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endodontics, root canal,

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https://www.readbyqxmd.com/read/28724858/antibacterial-effect-of-azadirachta-indica-neem-or-curcuma-longa-turmeric-against-enterococcus-faecalis-compared-with-that-of-5-sodium-hypochlorite-or-2-chlorhexidine-in-vitro
#1
Dakshita Joy Sinha, Kanwar D S Nandha, Natasha Jaiswal, Agrima Vasudeva, Shashi Prabha Tyagi, Udai Pratap Singh
The purpose of this study was to compare the antibacterial properties of Azadirachta indica (neem) or Curcuma longa (turmeric) against Enterococcus faecalis with those of 5% sodium hypochlorite or 2% chlorhexidine as root canal irrigants in vitro. The activity of neem, chlorhexidine, sodium hypochlorite, or turmeric against E. faecalis was measured on agar plates using the agar diffusion method. The tube dilution method was used to determine the minimum inhibitory concentration (MIC) and minimum bactericidal concentration (MBC) of the irrigants used...
2017: Bulletin of Tokyo Dental College
https://www.readbyqxmd.com/read/28722002/report-of-occurrence-and-endodontic-management-of-three-rooted-maxillary-first-and-second-premolars-in-the-same-individual
#2
Kothandaraman Sathyanarayanan, Manali Ramakrishnan Srinivasan, Sundaresan Balagopal, Lingeswaran Poornima
Anatomical variations should be kept in mind in clinical and carefully looked for in radiographic evaluation during endodontic treatment of maxillary premolars. These teeth have highly variable root canal morphology. Although three separate roots in the maxillary first premolars have been reported, it is a rarity to find both the first and second premolars possessing three separate roots. This case report describes the diagnosis and endodontic management of maxillary first and second premolars with three canals and three separate roots...
May 2017: Indian Journal of Dental Research: Official Publication of Indian Society for Dental Research
https://www.readbyqxmd.com/read/28720286/stress-generation-during-pecking-motion-of-rotary-nickel-titanium-instruments-with-different-pecking-depth
#3
Jung-Hong Ha, Sang Won Kwak, Asgeir Sigurdsson, Seok Woo Chang, Sung Kyo Kim, Hyeon-Cheol Kim
INTRODUCTION: The aim of this study was to evaluate the effect of different pecking depth on the stress generated by the screw-in forces of a rotating endodontic file in simulated canals. METHODS: Twenty simulated resin blocks with a J-shaped curvature were used. Twenty OneG files (MicroMega, Besançon, France) were assigned for a screw-in test depending on the pecking depth in 2 groups (n = 10). The files were operated at 300 rpm, and the up and down speed was controlled at 1 mm/s stroke velocity and a 10-millisecond dwell time using a customized device...
July 15, 2017: Journal of Endodontics
https://www.readbyqxmd.com/read/28718229/comparison-of-pre-operative-curvature-with-postoperative-curvature-in-root-canals-treated-with-k-3-rotary-systems
#4
Sana Ehsen Nagi, Farhan Raza Khan
BACKGROUND: With root canal treatment, the organic debris and micro-organisms from pulp space is removed and an ideal canal preparation is achieved that is conducive of hermetic obturation. The purpose of this study was to correlate the pre-operative canal curvature with the postoperative curvature in human extracted teeth prepared with K-3 rotary systems. METHODS: The root canal preparation was carried out on extracted human molars and premolars using K-3 endodontic rotary files...
April 2017: Journal of Ayub Medical College, Abbottabad: JAMC
https://www.readbyqxmd.com/read/28717632/effect-of-different-intracoronal-bleaching-methods-on-shear-bond-strength-of-ceramic-brackets-bonded-to-bleached-enamel-an-in-vitro-study
#5
Vikas Chauhan, Piush Kumar, Payal Sharma, Divya Shetty
OBJECTIVE: To investigate the effect of different intracoronal bleaching methods on the shear bond strength and site of failure of ceramic brackets. MATERIALS AND METHODS: Sixty freshly extracted human maxillary incisors were randomly divided into four groups (n = 15). Endodontic access cavity was prepared and root canals were filled, root fillings were removed 2mm apical to the cementoenamel junction, and a 2-mmthick layer of glass ionomer cement base was applied...
July 2017: Journal of Orthodontic Science
https://www.readbyqxmd.com/read/28716215/clinical-and-radiographic-assessment-of-the-efficacy-of-a-collagen-membrane-in-regenerative-endodontics-a-randomized-controlled-clinical%C3%A2-trial
#6
Xijun Jiang, He Liu, Chufang Peng
INTRODUCTION: Recent reviews confirm a general lack of randomized, controlled clinical studies on the efficacy of regenerative endodontics in immature teeth affected by pulp and periapical diseases. Moreover, we have no evidence of the curative efficacy of collagen membranes used as scaffolds in regenerative endodontics. Here, we evaluated whether a Bio-Gide collagen membrane (Geistlich Pharma AG, Wolhusen, Switzerland) has efficacy in promoting dentin formation in regenerative endodontics...
July 14, 2017: Journal of Endodontics
https://www.readbyqxmd.com/read/28713425/periapical-status-and-quality-of-root-canal-fillings-in-a-moroccan-subpopulation
#7
Hafsa El Merini, Hind Amarir, Amine Lamzawaq, Mouna Hamza
AIM: The aim of the study was to assess the prevalence of apical periodontitis (AP) and quality of root canal fillings in an adult Moroccan subpopulation. METHODS: In the study 508 patients were included, attending the Conservative Dentistry Clinic at the Faculty of Dentistry of Casablanca. 508 panoramic and 709 periapical radiographs were observed. The periapical status of all teeth (with the exception of third molars) was examined according to Ørstavik's periapical index...
2017: International Journal of Dentistry
https://www.readbyqxmd.com/read/28713114/retrospective-assessment-of-healing-outcome-of-endodontic-treatment-for-mandibular-molars-with-c-shaped-root-canal
#8
Anika Bansal, Anuj Singh Parihar, Achla Sethi, Kishore Kumar Majety, Jaina Panjabi, Basanta Kumar Choudhury
INTRODUCTION: A thorough knowledge of the anatomic morphology of the root canal system is necessary for the long-term success of the root canal therapy. The occurrence of C-shaped root canal configuration is one such variation. Achievement of favorable prognosis after commencing root canal therapy in such teeth is one of the challenges imposed on the endodontist. Hence, we evaluated the healing occurring after endodontic therapy in patients with C-shaped root canals in mandibular molars...
July 1, 2017: Journal of Contemporary Dental Practice
https://www.readbyqxmd.com/read/28712894/antimicrobial-and-immunomodulatory-activity-of-host-defense-peptides-clavanins-and-ll-37-in-vitro-an-endodontic-perspective
#9
Stella Maris F Lima, Mirna S Freire, Ana Luisa O Gomes, Ana Paula C Cantuária, Flávia Rodrigues P Dutra, Beatriz S Magalhães, Maurício Gonçalves C Sousa, Ludovico Migliolo, Jeeser A Almeida, Octávio L Franco, Taia Maria B Rezende
Endodontic treatment is mainly based on root canal disinfection and its failure may be motivated by microbial resistance. Endodontic therapy can be benefitted by host defense peptides (HDPs), which are multifunctional molecules that act against persistent infection and inflammation. This study aimed to evaluate the antimicrobial, cytotoxic and immunomodulatory activity of several HDPs, namely clavanin A, clavanin A modified (MO) and LL-37, compared to intracanal medication Ca(OH)2. HDPs and Ca(OH)2 were evaluated by: (1) antimicrobial assays against Candida albicans and Enterococcus faecalis, (2) cytotoxicity assays and (3) cytokine tumor necrosis factor (TNF)-α, monocyte chemoattractant protein (MCP)-1, interleukin (IL)- 1α, IL-6, IL-10 and IL-12 and nitric oxide (NO) production by RAW 264...
July 13, 2017: Peptides
https://www.readbyqxmd.com/read/28712637/treatment-options-for-failing-regenerative-endodontic-procedures-report-of-3-cases
#10
Antonis Chaniotis
INTRODUCTION: Regenerative treatments in necrotic immature teeth are suggested as alternatives to conventional multiple or single-step apexification procedures. Although case reports and case series provide promising results, the treatment protocol is not yet fully established and regenerative procedure might fail. Once failure is encountered, the apexification treatment options still remain. METHODS: Repetition of the regenerative procedure after initial revitalization failure has not been suggested yet...
July 13, 2017: Journal of Endodontics
https://www.readbyqxmd.com/read/28712633/association-of-end-stage-renal-disease-with-radiographically-and-clinically-diagnosed-apical-periodontitis-a-hospital-based-study
#11
Navid Khalighinejad, Anita Aminoshariae, James C Kulild, Khalid Sahly, Andre Mickel
INTRODUCTION: The present study aimed to evaluate the prevalence of apical periodontitis (AP) and endodontic treatment in patients with end-stage renal disease (ESRD) as compared with patients with no history of ESRD. METHODS: In this cross-sectional study, 40 patients diagnosed with nondiabetic ESRD were included. The control group consisted of 40 age-matched and sex-matched healthy individuals. Digital panoramic radiographs were exposed on patients in both the experimental and control groups...
July 13, 2017: Journal of Endodontics
https://www.readbyqxmd.com/read/28706790/a-rare-case-of-three-single-rooted-permanent-second-molars-a-diagnosis-with-cone-beam-computed-tomography-cbct
#12
Monika Koul, Mrinalini Shahi, Ahsan Abdullah, Vinod Upadhyay
The aim of this article is to present a case with an unusual morphology of maxillary second molars on both sides and a mandibular second molar on right side in the same patient which was observed during routine endodontic procedure. Three second permanent molars had single root, single canal and an accurate assessment of this unusual morphology was made with the help of radiographs and cone beam computed tomography (CBCT). This report extends the range of known possible anatomical variations to include teeth with lesser number of roots and canals...
May 2017: Journal of Oral Biology and Craniofacial Research
https://www.readbyqxmd.com/read/28706760/bactericidal-effect-of-different-anti-microbial-agents-on-fusobacterium-nucleatum-biofilm
#13
Rupa Ashok, Arathi Ganesh, Kandaswamy Deivanayagam
INTRODUCTION: The root canal anatomy of the teeth is very complex. Complete debridement of the root canals is a challenge and is very important for the success of the root canal treatment. Hence, this study was done to find an effective irrigant which can be used during root canal treatment. OBJECTIVE: The bactericidal effect of a potential root canal irrigant was compared with two commonly used root canal irrigants against monoculture biofilm of a commercially available isolate of Fusobacterium nucleatum...
June 11, 2017: Curēus
https://www.readbyqxmd.com/read/28694714/sensitivity-specificity-predictive-values-and-accuracy-of-three-diagnostic-tests-to-predict-inferior-alveolar-nerve-blockade-failure-in-symptomatic-irreversible-pulpitis
#14
Daniel Chavarría-Bolaños, Laura Rodríguez-Wong, Danny Noguera-González, Vicente Esparza-Villalpando, Mauricio Montero-Aguilar, Amaury Pozos-Guillén
INTRODUCTION: The inferior alveolar nerve block (IANB) is the most common anesthetic technique used on mandibular teeth during root canal treatment. Its success in the presence of preoperative inflammation is still controversial. The aim of this study was to evaluate the sensitivity, specificity, predictive values, and accuracy of three diagnostic tests used to predict IANB failure in symptomatic irreversible pulpitis (SIP). METHODOLOGY: A cross-sectional study was carried out on the mandibular molars of 53 patients with SIP...
2017: Pain Research & Management: the Journal of the Canadian Pain Society
https://www.readbyqxmd.com/read/28689702/influence-of-cone-beam-computed-tomography-on-endodontic-retreatment-strategies-among-general-dental-practitioners-and-endodontists
#15
Gustavo Rodríguez, Shanon Patel, Fernando Durán-Sindreu, Miguel Roig, Francesc Abella
INTRODUCTION: Treatment options for endodontic failure include nonsurgical or surgical endodontic retreatment, intentional replantation, and extraction with or without replacement of the tooth. The aim of the present study was to determine the impact of cone-beam computed tomographic (CBCT) imaging on clinical decision making among general dental practitioners and endodontists after failed root canal treatment. A second objective was to assess the self-reported level of difficulty in making a treatment choice before and after viewing a preoperative CBCT scan...
July 7, 2017: Journal of Endodontics
https://www.readbyqxmd.com/read/28688184/root-surface-temperature-variation-during-mechanical-removal-of-root-canal-filling-material-an-in-vitro-study
#16
Martín García-Cuerva, Lucía Horvath, Laura Pinasco, Verónica Ciparelli, Ariel Gualtieri, Ana C Casadoumecq, Pablo Rodríguez, Carlos Gonzalez-Zanotto
The aim of this study was to analyze in vitro temperature changes on the outer surface of the dental root during mechanical filling removal procedures. Thirty recently extracted single-rooted lower premolars were cut transversally at 16 mm from the apex in order to standardize sample length. Endodontic treatment was performed on them. The filling material was subsequently removed using Gates Glidden (G1, G2, G3); Peeso (P1, P2, P3) and PostecPlus FRC (FRC) reamers while temperatures were measured on the outer surface using a digital device with thermocouple at 0, 2, 4, 6, 8, 10 and 15 seconds...
April 2017: Acta Odontológica Latinoamericana: AOL
https://www.readbyqxmd.com/read/28681488/endodontic-treatment-of-dens-evaginatus-by-performing-a-splint-guided-access-cavity
#17
Jesús Mena-Álvarez, Cristina Rico-Romano, Ana Belén Lobo-Galindo, Álvaro Zubizarreta-Macho
AIM: Dens evaginatus (DE) is described as an unusual dental malformation. Tooth structure variations attached to this anatomical disturbance complicates the performance of a conservative access cavity for a conventional root canal treatment. Author's purpose is to describe the treatment of a type V DE by using splits as guides to perform access cavity. CLINICAL CONSIDERATIONS: This clinical case shows a root canal treatment of a type V DE diagnosed by using a cone beam computed tomography (CBCT)...
July 6, 2017: Journal of Esthetic and Restorative Dentistry
https://www.readbyqxmd.com/read/28678946/investigations-of-the-prevalence-and-virulence-of-candida-albicans-in-periodontal-and-endodontic-lesions-in-diabetic-and-normoglycemic-patients
#18
Cinthya Cristina Gomes, Ludmila Silva Guimarães, Larissa Christina Costa Pinto, Gabriela Alessandra da Cruz Galhardo Camargo, Maria Isabel Bastos Valente, Maria Inêz de Moura Sarquis
Objective: The aim of this study was to investigate the prevalence of isolated Candida albicans from periodontal endodontic lesions in diabetic and normoglycemic patients, and the fungi's virulence in different atmospheric conditions. Material and Methods: A case-control study was conducted on 15 patients with type 2 diabetes mellitus (G1) and 15 non-diabetics (G2) with periodontal endodontic lesions. Samples of root canals and periodontal pockets were plated on CHROMagar for later identification by polymerase chain reaction (PCR) and virulence test...
May 2017: Journal of Applied Oral Science: Revista FOB
https://www.readbyqxmd.com/read/28675005/-difficulties-and-misunderstandings-of-root-canal-filling
#19
Zhang Chen
Root canal filling is performed as the final and most important procedure of root canal treatment. The superior 3D filling is the key determinant of endodontic success. However, such procedure remains a challenge because of the complexity of the root canal system and the limitation of root canal filling materials and methods. This paper provides an overview of current principles and practices in root canal filling, focusing on advantages, disadvantages and indications. The process errors and countermeasures in various root canal filling methods are also discussed...
June 1, 2017: Hua Xi Kou Qiang Yi Xue za Zhi, Huaxi Kouqiang Yixue Zazhi, West China Journal of Stomatology
https://www.readbyqxmd.com/read/28674723/preference-and-usage-of-intracanal-medications-during-endodontic-treatment
#20
Ahmad A Madarati, Muhammad S Zafar, Aya M N Sammani, Ayman O Mandorah, Hamzah A Bani-Younes
OBJECTIVES: To investigate the preferences of general dental practitioners (GDPs) and endodontists in using endodontic intra-canal medications (ICMs). METHODS: This observational and descriptive study was conducted in 2014 in the western province of Saudi Arabia. Following ethical clearance and 2 pilot studies, a web-based questionnaire was electronically sent to 375 randomly and systematically selected GDPs and all endodontists in the western province (n=49). An accompanying e-mail explained the study's aims and confirmed that the data yielded would remain confidential...
July 2017: Saudi Medical Journal
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