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https://www.readbyqxmd.com/read/29326505/influence-of-intracanal-irrigants-on-coronal-fracture-resistance-of-endodontically-treated-and-bleached-teeth-an-in-vitro-study
#1
Maryam Khoroushi, Fatemeh Tavakol, Farinaz Shirban, Sanaz Ziaei
Background: Irrigation has a key role in the success of endodontic treatment. Intracanal irrigant solutions have adverse effects on the physical properties of dentin. Aim: The present study aimed to evaluate the effect of different irrigation protocols on coronal fracture resistance of endodontically treated teeth undergoing bleaching treatment. Design and Materials and Methods: Access cavities were prepared in 120 maxillary premolars which were divided into two groups (n = 60) - Group A: nonbleached, Group B: bleached (B)...
October 2017: Contemporary Clinical Dentistry
https://www.readbyqxmd.com/read/29310877/effects-of-different-peracetic-acid-formulations-on-post-space-radicular-dentin
#2
Lauriê Garcia Belizário, Milton Carlos Kuga, Gabriela Mariana Castro-Núñez, Wilfredo Gustavo Escalante-Otárola, Marcus Vinicius Reis Só, Jefferson Ricardo Pereira
STATEMENT OF PROBLEM: The optimal irrigating solution with antimicrobial and dentin cleansing properties for post space preparation for fiber posts is unclear. Peracetic acid is one option but is available in various chemical formulations that require evaluation. PURPOSE: The purpose of this in vitro study was to evaluate dentin surface cleanliness based on the presence of a smear layer and the number of open dentin tubules. It also investigates the chemical composition of residues after canal irrigation with a 1% peracetic acid solution (PA) at low or high concentration of hydrogen peroxide during the preparation of intracanal fiber posts...
January 5, 2018: Journal of Prosthetic Dentistry
https://www.readbyqxmd.com/read/29306536/orthodontic-movement-after-regenerative-endodontic-procedure-case-report-and-long-term-observations
#3
Antonis Chaniotis
INTRODUCTION: Although regenerative treatment approaches in teeth with incomplete root formation and pulp necrosis have become part of the suggested therapeutic endodontic spectrum, little is known about the effect of orthodontic movement in the tissue that has been regenerated. Furthermore, as the number of adults undergoing orthodontic treatment increases, there is an increasing need to investigate the changes that these tissues may undergo during orthodontic movement. Here we describe the alterations observed after the application of orthodontic forces in a case of an apically root-fractured necrotic immature root that had been managed with regenerative endodontic procedures in the past...
January 3, 2018: Journal of Endodontics
https://www.readbyqxmd.com/read/29285081/relevance-of-the-clustered-regularly-interspaced-short-palindromic-repeats-of-enterococcus-faecalis-strains-isolated-from-retreatment-root-canals-on-periapical-lesions-resistance-to-irrigants-and-biofilms
#4
Zhongchun Tong, Yu Du, Junqi Ling, Lijia Huang, Jinglei Ma
A high prevalence of Enterococcus faecalis (E. faecalis) is observed in teeth with root canal treatment failures. Clustered regularly interspaced short palindromic repeats (CRISPR) are widely distributed in prokaryotes that have adaptive immune systems against mobile elements, including pathogenic genes. The present study investigated the relevance of the CRISPR in E. faecalis strains isolated from retreated root canals on biofilms, periapical lesions and drug resistance. A total of 20 E. faecalis strains were extracted from the root canals of teeth referred for root canal retreatment...
December 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/29279664/evaluation-of-intracanal-acetazolamide-in-late-reimplanted-rat-teeth
#5
Camila Paiva Perin, Vula Papalexiou, Aline Cristina Batista Rodrigues Johann, Natanael Henrique Ribeiro Mattos, Fernando Henrique Westphalen, Vânia Portela Ditzel Westphalen
Objective: The aim of this study was to evaluate the use of acetazolamide combined with different agents as intracanal medication in late reimplanted rat teeth. Materials and Methods: In 100 Wistar rats, divided into 5 groups of 20, one of the following medications was used: Acetazolamide liquid (AL); AL with calcium hydroxide powder (ALHC); acetazolamide powder with AL; acetazolamide powder with physiological solution; and calcium hydroxide with physiological solution (control)...
October 2017: European Journal of Dentistry
https://www.readbyqxmd.com/read/29229459/regenerative-endodontic-procedures-among-endodontists-a-web-based-survey
#6
Jonathan Y Lee, Daniel D Kersten, Pete Mines, Thomas A Beltran
INTRODUCTION: The protocols that endodontists implement for regenerative endodontic procedures (REPs) are unknown. The aim of this study was to examine current REP protocols among practicing endodontists in the United States. METHODS: A Web-based survey was sent to 4060 active members of the American Association of Endodontists (AAE). A total of 850 participants completed the survey, representing a 20.9% response rate. RESULTS: Responses indicated 60% reported having performed REPs; most performed 1 to 3 per year...
December 8, 2017: Journal of Endodontics
https://www.readbyqxmd.com/read/29229073/disinfection-of-dentinal-tubules-with-2-chlorhexidine-gel-calcium-hydroxide-and-herbal-intracanal-medicaments-against-enterococcus-faecalis-an-in-vitro-study
#7
Agrima Vasudeva, Dakshita Joy Sinha, Shashi Prabha Tyagi, Narendra Nath Singh, Paridhi Garg, Deepti Upadhyay
AIM: This in vitro study was conducted to evaluate the disinfection of dentinal tubules using 2% Chlorhexidine gel, Honey, Aloe vera gel, Curcuma longa, Propolis gel and Calcium hydroxide against Enterococcus faecalis. MATERIALS AND METHOD: Two hundred and ten human mandibular first premolars were infected with Enterococcus faecalis for 21 days. Samples were divided into 7 groups. Group I- Saline (negative control), Group II- 2% Chlorhexidine gel(CHX), Group III- honey, Group IV- Aloe vera gel, Group V- 20% Curcuma longa gel, Group VI- Propolis gel and Group VII -Calcium hydroxide (CH)...
December 2017: Singapore Dental Journal
https://www.readbyqxmd.com/read/29225655/non-surgical-endodontic-management-of-type-ii-dens-invaginatus-with-closed-and-open-apex
#8
Hugo Plascencia, Mariana Díaz, Bertram Ivan Moldauer, Mario Uribe, Eddy Skidmore
Dens invaginatus (DI) is a developmental anomaly that poses a significant challenge to the clinician if endodontic treatment is required. The type II (as per Oehlers) form exhibits complex internal anatomy and is frequently associated with incomplete root and apex formation. The purpose of this study is to present two cases of type II DI in the maxillary lateral incisors. In the first case, non-surgical endodontic therapy was performed utilizing calcium hydroxide as an intracanal dressing, showing significant periapical healing of the apical radiolucent area at the six month follow-up...
2017: Iranian Endodontic Journal
https://www.readbyqxmd.com/read/29225639/the-effect-of-bc-sealer-ah-plus-and-dorifill-on-push-out-bond-strength-of-fiber-post
#9
Fatemeh Dibaji, Elahe Mohammadi, Farzaneh Farid, Fatemeh Mohammadian, Pegah Sarraf, Mohammad Javad Kharrazifard
Introduction: Dentinal canal walls are in direct contact with endodontic sealers prior to post space preparation and luting cements after post space preparation. This direct contact may affect the bond strength of intraradicular posts to root dentin. This study aimed to assess the effect of three different sealers on the bond strength of fiber posts to root dentin. Methods and Materials: The canals of 56 extracted single-rooted human premolars after selection and decoronation were prepared...
2017: Iranian Endodontic Journal
https://www.readbyqxmd.com/read/29225634/efficiency-of-different-endodontic-irrigation-and-activation-systems-in-removal-of-the-smear-layer-a-scanning-electron-microscopy-study
#10
Priyatam Karade, Rutuja Chopade, Suvarna Patil, Upendra Hoshing, Madhukar Rao, Neha Rane, Aditi Chopade, Anish Kulkarni
Introduction: This in vitro study was designed to evaluate and compare different endodontic irrigation and activation systems for removal of the intracanal smear layer. Methods and Materials: Forty recently extracted, non-carious human intact single rooted premolars were selected and divided into five groups (n=10) according to the root canal irrigation systems; syringe and needle irrigation (CTR), sonic irrigation, passive ultrasonic irrigation (PUI) and EndoVac irrigation system...
2017: Iranian Endodontic Journal
https://www.readbyqxmd.com/read/29178166/efficacy-of-irrigant-activation-techniques-in-removing-intracanal-smear-layer-and-debris-from-mature-permanent-teeth-a-systematic-review-meta-analysis
#11
REVIEW
S S Virdee, D W Seymour, D Farnell, G Bhamra, S Bhakta
AIMS: To establish whether if Irrigant Activation Techniques (IAT) result in greater intracanal smear layer and debris removal than Conventional Needle Irrigation (CNI). METHODOLOGY: Six electronic databases were searched to identify scanning-electron-microscopy studies evaluating smear layer and/or debris removal following use of Manual Dynamic Activation (MDA), Passive Ultrasonic Irrigation (PUI), Sonic Irrigation (SI) or Apical Negative Pressure (ANP) IATs in mature permanent teeth...
November 25, 2017: International Endodontic Journal
https://www.readbyqxmd.com/read/29168274/antimicrobial-properties-of-calcium-hydroxide-dressing-when-used-for-long-term-application-a-systematic-review
#12
REVIEW
Garima Sharma, Hany Mohamed Aly Ahmed, Peter S Zilm, Giampiero Rossi-Fedele
This review aims to evaluate the antimicrobial efficacy of calcium hydroxide against endodontic pathogens when used for 7 days or longer. A systematic electronic literature search was performed in the PubMed, Embase and EBSCO Dentistry & Oral Sciences Source databases using appropriate key words to identify investigations written in the English language that examined the association between the contact time of intracanal calcium hydroxide dressing and its antimicrobial properties. There were no exclusions based on study design...
November 23, 2017: Australian Endodontic Journal: the Journal of the Australian Society of Endodontology Inc
https://www.readbyqxmd.com/read/29167687/effect-of-self-adhesive-and-separate-etch-adhesive-dual-cure-resin-cements-on-the-bond-strength-of-fiber-post-to-dentin-at-different-parts-of-the-root
#13
Ehsan Mohamadian Amiri, Fariba Balouch, Faezeh Atri
Objectives: Bonding of fiber posts to intracanal dentin is challenging in the clinical setting. This study aimed to compare the effect of self-adhesive and separate etch adhesive dual cure resin cements on the bond strength of fiber post to dentin at different parts of the root. Materials and Methods: This in-vitro experimental study was conducted on 20 single-rooted premolars. The teeth were decoronated at 1mm coronal to the cementoenamel junction (CEJ), and the roots underwent root canal treatment...
May 2017: Journal of Dentistry of Tehran University of Medical Sciences
https://www.readbyqxmd.com/read/29142880/comparison-of-apical-extrusion-of-intracanal-bacteria-by-various-glide-path-establishing-systems-an-in-vitro-study
#14
Alberto Dagna, Rashid El Abed, Sameeha Hussain, Ibrahim H Abu-Tahun, Livia Visai, Federico Bertoglio, Floriana Bosco, Riccardo Beltrami, Claudio Poggio, Hyeon-Cheol Kim
Objectives: This study compared the amount of apically extruded bacteria during the glide-path preparation by using multi-file and single-file glide-path establishing nickel-titanium (NiTi) rotary systems. Materials and Methods: Sixty mandibular first molar teeth were used to prepare the test apparatus. They were decoronated, blocked into glass vials, sterilized in ethylene oxide gas, infected with a pure culture of Enterococcus faecalis, randomly assigned to 5 experimental groups, and then prepared using manual stainless-steel files (group KF) and glide-path establishing NiTi rotary files (group PF with PathFiles, group GF with G-Files, group PG with ProGlider, and group OG with One G)...
November 2017: Restorative Dentistry & Endodontics
https://www.readbyqxmd.com/read/29116496/influence-of-a-calcium-hydroxide-based-intracanal-dressing-on-the-quality-of-the-root-canal-filling-assessed-by-capillary-flow-porometry
#15
Amir-Teymour Moinzadeh, Roeland J G De Moor, Mieke A A De Bruyne
OBJECTIVE: The objective of this study is to evaluate the influence of a calcium hydroxide intracanal dressing (CH) on the short- and long-term sealing ability of the root canal filling using capillary flow porometry (CFP). MATERIALS AND METHODS: To verify the repeatability of the method, five obturated specimens were submitted to CFP. Measurements were repeated three times and compared with the non-parametric Friedman test. Forty-five instrumented palatal roots were randomly divided into three groups...
November 7, 2017: Clinical Oral Investigations
https://www.readbyqxmd.com/read/29116494/clinical-and-microbiological-effectiveness-of-photodynamic-therapy-on-primary-endodontic-infections-a-6-month-randomized-clinical-trial
#16
Rachel Garcia de Miranda, Ana Paula Vieira Colombo
INTRODUCTION: This short-term randomized controlled trial evaluated the effectiveness of photodynamic therapy (PDT) on clinical success (periapical healing) and on the microbiota of primary endodontic infections. METHODS: Thirty-two patients presenting mandibular molars with apical periodontitis (one tooth/patient) were selected and randomly allocated into two therapeutic groups: control (chemo-mechanical debridement [CMD]; n = 16) and PDT (CMD + PDT; n = 16)...
November 7, 2017: Clinical Oral Investigations
https://www.readbyqxmd.com/read/29109749/push-out-bond-strength-of-different-intracanal-posts-in-the-anterior-primary-teeth-according-to-root-canal-filling-materials
#17
Nilgoon Pasdar, Bahman Seraj, Mostafa Fatemi, Shirin Taravati
Background: This study was carried out to evaluate the effect of root canal filling on the bond strength of three intracanal posts in the primary incisors. Materials and Methods: Sixty primary incisors were prepared and then divided into two groups (n = 30). The first group canals obturated with zinc oxide eugenol (ZOE) and Group 2 canals obturated with Metapex. Further, the two group categories were divided into three subgroups (n = 10): (1) short composite post (SCP), (2) glass fiber posts (GFPs) cemented with flowable composite, and (3) GFP with glass ionomer cement (GFP + GIC)...
September 2017: Dental Research Journal
https://www.readbyqxmd.com/read/29104387/evaluation-of-antimicrobial-efficacy-of-various-intracanal-medicaments-in-primary-teeth-an-in-vivo-study
#18
Brahmananda Dutta, Kanika S Dhull, Debasmita Das, P V Samir, Rajnish K Verma, Nipa Singh
Introduction: Bacteria and their products play a primary etiological role in the initiation and perpetuation of pulpoperiapical pathosis. Intracanal medication is important for endodontic success as it eliminates microorganisms that persist after chemomechanical preparation. Aim: To compare antimicrobial efficacy of calcium hydroxide powder, triple antibiotic paste, calcium hydroxide with 2% chlorhexidine solution, and triple antibiotic paste with 2% chlorhexidine solution...
July 2017: International Journal of Clinical Pediatric Dentistry
https://www.readbyqxmd.com/read/29099365/removal-of-calcium-hydroxide-intracanal-medicament-by-different-irrigants-and-irrigating-techniques-a-cone-beam-computed-tomography-analysis
#19
Prasanna Neelakantan, Priyanka Sriraman, James L Gutmann
The aim of this study was to use cone beam computed tomography (CBCT) to evaluate the removal of calcium hydroxide (Ca[OH]2) from root canals after using different irrigation and activation protocols. Root canals (n = 128) were filled with Ca(OH)2 and scanned using CBCT. The Ca(OH)2 was removed after 1 week using 1 of 12 groups (G1-G12) according to the final irrigating solution: G1, 6% sodium hypochlorite (NaOCl) + 18% etidronic acid (EA) with no activation; G2, NaOCL + EA + passive ultrasonic irrigation (PUI); G3, NaOCl + EA + Finishing File (FF); G4, NaOCl + EA + NaviTip FX irrigation needle (NTFX); G5, 3% NaOCl + 17% ethylenediaminetetraacetic acid (EDTA) with no activation; G6, NaOCl + EDTA + PUI; G7, NaOCl + EDTA + FF; G8, NaOCl + EDTA + NTFX; G9, 3% NaOCl with no activation; G10, NaOCl + PUI; G11, NaOCl + FF; G12, NaOCL + NTFX...
November 2017: General Dentistry
https://www.readbyqxmd.com/read/29079057/intracanal-cryotherapy-reduces-postoperative-pain-in-teeth-with-symptomatic-apical-periodontitis-a-randomized-multicenter-clinical%C3%A2-trial
#20
Jorge Vera, Jorge Ochoa, Monica Romero, Marino Vazquez-Carcaño, Cesar Omar Ramos-Gregorio, Ruben Rosas Aguilar, Alvaro Cruz, Philippe Sleiman, Ana Arias
INTRODUCTION: A prospective, multicentered, randomized clinical trial was designed to assess if controlled irrigation with cold saline could result in less incidence and intensity of postoperative pain in patients presenting with pulp necrosis and symptomatic apical periodontitis. METHODS: A total of 210 patients (presenting with necrotic uniradicular teeth with a diagnosis of symptomatic apical periodontitis and a preoperative visual analog scale (VAS) score higher than 7) were randomly allocated in the control or experimental group after the completion of shaping and cleaning procedures...
October 24, 2017: Journal of Endodontics
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