloroform and orange oil on softening gutta-percha in simulated root canals. One drop of solvent was placed into a reservoir made in a simulated canal whose channel was previously instrumented and filled with gutta-percha and N-Rickert ...
Oyama, Kazumi Onaga Nagayama, Siqueira, Evandro Luiz, Santos, Marcelo dos   +2 more
openaire   +5 more sources