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Iranian Endodontic Journal

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https://www.readbyqxmd.com/read/29225656/letter-to-the-editor
#1
Juan Carlos Valverde Huaranga, Gerson Lara Baldeon, Stefany Caballero-García
No abstract text is available yet for this article.
2017: Iranian Endodontic Journal
https://www.readbyqxmd.com/read/29225655/non-surgical-endodontic-management-of-type-ii-dens-invaginatus-with-closed-and-open-apex
#2
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/29225654/clinical-approach-to-pulp-canal-obliteration-a-case-series
#3
Kenia Maria Soares de Toubes, Patrícia Alves Drummond de Oliveira, Stephanie Nicácio Machado, Vânia Pelosi, Eduardo Nunes, Frank Ferreira Silveira
This article describes four cases with safe and feasible clinical treatment strategies for anterior teeth with pulp canal obliteration (PCO) using cone-beam computed tomography (CBCT), digital radiography (DR), dental operating microscopy (DOM) and ultrasonic tips (US). Four anterior teeth with PCO were chosen. DR was taken with different angulations and analyzed with different filters. Subsequently, the access cavity was performed with the aid of DOM. If the canal was not identified, CBCT was requested. Sagittal and axial slices guided the direction of the ultrasonic tips...
2017: Iranian Endodontic Journal
https://www.readbyqxmd.com/read/29225653/nonsurgical-management-of-an-immature-maxillary-central-incisor-with-type-iii-dens-invaginatus-using-mta-plug-a-case-report
#4
Negar Norouzi, Majid Kazem, Atefeh Gohari
Dens invaginatus is a developmental anomaly, caused by deepening of the enamel organ into the dental papilla before calcification of the dental tissues. Teeth with dens invagination are susceptible to early caries and pulp necrosis within a few years of eruption or even before root end closure. This article reports two immature maxillary central incisors with type I and III dens invaginatus which had necrotic pulp and a large periradicular lesion, that were treated successfully by nonsurgical root canal treatment...
2017: Iranian Endodontic Journal
https://www.readbyqxmd.com/read/29225652/repair-of-iatrogenic-furcal-perforation-with-mineral-trioxide-aggregate-a-seven-year-follow-up
#5
Jardel Camilo do Carmo Monteiro, Mateus Rodrigues Tonetto, Matheus Coêlho Bandeca, Alvaro Henrique Borges, José Cláudio Martins Segalla, Keren Cristina Fagundes Jordão-Basso, Cristian Fernando Sanchez-Puetate, Milton Carlos Kuga
Teeth with furcal perforation present difficult resolution and dubious prognosis. Several materials have been proposed and calcium silicate-based cements such as mineral trioxide aggregate (MTA) are the most recommended. However, its long-term clinical behavior still remains poorly understood. The present study reports a clinical case of furcal perforation repair using Angelus MTA, with a 7-year follow-up. Patient sought treatment 2 months after iatrogenic accident. First lower right molar presented clinical signs such as fistula and bone loss between mesial and distal roots...
2017: Iranian Endodontic Journal
https://www.readbyqxmd.com/read/29225651/multidisciplinary-treatment-of-a-double-first-mandibular-premolar
#6
Renato Piai Pereira, Rodrigo Ravazzi, Rogério Vieira Silva, Eduardo Nunes, João Milton Rocha Gusmão, Paulo Sérgio Flores Campos
Gemination aka twinning and fusion, are rare occurrences in posterior mandibular teeth, often requiring endodontic and surgical treatment for functional, orthodontic or cosmetic reasons. The diagnosis and design of a precise treatment plan in cases involving double teeth are in most cases challenging. The purpose of this case report is to describe a successful multidisciplinary treatment protocol for a double tooth. Upon completion of the endodontic, restorative and orthodontic treatments, the clinical and radiographic three-year follow-up revealed that the rest of the transected premolar showed evidence of healing of the supporting tissues and satisfactory cosmetic result...
2017: Iranian Endodontic Journal
https://www.readbyqxmd.com/read/29225650/maintenance-of-pulp-after-horizontal-root-fractures-in-three-maxillary-incisors-a-thirteen-year-evaluation
#7
Vânia Portela Ditzel Westphalen, Everdan Carneiro, Luiz Fernando Fariniuk, Ulisses Xavier da Silva Neto, Fernando Henrique Westphalen, Alexandre Kowalczuck
This case report documents the clinical approach adopted for three upper incisors with horizontal root fracture in the middle or cervical third. The proposed procedures involved maintaining pulp vitality and periodontal stability of the fractured teeth with 13 years of follow-up.
2017: Iranian Endodontic Journal
https://www.readbyqxmd.com/read/29225649/incidence-of-dentinal-defects-and-vertical-root-fractures-after-endodontic-retreatment-and-mechanical-cycling
#8
Mariana De Carlo Bello, Rafael Pillar, Pauline Mastella Lang, Carina Michelon, Ricardo Abreu da Rosa, Carlos Alexandre Souza Bier
Introduction: The aim of this study was to evaluate the incidence of dentinal defects and vertical root fractures (VRFs) after endodontic retreatment and mechanical cycling (MC). Methods and Materials: Two hundred mandibular premolars were selected. Forty teeth were left unprepared (control group). The remaining 160 root canals were prepared with ProTaper instruments and filled by using two different techniques [eighty with lateral compaction (LC) and eighty with single-cone (SC)]...
2017: Iranian Endodontic Journal
https://www.readbyqxmd.com/read/29225648/evaluating-the-accuracy-of-two-microleakage-assessment-methods-for-mineral-trioxide-aggregate-and-calcium-enriched-mixture-cement
#9
Fatemeh Ayatollahi, Milad Hazeri Baqdad Abad, Seyed Hossein Razavi, Mahdi Tabrizizadeh, Reza Ayatollahi, Fatemeh Zarebidoki
Introduction: Multiple methods for evaluating microleakage have been introduced over the years, but there has been no agreement as to which technique will give more accurate results. The aim of this study was to compare the accuracy and results of fluid filtration and marginal adaptation methods for mineral trioxide aggregate (MTA) and calcium-enriched mixture (CEM) cement apical plugs. Methods and Materials: A total of 250 single-rooted human teeth were collected...
2017: Iranian Endodontic Journal
https://www.readbyqxmd.com/read/29225647/compressive-strength-of-mineral-trioxide-aggregate-and-calcium-enriched-mixture-cement-mixed-with-propylene-glycol
#10
Fereshte Sobhnamayan, Alireza Adl, Nooshin Sadat Shojaee, Mahdi Sedigh-Shams, Elnaz Zarghami
Introduction: The aim of the present study was to evaluate and compare the compressive strength (CS) of mineral trioxide aggregate (MTA) and calcium-enriched mixture (CEM) cement when mixed with propylene glycol (PG). Methods and Materials: Twenty four custom-made split molds with 5 holes in each were prepared. Molds were allocated into eight groups (n=15 holes) as follows: Groups 1,5: CEM and MTA mixed with PG (100%), Groups 2,6: CEM and MTA mixed with PG (20% )+CEM or MTA liquid (80%) respectively, Groups 3,7: CEM and MTA mixed with PG (50% )+CEM or MTA liquid (50% ) respectively, Groups 4,8: CEM and MTA mixed with CEM or MTA liquid respectively as control groups...
2017: Iranian Endodontic Journal
https://www.readbyqxmd.com/read/29225646/in-vitro-cytotoxicity-and-setting-time-assessment-of-calcium-enriched-mixture-cement-retro-mineral-trioxide-aggregate-and-mineral-trioxide-aggregate
#11
Tahereh Pornamazeh, Zahra Yadegari, Amir Ghasemi, Seyedeh Mahsa Sheykh-Al-Eslamian, Shiva Shojaeian
Introduction: The present study sought to evaluate and compare biocompatibility and setting time of Retro mineral trioxide aggregate (MTA), calcium-enriched mixture (CEM) and Angelus MTA. Methods and Materials: CEM cement, Angelus MTA and Retro MTA were assessed in set and fresh states. Extracts transformed to each cavity of three 24-well plates in which 1×104 cell were seeded into each well 24 h earlier. All specimens were incubated in a humidified incubator with 5% CO2 at 37°C...
2017: Iranian Endodontic Journal
https://www.readbyqxmd.com/read/29225645/the-effects-of-different-ionic-liquid-coatings-and-the-length-of-alkyl-chain-on-antimicrobial-and-cytotoxic-properties-of-silver-nanoparticles
#12
Abbas Abbaszadegan, Ahmad Gholami, Sara Abbaszadegan, Zeynab Sadat Aleyasin, Yasamin Ghahramani, Samira Dorostkar, Bahram Hemmateenejad, Younes Ghasemi, Hashem Sharghi
Introduction: The antibacterial efficacy and toxicity of silver nanoparticles (AgNPs) depends on their physicochemical properties including size, shape, surface charge and surface coatings. The Objectives of this study were: i) To synthesize and characterize positively charged AgNPs coated by different ionic-liquids with different alkyl chain lengths, ii) To evaluate the antimicrobial activity of these nanoparticles against Enterococcus faecalis compared to sodium hypochlorite (NaOCl) and chlorhexidine (CHX), iii) To compare the cytocompatibility of these solutions against L929 mouse fibroblasts...
2017: Iranian Endodontic Journal
https://www.readbyqxmd.com/read/29225644/physical-and-chemical-properties-of-cem-cement-mixed-with-propylene-glycol
#13
Fereshte Sobhnamayan, Alireza Adl, Nooshin Sadat Shojaee, Zahra Zarei, Atiyeh Emkani
Introduction: the aim of the present study was to evaluate the influence of propylene glycol (PG) on the flowability, microhardness, pH and calcium ion release of calcium-enriched mixture (CEM). Methods and Materials: CEM cement was mixed with different proportions of PG, as follows: group 1,100% CEM liquid (CL); group 2, 100% PG; group 3, 50% PG and group 4, 20% PG. For assessment of flowability, methodology of ADA Specification No. 57 was applied. For measuring microhardness, 80 cylindrical molds (6×4 mm) were filled with CEM cement and divided into 2 subgroups (4, 21 days) and tested using Vickers Test...
2017: Iranian Endodontic Journal
https://www.readbyqxmd.com/read/29225643/cyclic-fatigue-resistance-of-waveone-gold-prodesign-r-and-prodesign-logic-files-in-curved-canals-in-vitro
#14
Sílvio Emanuel Acioly Conrado de Menezes, Shirley Machado Batista, Juliana Ouro Preto Lira, Gabriela Queiroz de Melo Monteiro
Introduction: Endodontic instruments are developed to provide a better cleaning of the root canal system and reduce its risk of fracture. The aim of this study was to evaluate the instrumentation time and cyclic fatigue resistance of WaveOne Gold, ProDesign R and ProDesign Logic files. Methods and Materials: Thirty Nickel-titanium (NiTi) rotary instruments were divided into 3 groups (n=10). ProDesign Logic file 25/0.06 was used in continuous rotation after glide path preparation...
2017: Iranian Endodontic Journal
https://www.readbyqxmd.com/read/29225642/comparison-of-apical-transportation-with-the-use-of-rotary-system-and-reciprocating-handpiece-with-precurved-hand-files-an-in-vitro-study
#15
Fatemeh Mohammadian, Atefeh Sadeghi, Fatemeh Dibaji, Mona Sadegh, Zahra Ghoncheh, Mohammad Javad Kharrazifard
Introduction: Success of root canal treatment depends on several factors; among which, maintaining the original canal path during mechanical preparation is extremely important. This in vitro study aimed to compare apical transportation using RaCe NiTi rotary system and precurved stainless steel (SS) hand files in a reciprocating handpiece. Methods and Materials: Mesiobuccal canals of 40 extracted human mandibular first and second molars with 20 to 45° curvatures and 3 to 7 mm curve radius were chosen for this study...
2017: Iranian Endodontic Journal
https://www.readbyqxmd.com/read/29225641/foramen-changes-following-over-instrumentation-of-curved-canals-with-three-engine-driven-instruments-an-in-vitro-study
#16
Salwa Yammine, Edgard Jabbour, Paul Nahas, Zeina Majzoub
Introduction: The present in vitro study aimed to evaluate and compare the changes in shape and surface area of the major foramen following shaping of curved canals with three new generation NiTi engine-driven instruments naming ProTaper Next, BT RaCe and WaveOne Gold- with 3 different levels of protrusion beyond the major apical foramen. Methods and Materials: A total of 45 extracted human molars with at least one curved canal were distributed in 3 comparable groups of 15 that were instrumented using either ProTaper Next (PTN), BT RaCe (BTR) or WaveOne Gold (WOG)...
2017: Iranian Endodontic Journal
https://www.readbyqxmd.com/read/29225640/anesthetic-efficacy-of-articaine-and-ketamine-for-inferior-alveolar-nerve-block-in-symptomatic-irreversible-pulpitis-a-prospective-randomized-double-blind-study
#17
Vahid Sakhaeimanesh, Saber Khazaei, Naser Kaviani, Masoud Saatchi, Maryam Shafiei, Abbasali Khademi
Introduction: The aim of this prospective, randomized, double-blind study was to investigate the effect of articaine combined with ketamine on the success rate of inferior alveolar nerve block (IANB) in posterior mandible teeth with symptomatic irreversible pulpitis. Methods and Materials: Forty two adult patients with diagnosis of symptomatic irreversible pulpitis of a mandibular posterior tooth were selected. The patients received two cartridges of either containing 3...
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
#18
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/29225638/the-probable-effect-of-irrigation-solution-and-time-on-bond-strength-to-coronal-dentin-an-in-vitro-evaluation
#19
Fatemeh Mokhtari, Ehsan Anvar, Mostafa Mirshahpanah, Hamidreza Hemati, Alireza Danesh Kazemi
Introduction: The aim of this study was to evaluate the effect of root canal irrigants on the microtensile bond strength of 2-step self-etch adhesive to dentin. Methods and Materials: n this study 36 sound extracted human third molars were used. After grinding 3 mm of occlusal surface, teeth were randomly divided into 6 groups based on irrigation material naming normal saline, 5.25% sodium hypochlorite (NaOCl) and 2% chlorhexidine (CHX) and also irrigation time (5 or 30 min)...
2017: Iranian Endodontic Journal
https://www.readbyqxmd.com/read/29225637/incidence-of-dentinal-crack-after-root-canal-preparation-by-protaper-universal-neolix-and-safesider-systems
#20
Azadeh Harandi, Sina Mirzaeerad, Mahgol Mehrabani, Elham Mahmoudi, Ali Bijani
Introduction: This study aimed to compare the incidence of dentinal crack formation by instrumentation with ProTaper Universal system (rotary, multi-file system), SafeSider (reciprocation movement, multi-file system) and Neolix (rotary, single-file system). Methods and Materials: In this in vitro study, 60 freshly extracted mandibular first molars were randomly divided into three experimental groups (n=15) and a control group containing unprepared teeth (n=15). Instrumentation in different groups was accomplished using either ProTaper, Neolix or SafeSider systems up to 25/0...
2017: Iranian Endodontic Journal
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