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Root canal retreatment

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https://www.readbyqxmd.com/read/30107035/indications-for-root-canal-treatment-in-a-swedish-county-dental-service-patient-and-tooth-specific-characteristics
#1
E Wigsten, P Jonasson, T Kvist
AIM: To study patient- and tooth-specific characteristics of teeth indicated for root canal treatment, in the public dental service of the county of Västra Götaland, Sweden. METHODOLOGY: During a designated eight-week period, general dental practitioners (GDPs) working at 20 different public dental clinics consecutively registered indications for undertaking root canal treatment. The patients' subjective level of pain was also registered (VAS) at the very first appointment...
August 14, 2018: International Endodontic Journal
https://www.readbyqxmd.com/read/30091141/effectiveness-of-reciproc-blue-in-removing-canal-filling-material-and-regaining-apical-patency
#2
G De-Deus, F G Belladonna, A S Zuolo, M S Carvalho, C Barrozo, D S Oliveira, D M Cavalcante, E J N L Silva
AIM: To compare the efficiency of M-Wire Reciproc and Reciproc Blue instruments in the removal of root filling material and in their ability to regain apical patency through microcomputed tomographic (micro-CT) analysis. METHODOLOGY: Ten anatomically matched pairs of teeth, with a single oval-shaped straight canal, were selected and scanned in a micro-CT device. The root canals were prepared with M-Wire Reciproc R25 instruments and filled with gutta-percha and AH Plus sealer...
August 9, 2018: International Endodontic Journal
https://www.readbyqxmd.com/read/30083219/partial-necrosis-consequence-of-the-infection-spreading-from-an-adjacent-apical-periodontitis-a-case-report
#3
Saeed Asgary, Leyla Roghanizadeh
As the dental pulp could not be directly inspected before endodontic treatment, indirect evaluation of the pulp status via (para)/clinical tests should be performed which need careful inspection. This report presents a root-treated right maxillary first molar with recurrent abscess formation and a radiolucent periradicular lesion surrounding the distobuccal root of the right maxillary second molar. The patient underwent surgical retreatment, employing CEM root-end filling, which resulted in no relief from sign/symptoms...
2018: Iranian Endodontic Journal
https://www.readbyqxmd.com/read/30083218/combined-endodontic-and-surgical-management-of-twin-rooted-maxillary-lateral-incisor-with-a-palatogingival-groove
#4
Arshad Hasan, Javeria Ali Khan
A case of unusual anatomy in a maxillary lateral incisor is presented. A 20-year old female presented with failing endodontics. Clinical examination and radiographs revealed poorly obturated maxillary left lateral incisor with an untreated patent second root and a palatogingival groove. A decision was made to treat the tooth non-surgically. After removing gutta-percha from main canal, the orifice of second root could not be located from inside the chamber. After determining the position of this root to be mesial and palatal to main canal, gingival tissue was removed from mesio-palatal side and access was extended to include the cingulum and orifice was located mesio-palatally...
2018: Iranian Endodontic Journal
https://www.readbyqxmd.com/read/30083205/regaining-apical-patency-with-manual-and-reciprocating-instrumentation-during-retreatment
#5
Rafaela Cristina Trierveiler Paiva, Caroline Solda, Felipe Vendramini, José Roberto Vanni, Flávia Baldissarelli Marcon, Volmir João Fornari, Mateus Silveira Martins Hartmann
Introduction: Different techniques have been proposed to help achieving apical patency during endodontic treatment and retreatment. The objective of this in vitro study was to compare reestablishment of apical patency in teeth previously subjected to root canal treatment using manual and reciprocating instruments. Methods and Materials: A total of 40 single-rooted extracted human mandibular incisors were selected and prepared using the Hero 642 sequence to 45/0...
2018: Iranian Endodontic Journal
https://www.readbyqxmd.com/read/30078575/healing-of-apical-periodontitis-after-nonsurgical-root-canal-treatment-the-role-of-statin-intake
#6
Maha Alghofaily, Patricia Tordik, Elaine Romberg, Frederico Martinho, Ashraf F Fouad
INTRODUCTION: Numerous previously undocumented factors may influence the healing of apical periodontitis (AP). The aim of this cohort study was to analyze the association between statin medication intake during the follow-up period and healing of AP. METHODS: Patients who self-reported being on statins during nonsurgical root canal treatment or retreatment and patients who reported never taking statins were included. All patients who received treatment on a tooth with periapical radiolucency in the postgraduate endodontics clinic at the University of Maryland School of Dentistry (2011-2014) were invited for follow-up 2 to 5 years after treatment...
August 2, 2018: Journal of Endodontics
https://www.readbyqxmd.com/read/30054099/postoperative-pain-intensity-after-single-versus-2-visit-nonsurgical-endodontic-retreatment-a-randomized-clinical-trial
#7
Yelda Erdem Hepsenoglu, Tan F Eyuboglu, Mutlu Özcan
INTRODUCTION: The aim of this study was to evaluate postoperative pain after single-visit and 2-visit non-surgical endodontic retreatments with 2 different intracanal medicaments. METHODS: A total of 150 patients with asymptomatic root canal-treated teeth in need of nonsurgical endodontic retreatment were randomly divided into 3 groups (n = 50). Patients were selected randomly from among those without preoperative pain. Patients in group 1 (single visit) were treated in a single visit...
July 24, 2018: Journal of Endodontics
https://www.readbyqxmd.com/read/29985524/comparison-of-the-effectiveness-of-various-rotary-and-reciprocating-systems-with-different-surface-treatments-to-remove-gutta-percha-and-an-epoxy-resin-based-sealer-from-straight-root-canals
#8
I Bago, M Suk, M Katić, D Gabrić, I Anić
AIM: To compare the Reciproc Blue, Reciproc and ProTaper Universal Retreatment systems with regard to the effective removal of epoxy resin-based sealer and gutta-percha during the retreatment of oval, straight root canals. METHODOLOGY: Forty-five extracted, human mandibular first premolars with single straight oval canals were selected on the basis of cone beam computed tomography evaluations. The root canals were instrumented with the ProTaper Next system up to the X2 file, and filled with gutta-percha and epoxy resin-based sealer using the cold lateral condensation technique...
July 9, 2018: International Endodontic Journal
https://www.readbyqxmd.com/read/29962783/comparison-between-the-outcomes-of-two-platelet-rich-concentrates-on-apexogenesis-in-young-permanent-incisors-requiring-endodontic-retreatment
#9
Jaya Prasad, Ida de Noronha de Ataide, Paul Chalakkal, Lalit Kumar Likhyani
Platelet-rich fibrin (PRF) and platelet-rich plasma (PRP) have been successfully used for inducing pulp regeneration in nonvital teeth. This case report highlights the difference between the outcomes of using PRF and PRP for pulp regeneration in a 13-year-old male patient, who had reported with endodontic treatment failure in his upper incisors. Gutta-percha and sealant were removed, and triple antibiotic paste (TAP) was placed in all the root canals and sealed with cavit. Subsequently, after TAP removal, 11 and 12 were treated with PRF, while 21 and 22 were treated with PRP...
June 2018: Contemporary Clinical Dentistry
https://www.readbyqxmd.com/read/29930783/root-canal-treatment-of-dilacerated-second-maxillary-premolars-planning-the-shaping-procedure
#10
Davide Mancino, Naji Kharouf
This article aims at investigating endodontic anatomical variants in the human maxillary premolars allowing the planning of safer and faster shaping procedures. Endodontic literature describes maxillary 2nd premolars as some of the easiest teeth to treat, as they have either one or two straight canals. Rarely they may sometimes have two dilacerated canals. This paper reports two clinical cases of maxillary premolars whose anatomy is quite unusual. In the first case report we describe a maxillary 2nd premolar with a single root and two dilacerated merged canals...
June 2018: Journal of Clinical and Experimental Dentistry
https://www.readbyqxmd.com/read/29930782/management-of-a-crown-root-fracture-a-novel-technique-with-interdisciplinary-approach
#11
Amaia Artieda-Estanga, Pablo Castelo-Baz, Alba Bello-Castro, Isabel Ramos-Barbosa, Benjamin Martin-Biedma, Juan Blanco-Carrion
Anterior teeth with subgingival fractures require a complex treatment plan that addresses biologic, functional and aesthetic factors. This case report describes the management of a crown-root fractured maxillary left central incisor. An interdisciplinary approach was used to restore the tooth due to the complex nature of the treatment. Orthodontic extrusion was performed to move the fracture line above the alveolar bone and periodontal surgery to recontour the altered gingival margin. Finally, the incisor was restored performing a root canal retreatment with a fiber post and a full ceramic crown...
June 2018: Journal of Clinical and Experimental Dentistry
https://www.readbyqxmd.com/read/29920942/the-effect-of-single-tooth-implant-restorations-on-the-survival-morbidity-pulpal-and-periapical-health-of-adjacent-teeth-a-chart-review
#12
Ibrahim Duqum, Sarah Barker, Elizabeth Marshall, Rujin Wang, John S Preisser, Asma Khan
PURPOSE: To determine whether the placement and restoration of a single tooth posterior implant affects the survival, morbidity, pulpal, and periapical health of adjacent natural teeth. MATERIALS AND METHODS: A retrospective chart review identified patients who received single posterior tooth implants between August 2004 and July 2015 at the UNC SOD and met the study inclusion criteria. Preoperative and postoperative records were reviewed; survival and changes in coronal, pulpal, and periapical status of teeth adjacent to the implant and contralateral tooth were recorded...
June 19, 2018: Clinical Implant Dentistry and related Research
https://www.readbyqxmd.com/read/29786880/metagenomic-study-of-bacterial-microbiota-in-persistent-endodontic-infections-using-next-generation-sequencing
#13
G Sánchez-Sanhueza, H Bello-Toledo, G González-Rocha, A T Gonçalves, V Valenzuela, C Gallardo-Escárate
AIM: To determine the bacterial microbiota in root canals associated with persistent apical periodontitis and their relationship with the clinical characteristics of patients using next-generation sequencing (NGS). METHODOLOGY: Bacterial samples from root canals associated with teeth having persistent apical periodontitis were taken from 24 patients undergoing root canal retreatment. Bacterial DNA was extracted, and V3-V4 variable regions of the 16S rRNA gene were amplified...
May 22, 2018: International Endodontic Journal
https://www.readbyqxmd.com/read/29765897/anatomical-analysis-of-the-resected-roots-of-mandibular-first-molars-after-failed-non-surgical-retreatment
#14
Jiyoung Yoon, Byeong-Hoon Cho, Jihyun Bae, Yonghoon Choi
Objectives: Understanding the reason for an unsuccessful non-surgical endodontic treatment outcome, as well as the complex anatomy of the root canal system, is very important. This study examined the cross-sectional root canal structure of mandibular first molars confirmed to have failed non-surgical root canal treatment using digital images obtained during intentional replantation surgery, as well as the causative factors of the failed conventional endodontic treatments. Materials and Methods: This study evaluated 115 mandibular first molars...
May 2018: Restorative Dentistry & Endodontics
https://www.readbyqxmd.com/read/29707019/micro-ct-evaluation-of-gutta-percha-removal-by-two-retreatment-systems
#15
Gustavo Alberto Rubino, George Táccio de Miranda Candeiro, Laila Gonzales Freire, Elaine Faga Iglecias, Érico de Mello Lemos, Celso Luiz Caldeira, Giulio Gavini
Introduction: The aim of the present ex vivo research was to compare the remaining filling material and the volumes of dentine removed after retreatment of curved canals with two rotary systems naming ProTaper Universal Retreatment and Mani NRT-GPR using micro-computed tomography (micro-CT). Methods and Material: Forty mandibular molars containing two completely separated canals, with curvature angle of 25-35° and a curvature radius <10 mm were prepared to the Mtwo instrument 35/0...
2018: Iranian Endodontic Journal
https://www.readbyqxmd.com/read/29675760/comparison-of-efficiency-of-the-retreatment-procedure-between-wave-one-gold-and-wave-one-systems-by-micro-ct-and-confocal-microscopy-an-in-vitro-study
#16
Lyz Cristina Furquim Canali, Jussaro Alves Duque, Rodrigo Ricci Vivan, Clovis Monteiro Bramante, Marcus Vinícius Reis Só, Marco Antonio Hungaro Duarte
INTRODUCTION: To compare, by Micro-CT and confocal laser scanning microscopy (CLSM), the ability of the Wave One Gold and Wave One systems to remove filling material from mesial canals of mandibular molars, effective time spent; quantity of extruded material, and percentage of sealer in the dentinal tubules after retreatment and re-obturation procedures. MATERIALS AND METHODS: Ten first mandibular molars (n = 20 mesial canals) were prepared and filled with gutta-percha and Endofill sealer mixed with Rhodamine B dye using the single cone technique...
April 19, 2018: Clinical Oral Investigations
https://www.readbyqxmd.com/read/29670738/retreatment-of-failed-revascularization-revitalization-of-immature-permanent-tooth-a-case-report
#17
Radovan Žižka, Jiří Šedý, Iva Voborná
The aim of this article is to describe the clinical case of the non-surgical retreatment of a failed revascularization/revitalization treatment (RRT). The retreatment was preceded by two sessions including an interim medication with calcium hydroxide and a modified irrigation protocol containing a highly-concentrated sodium hypochlorite and prolonged usage of ethylenediaminetetraacetic acid (EDTA) to reverse unacceptable side effects of hypochlorite. During a 15- month follow-up, the healing of the periapical lesion, increased thickening of root canal walls and maturation of root was apparent...
February 2018: Journal of Clinical and Experimental Dentistry
https://www.readbyqxmd.com/read/29607864/retreatability-of-root-canals-obturated-using-mineral-trioxide-aggregate-based-and-two-resin-based-sealers
#18
M A Ekici, A Ekici, S Sağıroğlu, S Keyfiala, B Helvacıoğlu Kıvanç
Background: The aim of this study was to compare the retreatment time and the removal efficiency of different root canal sealers using WaveOne Gold reciproc file system by measuring required time. Materials and Methods: Forty-five mandibular premolars were prepared and randomly divided into three groups (n = 15). In Groups 1-3, the canals were filled with gutta-percha and mineral trioxide aggregate (MTA) Fillapex, EndoREZ, and AH26, respectively. After 7 days, root canal filling materials (RCFM) were removed with WaveOne Gold reciproc files by measuring time...
April 2018: Nigerian Journal of Clinical Practice
https://www.readbyqxmd.com/read/29606401/clinical-outcome-of-non-surgical-root-canal-treatment-using-a-single-cone-technique-with-endosequence-bioceramic-sealer-a-retrospective-analysis
#19
Elizabeth A Chybowski, Gerald N Glickman, Yogesh Patel, Alex Fleury, Eric Solomon, Jianing He
INTRODUCTION: One of the important steps in root canal treatment is to create a well-sealed root canal system. EndoSequence BC Sealer (BC; Brasseler USA, Savannah, GA) has several beneficial properties and thus has been incorporated into the practitioner's armamentarium. No studies to date have evaluated the clinical success of using BC. The purpose of this study was to evaluate the outcome of nonsurgical root canal treatment using a single-cone and BC technique and to identify factors associated with success or failure...
June 2018: Journal of Endodontics
https://www.readbyqxmd.com/read/29603889/apically-extruded-debris-during-the-removal-of-canal-filling-material-from-root-canals-using-three-techniques
#20
Hüseyin S Topçuoğlu, Özge Ulusan, Gamze Topçuoğlu, Eda Biricik
AIM: In the present study, we evaluated the effect of the single-cone technique (SCT), cold lateral compaction (CLC), and wave vertical compaction (WVC) technique performed using two different sealers on the amount of apically extruded debris (AED) produced during the removal of canal filling material. METHODS: Ninety extracted mandibular premolars were prepared with ProTaper instruments. The teeth were then randomly assigned to six groups (N = 15) for root canal filling: (a) group 1, CLC+AH Plus; (b) group 2, SCT+AH Plus; (c) group 3, WVC+AH Plus; (d) group 4, CLC+MTA Fillapex; (e) group 5, SCT+MTA Fillapex; and (f) group 6, WVC+MTA Fillapex...
March 30, 2018: Journal of Investigative and Clinical Dentistry
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