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https://www.readbyqxmd.com/read/28218959/survival-and-periapical-health-after-root-canal-treatment-with-carrier-based-root-fillings-5-year-retrospective-assessment
#1
C Pirani, S Friedman, M R Gatto, F Iacono, V Tinarelli, M G Gandolfi, C Prati
AIM: This retrospective study explored survival and periapical healing outcomes in root filled teeth with Thermafil obturators. METHODOLOGY: Root canals of 213 teeth (94 subjects, mean age 48±13 years), instrumented with a step-down technique, irrigated with 5% NaOCl and 10% EDTA and filled with Thermafil and AH-Plus sealer, were involved in a Recall programme. Teeth were retrospectively reexamined after 5±1 years in a controlled environment. Clinical and radiographic data that were collected included: preoperative Periapical Index (PAI) score and signs/symptoms, treatment type, root filling length and presence/absence of voids, restoration type, follow-up PAI score and signs/symptoms...
February 20, 2017: International Endodontic Journal
https://www.readbyqxmd.com/read/28216273/detection-of-fractured-endodontic-instruments-in-root-canals-comparison-between-different-digital-radiography-systems-and-cone-beam-computed-tomography
#2
Ana Caroline Ramos Brito, Francielle Silvestre Verner, Rafael Binato Junqueira, Mayra Cristina Yamasaki, Polyane Mazucato Queiroz, Deborah Queiroz Freitas, Christiano Oliveira-Santos
INTRODUCTION: This study compared the detection of fractured instruments in root canals with and without filling by periapical radiographs from 3 digital systems and cone-beam computed tomographic (CBCT) images with different resolutions. METHODS: Thirty-one human molars (80 canals) were used. Root canals were divided into the following groups: the control group, without fillings; the fracture group, without fillings and with fractured files; the fill group, filled; and the fill/fracture group, filled and with fractured files...
February 16, 2017: Journal of Endodontics
https://www.readbyqxmd.com/read/28216272/comparison-of-cyclic-fatigue-resistance-of-waveone-and-waveone-gold-small-primary-and-large-instruments
#3
Mehmet Adıgüzel, Ismail Davut Capar
INTRODUCTION: To compare the cyclic fatigue of resistance of WaveOne (WO; Dentsply Maillefer, Ballaigues, Switzerland) and WaveOne Gold (WOG, Dentsply Maillefer) small, primary, and large instruments in simulated root canals. Each instrument was rotated until fracture occurred. METHODS: One hundred twenty nickel-titanium endodontic instruments were tested in two different curved artificial canals with different angles and radii of curvatures. WO and WOG small, primary, and large instruments were evaluated (n = 10 for each curvature)...
February 16, 2017: Journal of Endodontics
https://www.readbyqxmd.com/read/28216270/are-premixed-calcium-silicate-based-endodontic-sealers-comparable-to-conventional-materials-a-systematic-review-of-in%C3%A2-vitro-studies
#4
REVIEW
Luiza Helena Silva Almeida, Rafael Ratto Moraes, Renata Dornelles Morgental, Fernanda Geraldo Pappen
INTRODUCTION: This study aimed to compare the physicochemical and biological properties of premixed calcium silicate-based endodontic sealers with other conventional root canal filling materials by systematically reviewing laboratory studies. METHODS: The search was conducted in 3 databases (Medline via PubMed, Scopus, and Web of Science) following the Preferred Reporting Items for Systematic Reviews and Meta-Analyses. Two reviewers independently selected the studies and extracted the data...
February 16, 2017: Journal of Endodontics
https://www.readbyqxmd.com/read/28216269/antibacterial-effects-of-antimicrobials-used-in-regenerative-endodontics-against-biofilm-bacteria-obtained-from-mature-and-immature-teeth-with-necrotic-pulps
#5
Jordon C Jacobs, Alex Troxel, Ygal Ehrlich, Kenneth Spolnik, Josef S Bringas, Richard L Gregory, Ghaeth H Yassen
INTRODUCTION: We investigated the direct and residual antibacterial effects of intracanal antimicrobials against bacterial biofilms obtained from infected mature and immature teeth with necrotic pulps. METHODS: Sterile dentin slabs (n = 100) were inoculated with bacterial biofilms obtained from root canals of an immature or a mature tooth with pulpal necrosis and incubated anaerobically for 3 weeks (n = 50 per biofilm). Dentin infected with each type of biofilm received 1 week of treatment with 1 or 5 mg/mL double antibiotic paste (DAP) in methylcellulose hydrogels, calcium hydroxide, or placebo paste or received no treatment (n = 10)...
February 16, 2017: Journal of Endodontics
https://www.readbyqxmd.com/read/28216267/dentinal-tubule-penetration-of-a-calcium-silicate-based-root-canal-sealer-with-different-obturation-methods
#6
Ji Wook Jeong, Anna DeGraft-Johnson, Samuel O Dorn, Peter M Di Fiore
INTRODUCTION: The purpose of this study was to investigate the depths of penetration of a calcium silicate-based sealer in dentinal tubules by using 3 different obturation methods. METHODS: One hundred extracted human permanent anterior teeth were endodontically prepared and divided equally into 3 experimental groups and 1 control group as follows: CPoint single cone (CPSC), gutta-percha single cone (GPSC), gutta-percha vertical condensation (GPVC), all with a calcium silicate-based sealer and calcium indicator Fluo-3, and CPoint single cone with a calcium indicator Fluo-3 (CPF3) without sealer as the control...
February 16, 2017: Journal of Endodontics
https://www.readbyqxmd.com/read/28214018/assessment-of-root-canal-filling-removal-effectiveness-using-micro-computed-tomography-a-systematic-review
#7
REVIEW
Giampiero Rossi-Fedele, Hany Mohamed Aly Ahmed
INTRODUCTION: The removal of obturation materials from the root canal system is a primary objective in root canal retreatment procedures. This systematic review aims to discuss the effectiveness of different instrumentation procedures in removing root-canal filling materials assessed by micro-computed tomography. METHODS: An electronic search in PubMed and major endodontic journals was conducted using appropriate key words to identify investigations that examined the effectiveness of obturation material removal assessed by micro-computed tomography...
February 14, 2017: Journal of Endodontics
https://www.readbyqxmd.com/read/28210445/evaluation-of-conventional-protaper-hand-and-protaper-rotary-instrumentation-system-for-apical-extrusion-of-debris-irrigants-and-bacteria-an-in-vitro-randomized-trial
#8
Pinky Kalra, Arathi Rao, Ethel Suman, Ramya Shenoy, Baranya-Shrikrishna Suprabha
BACKGROUND: Endodontic instrumentation carries the risk of over extrusion of debris and bacteria. The technique used and the type of instrumentation influences this risk. AIM: The purpose of this study was to evaluate and compare the K-file, ProTaper hand and ProTaper rotary instrumentation systems for the amount of apically extruded debris, irrigant solution and intracanal bacteria. DESIGN: Experimental single blinded randomized type of in vitro study with sample of 30 single rooted teeth...
February 2017: Journal of Clinical and Experimental Dentistry
https://www.readbyqxmd.com/read/28210439/effect-of-endoactivator-and-er-cr-ysgg-laser-activation-of-qmix-as-final-endodontic-irrigant-on-sealer-penetration-a-confocal-microscopic-study
#9
Sarika Chaudhry, Sudha Yadav, Sangeeta Talwar, Mahesh Verma
BACKGROUND: Through chemomechanical debridement of the root canal is a primary requisite for successful endodontic therapy. Thus the aim of this study was to evaluate the effects of using QmiX alone, QmiX with EndoActivator and QmiX with Er,Cr:YSGG laser for final irrigation on sealer penetration into the dentinal tubules. MATERIAL AND METHODS: 75 extracted human mandibular premolar teeth were treated with sodium hypochlorite (NaOCl) irrigation. The samples were divided into 5 groups according to the final irrigation solution used: (1) 17% EDTA and 2...
February 2017: Journal of Clinical and Experimental Dentistry
https://www.readbyqxmd.com/read/28198970/is-the-bonding-of-self-adhesive-cement-sensitive-to-root-region-and-curing-mode
#10
Thaynara Faelly Boing, Giovana Mongruel Gomes, João Carlos Gomes, Alessandra Reis, Osnara Maria Mongruel Gomes
Objectives: To evaluate the influence of two curing techniques on the degree of conversion (DC) of resin cements and on bond strength (BS) of fiber posts in different regions of root dentin. Material and Methods: Twenty single-rooted premolars were endodontically treated, and the post spaces were prepared. The roots were randomly divided into two groups (n=10), according to the activation mode of the resin cement RelyX™ U200 (3M ESPE Saint Paul, MN, USA): conventional (continuous activation mode) and soft-start activation mode (Ramp)...
January 2017: Journal of Applied Oral Science: Revista FOB
https://www.readbyqxmd.com/read/28196330/decellularized-human-dental-pulp-as-a-scaffold-for-regenerative-endodontics
#11
J S Song, K Takimoto, M Jeon, J Vadakekalam, N B Ruparel, A Diogenes
Teeth undergo postnatal organogenesis relatively late in life and only complete full maturation a few years after the crown first erupts in the oral cavity. At this stage, development can be arrested if the tooth organ is damaged by either trauma or caries. Regenerative endodontic procedures (REPs) are a treatment alternative to conventional root canal treatment for immature teeth. These procedures rely on the transfer of apically positioned stem cells, including stem cells of the apical papilla (SCAP), into the root canal system...
February 1, 2017: Journal of Dental Research
https://www.readbyqxmd.com/read/28194366/maxillary-first-molar-with-7-root-canals-diagnosed-using-cone-beam-computed-tomography
#12
Evaldo Rodrigues, Antônio Henrique Braitt, Bruno Ferraz Galvão, Emmanuel João Nogueira Leal da Silva
Root canal anatomy is complex, and the recognition of anatomic variations could be a challenge for clinicians. This case report describes the importance of cone beam computed tomographyic (CBCT) imaging during endodontic treatment. A 23 year old woman was referred by her general dental practitioner with the chief complaint of spontaneous pain in her right posterior maxilla. From the clinical and radiographic findings, a diagnosis of symptomatic irreversible pulpitis was made and endodontic treatment was suggested to the patient...
February 2017: Restorative Dentistry & Endodontics
https://www.readbyqxmd.com/read/28194360/retreatability-of-two-endodontic-sealers-endosequence-bc-sealer-and-ah-plus-a-micro-computed-tomographic-comparison
#13
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 AND METHODS: Fifty-six extracted human maxillary incisors were instrumented and randomly divided into 4 groups of 14 teeth: 1A, gutta-percha, AH Plus retreated with chloroform; 1B, gutta-percha, AH Plus retreated without chloroform; 2A, gutta-percha, EndoSequence BC Sealer retreated with chloroform; 2B, gutta-percha, EndoSequence BC Sealer retreated without chloroform...
February 2017: Restorative Dentistry & Endodontics
https://www.readbyqxmd.com/read/28186464/evaluation-of-antimicrobial-photodynamic-therapy-using-indocyanine-green-and-near-infrared-diode-laser-against-enterococcus-faecalis-in-infected-human-root-canals
#14
Charis Beltes, Nikolaos Economides, Hercules Sakkas, Chrissanthy Papadopoulou, Theodoros Lambrianidis
OBJECTIVE: Photodynamic therapy (PDT) is considered a promising adjunct to the currently available endodontic disinfection techniques leading to more effective reduction of intracanal bacteria. The present ex vivo study aimed to assess the antimicrobial effect of PDT using indocyanine green (ICG) as photosensitizer and a near-infrared (NIR) diode laser in root canals of human teeth infected with Enterococcus faecalis. MATERIALS AND METHODS: Ninety single-rooted teeth after chemomechanical preparation and sterilization were contaminated with an E...
February 9, 2017: Photomedicine and Laser Surgery
https://www.readbyqxmd.com/read/28185089/effectiveness-of-repeated-photodynamic-therapy-in-the-elimination-of-intracanal-enterococcus-faecalis-biofilm-an-in-vitro-study
#15
Ewa Joanna Prażmo, Renata Alicja Godlewska, Agnieszka Beata Mielczarek
The study aimed to investigate the effectiveness of photodynamic therapy in the elimination of intracanal Enterococcus faecalis biofilm and to analyse how a repeated light irradiation, replenishment of oxygen and photosensitiser affect the results of the photodynamic disinfecting protocol. After chemomechanical preparation, 46 single-rooted human teeth were infected with a clinical strain of E. faecalis and incubated for a week in microaerobic conditions. The experimental procedures included groups of single application of photodynamic therapy, two cycles of PDT, irrigation with 5...
February 10, 2017: Lasers in Medical Science
https://www.readbyqxmd.com/read/28184073/endodontics-no-rubber-dam-no-root-canal
#16
J Webber
No abstract text is available yet for this article.
February 10, 2017: British Dental Journal
https://www.readbyqxmd.com/read/28182065/comparative-evaluation-of-canal-cleaning-ability-of-various-rotary-endodontic-filesin-apical-third-a-scanning-electron-microscopic-study
#17
Ganesh Ranganath Jadhav, Priya Mittal, Anish Kulkarni, Shibli Syed, Ravikiran Bagul, Saina Elahi, Dheeraj Kalra
BACKGROUND: The purpose of this study was to evaluate the canal cleaning ability of three novel endodontic rotary instruments and compare with ProTaper files as a control in apical third of root canals under scanning electron microscopy (SEM). MATERIALS AND METHODS: Eighty freshly extracted mandibular premolars were selected according to inclusion criteria. Buccal cusp tips were ground to ensure having a flat coronal reference point with a total tooth length of 16 mm for all samples...
November 2016: Dental Research Journal
https://www.readbyqxmd.com/read/28179939/autogenous-transplantation-for-replacing-a-hopeless-tooth
#18
Mehrsa Zakershahrak, Amirabbas Moshari, Mehdi Vatanpour, Zohreh Khalilak, Afsoon Jalali Ara
Autogenous tooth transplantation (ATT) is a simple and reasonable choice for replacing the missing teeth when a proper donor tooth is available. This report presents a case of successful ATT of a maxillary right third molar for replacement of mandibular right second molar with a concomitant endodontic-periodontal disease. The mandibular second molar was believed to be hopeless due to a severe damage to coronal tooth structure, inappropriate root canal treatment and apical radiolucency. After extraction of mandibular second molar and maxillary third molar (the donor), the tooth was re-implanted into the extracted socket of second molar site...
2017: Iranian Endodontic Journal
https://www.readbyqxmd.com/read/28179938/endodontic-management-of-an-infected-primary-molar-in-a-child-with-agenesis-of-the-permanent-premolar
#19
Saeed Asgary, Mahta Fazlyab
Missing of mandibular second premolar is one of the most common types of tooth agenesis. In such cases, maintenance of the primary second molar, if possible at all, can prevent many treatment procedures in future. The present case report represents the endodontic management of a necrotic left mandibular primary second molar that had developed an abscess. Considering the missing of the permanent successor, the tooth was disinfected during endodontic preparation and the root canal system was filled with calcium-enriched mixture (CEM) cement in the same session...
2017: Iranian Endodontic Journal
https://www.readbyqxmd.com/read/28179937/nonsurgical-management-of-an-extensive-endodontic-periapical-lesion-a-case-report
#20
Amirabbas Moshari, Mehdi Vatanpour, Ehsan EsnaAshari, Mehrsa Zakershahrak, Afsoon Jalali Ara
Long-term success of endodontic treatment is dependent on adequate and appropriate cleaning and shaping of the root canal along with proper and correct obturation of the entire prepared space. This article aims to report an exceptional non-surgical and orthograde endodontic treatment of maxillary right central incisor with an extensive radiolucent lesion in a 17-year-old male. Six and 20-month follow-ups showed significant changes, including bone formation and periapical healing within the lesion. The patient was asymptomatic...
2017: Iranian Endodontic Journal
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