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Iranian Endodontic Journal

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https://www.readbyqxmd.com/read/28512498/treatment-outcomes-of-full-pulpotomy-as-an-alternative-to-tooth-extraction-in-molars-with-hyperplastic-irreversible-pulpitis-a-case-report
#1
Saeed Asgary, Prashant Verma, Ali Nosrat
Root canal therapy (RCT) is a common and successful treatment for irreversible pulpitis due to carious pulp exposure in mature permanent teeth. However, it is often an expensive procedure, may require multiple appointments, and requires a high level of training and clinical skill, specifically in molars. Uninsured patients, low-income patients, and patients with limited access to specialist care often elect for extraction of restorable teeth with irreversible pulpitis. There is a need for an alternative affordable treatment option to preserve their teeth and maintain chewing function...
2017: Iranian Endodontic Journal
https://www.readbyqxmd.com/read/28512497/management-of-perforating-idiopathic-internal-root-resorption
#2
Dalia Abdullah, Farah Eziana Hussein, Huwaina Abd Ghani
This case report describes the endodontic treatment of an idiopathic perforated internal root resorption. A 24-year-old male Malay patient presented with internal root resorption of two of his anterior teeth. The medical history was non-contributory and he had no history of traumatic injury or orthodontic treatment. Cone-beam computed tomography (CBCT) determined the nature, location and severity of the resorptive lesion. Non-surgical root canal treatment of tooth #22 and combined non-surgical and surgical approach for tooth #11 were carried out using mineral trioxide aggregate (MTA) as the filling material...
2017: Iranian Endodontic Journal
https://www.readbyqxmd.com/read/28512496/nonsurgical-management-of-a-large-periapical-lesion-a-case-report
#3
Sajedeh Ghorbanzadeh, Hengameh Ashraf, Sepanta Hosseinpour, Fatemeh Ghorbanzadeh
This case report describes the non-surgical management of a large cyst-like periapical lesion in the mandible of a 16-year-old female with the chief complaint of periodic swelling and pus drainage from the mandibular anterior region gingivae with no history of pain and traumatic accident in this area. Both mandibular central incisors had extensive caries. Root canals of both mandibular central incisors were filled with calcium hydroxide. After 10 days, endodontic therapy was carried out on both teeth. Clinical and radiographic re-evaluations at 3 and 12 months revealed progressing bone healing...
2017: Iranian Endodontic Journal
https://www.readbyqxmd.com/read/28512495/endodontic-management-of-open-apex-teeth-using-lyophilized-collagen-sponge-and-mta-cement-report-of-two-cases
#4
Miriam Graziele Magro, Milton Carlos Kuga, Weber Adad Ricci, Kátia Cristina Keine, Mateus Rodrigues Tonetto, Suellen Linares Lima, Alvaro Henrique Borges, Lauriê Garcia Belizário, Matheus Coêlho Bandeca
Teeth with open apices, such as in immature teeth or those with apical root resorption are clinical cases with difficult immediate resolution. With the use of mineral trioxide aggregate (MTA) in dentistry, it was possible to optimize the treatment time of these cases by immediate placement of apical plug and the root canal filling. However, some negative effects can occur if MTA is extruded beyond the apex. To avoid this accident, it has been recommended to use of an apical matrix prior to placement of MTA...
2017: Iranian Endodontic Journal
https://www.readbyqxmd.com/read/28512494/cleanliness-of-canal-walls-following-gutta-percha-removal-with-hand-files-race-and-race-plus-xp-endo-finisher-instruments-a-photographic-in-vitro-analysis
#5
Kasra Karamifar, Neda Mehrasa, Pouyan Pardis, Mohammad Ali Saghiri
INTRODUCTION: Gutta-percha must be removed from the root canal space during retreatment to ensure a more favorable outcome. The aim of this study was to compare the efficacy of hand instruments, RaCe and RaCe plus XP-endo finisher instruments in removal of gutta-percha from root canal walls during retreatment. METHODS AND MATERIALS: Thirty single-rooted premolars were prepared, obturated, and divided into three groups according to retreatment method; in group 1, retreatment was carried out by hand instruments, while in groups 2 and 3 retreatment was done using RaCe rotary files alone or accompanied by XP-endo finisher instruments, respectively...
2017: Iranian Endodontic Journal
https://www.readbyqxmd.com/read/28512493/radiographic-quality-of-root-canal-obturation-performed-by-fifth-year-students-of-hamadan-dental-school
#6
Amir Eskandarloo, Hamed Karkehabadi, Seyedeh Zeinab Hoseini Hashemi, Masoumeh Ahmadi, Seyedeh Sareh Hendi
INTRODUCTION: The aim of this study was to assess the radiographic technical quality of root canal therapy performed by fifth year students of Dental School of Hamadan University of Medical Sciences from 2015 to 2016. METHODS AND MATERIALS: Four hundred and seventy records of root canal therapies were evaluated. Records with graphies taken as initial, master apical file (MAF), master apical cone (MAC) and final radiographs were included in the study and records of patient younger than 16 years and older than 68 years were excluded from further investigations...
2017: Iranian Endodontic Journal
https://www.readbyqxmd.com/read/28512492/in-vitro-sealing-properties-of-calcium-enriched-mixture-and-mineral-trioxide-aggregate-orifice-barriers-during-intra-coronal-bleaching
#7
Negar Moghadam, Amir Ardalan Abdollahi, Hoda Aghabalayi Fakhim, Zahra Borna
INTRODUCTION: This study aimed at evaluating the sealing properties of calcium-enriched mixture (CEM) compared to mineral trioxide aggregate (MTA) as a cervical barriers in intra-coronal bleaching. METHODS AND MATERIALS: In this in vitro study, endodontic treatment was performed on 60 extracted human incisors and canines without canal calcification, caries, restorations, resorption or cracks. The teeth were then randomly divided into two experimental groups and two control groups (n=15)...
2017: Iranian Endodontic Journal
https://www.readbyqxmd.com/read/28512491/pulp-response-following-direct-pulp-capping-with-dentin-adhesives-and-mineral-trioxide-aggregate-an-animal-study
#8
Ali Akhavan, Farahnaz Arbabzadeh, Majid Bouzari, Sayed Mohammad Razavi, Amin Davoudi
INTRODUCTION: Pulp vitality and its continuous dentin prodution are essential for long-term success of direct pulp capping (DPC). The aim of present study was to evaluate the histopathological response of the canine pulp following DPC using either different dentin adhesive resins (DAR), calcium hydroxide (CH) or mineral trioxide aggregate (MTA). METHODS AND MATERIALS: DPC was done on 72 dog's teeth using 6 types of dental materials (n=12) (4 types of DAR, white MTA and CH)...
2017: Iranian Endodontic Journal
https://www.readbyqxmd.com/read/28512490/in-vitro-cytotoxicity-of-a-new-nano-root-canal-sealer-on-human-gingival-fibroblasts
#9
Maryam Javidi, Parisa Dastmalchi, Mina Zarei, Maryam Shayani Rad, Ahmad Ghorbani
INTRODUCTION: The aim of this in vitro study was to evaluate the cytotoxicity of a new nano zinc-oxide eugenol (NZOE) sealer on human gingival fibroblasts (HGFs) compared with Pulpdent (micro-sized ZOE sealer) and AH-26 (resin-based sealer). METHODS AND MATERIALS: The Pulpdent, AH-26, and NZOE sealers were prepared and exposed to cell culture media immediately after setting, and 24 h and one week after setting. Then, the primary cultured HGFs were incubated for 24 h with different dilutions (1:1 to 1:32) of each sealer extract...
2017: Iranian Endodontic Journal
https://www.readbyqxmd.com/read/28512489/effect-of-deep-cryogenic-treatment-on-cyclic-fatigue-of-endodontic-rotary-nickel-titanium-instruments
#10
Mohammad Yazdizadeh, Masoumeh Skini, Seyyed Mohsen Hoseini Goosheh, Mansour Jafarzadeh, Milad Shamohammadi, Vahid Rakhshan
INTRODUCTION: Cyclic fatigue is the common reason for breakage of rotary instruments. This study was conducted to evaluate the effect of cryogenic treatment (CT) in improving the resistance to cyclic fatigue of endodontic rotary instruments. METHODS AND MATERIALS: In this in vitro study, 20 RaCe and 20 Mtwo files were randomly divided into two groups of negative control and CT. CT files were stored in liquid nitrogen at -196(°)C for 24 h, and then were gradually warmed to the room temperature...
2017: Iranian Endodontic Journal
https://www.readbyqxmd.com/read/28512488/in-vitro-microleakage-of-mineral-trioxide-aggregate-calcium-enriched-mixture-cement-and-biodentine-intra-orifice-barriers
#11
Fatemeh Ramezanali, Sasan Aryanezhad, Fatemeh Mohammadian, Fatemeh Dibaji, Mohammad Javad Kharazifard
INTRODUCTION: This in vitro study compared the coronal microleakage of mineral trioxide aggregate (MTA), calcium-enriched mixture (CEM) cement and Biodentine as intra-orifice barriers. METHODS AND MATERIALS: The study was conducted on 76 extracted single-canal human teeth. Their root canals were prepared using ProTaper rotary files and filled with gutta percha and AH-26 sealer using lateral condensation technique. Coronal 3 mm of the gutta percha was removed from the root canals and replaced randomly with MTA, CEM cement or Biodentine in the three experimental groups (n=22)...
2017: Iranian Endodontic Journal
https://www.readbyqxmd.com/read/28512487/comparative-antimicrobial-efficacy-of-eucalyptus-galbie-and-myrtus-communis-l-extracts-chlorhexidine-and-sodium-hypochlorite-against-enterococcus-faecalis
#12
Mahdieh Nourzadeh, Arezu Amini, Farzaneh Fakoor, Maryam Raoof, Fariba Sharififar
INTRODUCTION: The aim of this study was to evaluate the antimicrobial effect of Eucalyptusgalbie and Myrtus communis L. methanolic extracts, chlorhexidine (CHX) and sodium hypochlorite (NaOCl) on Enterococcus faecalis (E. faecalis) as the predominant species isolated from infected root canals. METHODS AND MATERIALS: One hundred twenty mandibular premolars were randomly divided into 8 groups: Eucalyptusgalbie (E. galbie) 12.5 mg/mL, Myrtus communis L. (M. communis L...
2017: Iranian Endodontic Journal
https://www.readbyqxmd.com/read/28512486/students-knowledge-comprehension-after-implementation-of-live-conventional-demonstration-video-teaching-and-video-assisted-instruction-methods-in-endodontic-practice
#13
Nahid Mohammadzadeh Akhlaghi, Zohreh Khalilak, Mehdi Vatanpour, Amirabbas Moshari, Saman Ghaffari, Mohammad Sadegh Namazikhah
INTRODUCTION: Video-assisted clinical instruction (VACID) has been found to be a beneficial teaching tool for various fields in dentistry. The aim of this interventional study was to compare the efficacy of live conventional demonstration (CD), video teaching, and VACID (video with explanation) methods in teaching of root canal treatment to undergraduate dental students. METHODS AND MATERIALS: Forty-two undergraduate senior dental students participated in this study...
2017: Iranian Endodontic Journal
https://www.readbyqxmd.com/read/28512485/effect-of-blood-exposure-on-push-out-bond-strength-of-four-calcium-silicate-based-cements
#14
Kazem Ashofteh Yazdi, Behnam Bolhari, Tohid Sabetmoghaddam, Naghmeh Meraji, Mohammad Javad Kharazifard
INTRODUCTION: The purpose of this study was to compare the push-out bond strength of white ProRoot Mineral Trioxide Aggregate (MTA), Biodentine, calcium-enriched mixture (CEM) cement and Endosequence Root Repair Material (ERRM) putty after exposure to blood. METHODS AND MATERIALS: A total of 96 root dentin slices with a standardized thickness of 1.00±0.05 mm and standardized canal spaces were randomly divided into 4 main experimental groups (n=24) according to the calcium silicate based cement (CSC) used: white ProRoot MTA, CEM Cement, ERRM Putty and Biodentine...
2017: Iranian Endodontic Journal
https://www.readbyqxmd.com/read/28512484/scanning-electron-microscopy-and-energy-dispersive-x-ray-microanalysis-of-set-cem-cement-after-application-of-different-bleaching-agents
#15
Mohammad Samiei, Maryam Janani, Amin Vahdati, Yalda Alemzadeh, Mahmoud Bahari
INTRODUCTION: The present study evaluated the element distribution in completely set calcium-enriched mixture (CEM) cement after application of 35% carbamide peroxide, 40% hydrogen peroxide and sodium perborate as commercial bleaching agents using an energy-dispersive x-ray microanalysis (EDX) system. The surface structure was also observed using the scanning electron microscope (SEM). METHODS AND MATERIALS: Twenty completely set CEM cement samples, measuring 4×4 mm(2), were prepared in the present in vitro study and randomly divided into 4 groups based on the preparation technique as follows: the control group; 35% carbamide peroxide group in contact for 30-60 min for 4 times; 40% hydrogen peroxide group with contact time of 15-20 min for 3 times; and sodium perborate group, where the powder and liquid were mixed and placed on CEM cement surface 4 times...
2017: Iranian Endodontic Journal
https://www.readbyqxmd.com/read/28512483/efficacy-of-different-root-canal-irrigants-on-smear-layer-removal-after-post-space-preparation-a-scanning-electron-microscopy-evaluation
#16
Rahele Mirseifinejad, Mehdi Tabrizizade, Abdolrahim Davari, Fateme Mehravar
INTRODUCTION: Effective durable adhesion between post material and dentine using resin cements is essential for longevity of restoration. The aim of this in vitro study was to compare the effect of different irrigants on smear layer removal after post space preparation. METHODS AND MATERIALS: A total of 75 extracted anterior human teeth were selected. The canals were instrumented by rotary system and then were filled. After preparing the post space, teeth were divided into 5 groups according to irrigants: 17% EDTA; 17% EDTA+2% CHX; 5...
2017: Iranian Endodontic Journal
https://www.readbyqxmd.com/read/28512482/effect-of-field-of-view-on-detection-of-external-root-resorption-in-cone-beam-computed-tomography
#17
(no author information available yet)
INTRODUCTION: Conventional methods for diagnosis of external root resorption (ERR) are based on clinical findings and x-ray observations which are not appropriate for early diagnosis. The present study assessed the effect of different sizes and field of views (FOVs) in the diagnosis of simulated external root resorption by cone-beam computed tomography (CBCT). METHODS AND MATERIALS: In this diagnostic in vitro trial, 100 human extracted mandibular central incisors were collected and marked in 3 apical, middle and coronal areas...
2017: Iranian Endodontic Journal
https://www.readbyqxmd.com/read/28512481/influence-of-root-canal-curvature-on-the-accuracy-of-root-zx-electronic-foramen-locator-an-in-vitro-study
#18
Masoud Saatchi, Shiva Iravani, Mehrdad Akhavan Khaleghi, Amin Mortaheb
INTRODUCTION: The aim of this in vitro study was to evaluate the correlation between accuracy of Root ZX electronic foramen locator and root canal curvature. METHODS AND MATERIALS: One hundred and ten extracted mandibular molars were selected. Access cavity was prepared and coronal enlargement of mesiobuccal canal was performed. A #10 Flexofile was inserted into the mesiobuccal canal, and a radiography was taken to measure the degree of curvature by Schneider's method...
2017: Iranian Endodontic Journal
https://www.readbyqxmd.com/read/28512480/effect-of-intra-canal-calcium-hydroxide-remnants-on-the-push-out-bond-strength-of-two-endodontic-sealers
#19
Sholeh Ghabraei, Behnam Bolhari, Fatemeh Yaghoobnejad, Naghmeh Meraji
INTRODUCTION: The aim of this study was to evaluate the effect of intra-canal calcium hydroxide (CH) remnants after ultrasonic irrigation and hand file removal on the push out bond strength of AH-26 and EndoSequence Bioceramic sealer (BC Sealer). METHODS AND MATERIALS: A total of 102 single-rooted extracted human teeth were used in this study. After root canal preparation up to 35/0.04 Mtwo rotary file, all the specimens received CH dressing except for 34 specimens in the control group...
2017: Iranian Endodontic Journal
https://www.readbyqxmd.com/read/28512479/in-vitro-cytotoxicity-comparison-of-mta-fillapex-ah-26-and-apatite-root-canal-sealer-at-different-setting-times
#20
Farnaz Jafari, Marzieh Aghazadeh, Sanaz Jafari, Faraz Khaki, Fahime Kabiri
INTRODUCTION: This study aimed to compare the cytotoxicity of MTA Fillapex, AH-26 and Apatite root canal sealers at different times after mixing. METHODS AND MATERIALS: In this in vitro study, MTA Fillapex, AH-26 and Apatite root canal sealer were spilled uniformly by 40 µm mesh in a 96-well plate. Then, human fetal foreskin fibroblast cell line (HFFF2) were added to each sealer cell culture medium. Cytotoxicity was measured using MTT assay after 24, 48 and 72 h and seven days...
2017: Iranian Endodontic Journal
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