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Mineral trioxide aggregate

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https://www.readbyqxmd.com/read/28228629/involvement-of-the-calcium-sensing-receptor-in-mineral-trioxide-aggregateinduced-osteogenic-gene-expression-in-murine-mc3t3-e1-cells
#1
Takuya Yasukawa, Makoto Hayashi, Natsuko Tanabe, Hiromasa Tsuda, Yusuke Suzuki, Takayuki Kawato, Naoto Suzuki, Masao Maeno, Bunnai Ogiso
Mineral trioxide aggregate (MTA) has excellent biocompatibility as well as bioactivity, including an ability to induce osteoblast differentiation. We examined the effects of the calcium-sensing receptor (CaSR) on osteogenic gene expression induced by MTA. MC3T3-E1 cells were cultured with or without (control) MTA. The expression levels of Runx2, type I collagen, and CaSR genes were analyzed by real-time polymerase chain reaction and their products were measured using enzyme-linked immunosorbent assays. The levels were increased significantly in cells exposed to MTA compared with control...
February 22, 2017: Dental Materials Journal
https://www.readbyqxmd.com/read/28216271/comparative-analysis-of-2-calcium-silicate-based-cements-biodentine-and-mineral-trioxide-aggregate-as-direct-pulp-capping-agent-in-young-permanent-molars-a-split-mouth-study
#2
Farhin A Katge, Devendra P Patil
INTRODUCTION: The purpose of this study was to compare Biodentine and mineral trioxide aggregate (MTA) for direct pulp capping in young permanent molars by clinical and radiographic evaluation in 7- to 9-year-old children. METHODS: In 50 patients, 29 patients with bilateral asymptomatic first permanent molars with carious involvement were selected. According to split mouth design, these patients were then divided into 2 groups, Biodentine group (right side) and MTA group (left side)...
February 16, 2017: Journal of Endodontics
https://www.readbyqxmd.com/read/28215436/mineral-trioxide-aggregate-is-likely-to-result-in-higher-clinical-and-radiographic-success-rates-than-other-alternatives-in-immature-necrotic-teeth
#3
Romina Brignardello-Petersen
No abstract text is available yet for this article.
February 16, 2017: Journal of the American Dental Association
https://www.readbyqxmd.com/read/28210434/effect-of-the-tio2-nanoparticles-on-the-selected-physical-properties-of-mineral-trioxide-aggregate
#4
Mohammad Samiei, Maryam Janani, Naser Asl-Aminabadi, Negin Ghasemi, Baharak Divband, Sajjad Shirazi, Kayvan Kafili
BACKGROUND: Some of the efforts to improve the properties of Mineral Trioxide Aggregate (MTA) include incorporation of some nanoparticles such as Titanium dioxide (TiO2). The aim of this study was to evaluate the effect of TiO2 nanoparticles on the setting time, working time, push-out bond strength and compressive strength of MTA. MATERIAL AND METHODS: The physical properties to be evaluated were determined using the ISO 6786:2001 and 9917 specifications. Fifteen samples of each material (MTA or MTA with 1% weight ratio of TiO2 Nanoparticles) were prepared for any evaluated physical property...
February 2017: Journal of Clinical and Experimental Dentistry
https://www.readbyqxmd.com/read/28210432/biocompatibility-of-mineral-trioxide-aggregate-with-tio2-nanoparticles-on-human-gingival-fibroblasts
#5
Mohammad Samiei, Negin Ghasemi, Marzieh Aghazadeh, Baharak Divband, Farzaneh Akbarzadeh
BACKGROUND: The New compositions of white mineral trioxide aggregate (WMTA) or use of various additives like nanoparticles might affect MTA's ideal characteristics This study was performed to evaluate the cytotoxicity of WMTA and WMTA with Titanium dioxide (TiO2) nanoparticles (1% weight ratio) at different storage times after mixing on human gingival fibroblasts (HGFs). MATERIAL AND METHODS: HGFs were obtained from the attached gingiva of human premolars. HGFs were cultured in Dulbecco's Modified Eagle medium, supplemented with 10% fetal calf serum, penicillin and streptomycin...
February 2017: Journal of Clinical and Experimental Dentistry
https://www.readbyqxmd.com/read/28210431/vertical-root-fracture-resistance-of-simulated-immature-permanent-teeth-filled-with-mta-using-different-vehicles
#6
Hacer Aksel, Sevinc Askerbeyli-Örs, Derya Deniz-Sungur
BACKGROUND: The aim of the study is to evaluate the resistance vertical root fracture (VRF) of mineral trioxide aggregate (MTA) filled-immature permanent roots by using three different vehicles. MATERIAL AND METHODS: Forty-extracted human single-rooted mandibular premolars were selected and the root length was standardized to the length of 9 mm. For simulation of immature tooth apices, peeso reamers were introduced into the root canals and the prepared roots were assigned into three experimental groups according the used vehicle (distilled water-DW, prophylene glycol-PG, chlorhexidine-CHX) and control group (n=10)...
February 2017: Journal of Clinical and Experimental Dentistry
https://www.readbyqxmd.com/read/28179935/shear-bond-strength-of-self-adhering-flowable-composite-and-resin-modified-glass-ionomer-to-two-pulp-capping-materials
#7
Maryam Doozaneh, Fatemeh Koohpeima, Maryam Firouzmandi, Forugh Abbassiyan
INTRODUCTION: The aim of this study was to compare the shear bond strength of a self-adhering flowable composite (SAFC) and resin-modified glass ionomer (RMGI) to mineral trioxide aggregate (MTA) and calcium-enriched mixture (CEM) cement. METHODS AND MATERIALS: A total of 72 acrylic blocks with a central hole (4 mm in diameter and 2 mm in depth) were prepared. The holes were filled with MTA (sub group A) and CEM cement. The specimens of both restorative materials were divided into 6 groups; overall there were 12 groups...
2017: Iranian Endodontic Journal
https://www.readbyqxmd.com/read/28179916/postoperative-pain-following-pulpotomy-of-primary-molars-with-two-biomaterials-a-randomized-split-mouth-clinical-trial
#8
Leili Shafie, Hamide Barghi, Masoud Parirokh, Hamed Ebrahimnejad, Nozar Nakhae, Sara Esmaili
INTRODUCTION: The aim of this randomized clinical trial split-mouth study was to compare the postoperative pain following use of mineral trioxide aggregate (MTA) and calcium-enriched mixture (CEM) cement as pulpotomy agents in carious primary molars. METHODS AND MATERIALS: Forty-seven children aged between 6-10 years old were enrolled in this study. Each child had two cariously involved primary molar in need of pulpotomy. After caries removal and preparing access cavity in one of the carious teeth, either MTA or CEM cement was randomly used as the pulpotomy agent, while the other cariously involved primary molar tooth was capped with the other material in a separate visit...
2017: Iranian Endodontic Journal
https://www.readbyqxmd.com/read/28169260/evaluation-of-indirect-pulp-capping-using-three-different-materials-a-randomized-control-trial-using-cone-beam-computed-tomography
#9
Vijay Prakash Mathur, Jatinder Kaur Dhillon, Ajay Logani, Gauri Kalra
OBJECTIVE: The objective of this study was to determine the most suitable material for indirect pulp treatment (IPT) clinically and to determine the thickness (in mm) and type of tissue in terms of radiodensity (in Hounsfield units [HU]) formed after pulp capping using cone-beam computed tomography (CBCT) scan. MATERIALS AND METHODS: A longitudinal interventional single-blind randomized clinical trial was conducted on 94 children (7-12 years) with a deep carious lesion in one or more primary second molar and permanent first molar without the history of spontaneous pain indicated for indirect pulp capping (IPC) procedure...
November 2016: Indian Journal of Dental Research: Official Publication of Indian Society for Dental Research
https://www.readbyqxmd.com/read/28149459/sealing-efficacy-of-mineral-trioxide-aggregate-with-and-without-nanosilver-for-root-end-filling-an-in-vitro-bacterial-leakage-study
#10
Mahsa Eskandarinezhad, Naiemeh Shahveghar-Asl, Reza Sharghi, Sajjad Shirazi, Sahar Shakouie, Amin-Salem Milani, Esrafil Balaei
BACKGROUND: Various materials have been added to mineral trioxide aggregate to enhance its properties. This study was aimed to compare the sealing efficacy of MTA with and without nanosilver using bacterial leakage approach. MATERIAL AND METHODS: Seventy canine teeth were prepared and obturated. Then, after apical resection, the root-end cavities were prepared by ultrasonic retrotips. Teeth were randomly divided into 4 groups containing two experimental groups (n=30) and two negative and positive controls (n=5)...
January 2017: Journal of Clinical and Experimental Dentistry
https://www.readbyqxmd.com/read/28132710/treatment-outcomes-of-apexification-or-revascularization-in-nonvital-immature-permanent-teeth-a-retrospective-study
#11
Jidapa Silujjai, Pairoj Linsuwanont
INTRODUCTION: The purposes of this retrospective study were to evaluate the clinical and radiographic outcomes of mineral trioxide aggregate apexification and revascularization in nonvital immature permanent teeth and to analyze factors influencing treatment outcome. METHODS: Forty-six cases (29 cases of apexification and 17 cases of revascularization) were recruited into this study. Patients' preoperative and postoperative information was analyzed. Treatment outcomes were categorized as a success or failure and functional retention...
February 2017: Journal of Endodontics
https://www.readbyqxmd.com/read/28128328/antimicrobial-activity-of-proroot-mta-in-contact-with-blood
#12
C Farrugia, P Baca, J Camilleri, M T Arias Moliz
Dental materials based on Portland cement, which is used in the construction industry have gained popularity for clinical use due to their hydraulic properties, the interaction with tooth tissue and their antimicrobial properties. The antimicrobial properties are optimal in vitro. However in clinical use contact with blood may affect the antimicrobial properties. This study aims to assess whether antimicrobial properties of the Portland cement-based dental cements such as mineral trioxide aggregate (MTA) are also affected by contact with blood present in clinical situations...
January 27, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28117904/the-effect-of-accelerated-mineral-trioxide-aggregate-on-odontoblastic-differentiation-in-dental-pulp-stem-cell-niches
#13
P Kulan, O Karabiyik, G T Kose, B Kargul
AIM: To investigate the effect of accelerated-set mineral trioxide aggregate (MTA) on the proliferation and odontoblastic differentiation of human dental pulp cell niches (DPSC). METHODOLOGY: ProRoot White MTA (WMTA) (Dentsply Tulsa Dental, Johnson City, TN, USA) was mixed with various additives, which included distilled water, 2.5% disodium hydrogen phosphate (Na2 HPO4 )(Merck, Darmstadt, Germany) and 5% calcium chloride (CaCl2 )(Merck). DPSC niches extracted from third molars were cultured directly on MTA in the culture medium...
January 24, 2017: International Endodontic Journal
https://www.readbyqxmd.com/read/28106508/gelma-encapsulated-hdpscs-and-huvecs-for-dental-pulp-regeneration
#14
A Khayat, N Monteiro, E E Smith, S Pagni, W Zhang, A Khademhosseini, P C Yelick
Pulpal revascularization is commonly used in the dental clinic to obtain apical closure of immature permanent teeth with thin dentinal walls. Although sometimes successful, stimulating bleeding from the periapical area of the tooth can be challenging and in turn may deleteriously affect tooth root maturation. Our objective here was to define reliable methods to regenerate pulp-like tissues in tooth root segments (RSs). G1 RSs were injected with human dental pulp stem cells (hDPSCs) and human umbilical vein endothelial cells (HUVECs) encapsulated in 5% gelatin methacrylate (GelMA) hydrogel...
February 2017: Journal of Dental Research
https://www.readbyqxmd.com/read/28068272/surgical-resolution-of-an-aggressive-iatrogenic-root-perforation-in-a-maxillary-central-incisor-a-case-report-with-a-4-year-follow-up
#15
Ricardo Machado, Marcelo Agnoletto, Eduardo Donato Eing Engelke Back, Luiz Fernando Tomazinho, Fabricio Abel Paganini, Luiz Pascoal Vansan
The prognosis of teeth with root perforations depends on several factors, including size, location, and time since occurrence. Root perforations are clinical situations that can be solved by either nonsurgical or surgical approaches. The purpose of this article is to present a case of an aggressive iatrogenic root perforation in a maxillary right central incisor solved surgically using mineral trioxide aggregate (MTA). Even in an unfavorable situation, MTA was able to induce new bone formation and reestablish gingival and periodontal health, as confirmed in follow-up examinations at 2 and 4 years...
January 2017: General Dentistry
https://www.readbyqxmd.com/read/28065972/management-of-root-resorption-with-mineral-trioxide-aggregate-complicated-by-a-luxation-injury-report-of-a-case-with-six-year-follow-up
#16
Adem Kusgoz, Tahsin Yildirim, Cemile Kedici Alp, Mehmet Tanriver
Trauma to the oral region occurs frequently, comprising 5% of all injuries. The most common dental injuries are lateral luxations which can be seen with a prevalence of up to 27% among dental injuries. Ectopic eruption of maxillary canines can lead to root resorption on maxillary lateral incisors especially on apical and middle thirds of the roots. Half of these resorbed lateral incisors show severe resorption, in which the pulp is exposed. This case report describes non-surgical treatment with mineral trioxide aggregate (MTA) and a six-year follow-up of a maxillary lateral incisor, resorbed by ectopic eruption of the canine and affected by lateral luxation injury...
January 2017: JPMA. the Journal of the Pakistan Medical Association
https://www.readbyqxmd.com/read/28041685/treatment-outcomes-of-mineral-trioxide-aggregate-pulpotomy-in-vital-permanent-teeth-with-carious-pulp-exposure-the-retrospective-study
#17
Pairoj Linsuwanont, Kongthum Wimonsutthikul, Uht Pothimoke, Busayarat Santiwong
INTRODUCTION: This study aimed to illustrate the treatment outcomes of mineral trioxide aggregate (MTA) pulpotomy in vital permanent teeth with carious pulp exposure. METHODS: MTA pulpotomy was performed in 66 vital permanent teeth with carious pulp exposure including teeth with signs and symptoms of irreversible pulpitis and the presence of periapical radiolucency. Patients were assessed for clinical and radiographic outcomes by 2 examiners. The relationship between treatment outcomes and factors was analyzed by means of univariate analysis and binary logistic regression...
December 29, 2016: Journal of Endodontics
https://www.readbyqxmd.com/read/28041682/delayed-root-development-by-displaced-mineral-trioxide-aggregate-after-regenerative-endodontics-a-case-report
#18
Aovana Timmerman, Peter Parashos
INTRODUCTION: This case report presents the treatment of a 16-year-old boy with a maxillary lateral incisor (tooth #10) presenting with Oehlers type II dens invaginatus and diagnosed with previously initiated therapy and asymptomatic apical periodontitis. METHODS: A regenerative endodontic procedure (REP) was performed for the tooth but complicated by apically displaced mineral trioxide aggregate (MTA). Clinical and radiographic examination was undertaken yearly, and a cone-beam computed tomography scan was taken to investigate further the formation of hard tissues within the root canal...
December 29, 2016: Journal of Endodontics
https://www.readbyqxmd.com/read/28032041/in-vitro-and-ex-vivo-microbial-leakage-assessment-in-endodontics-a-literature-review
#19
REVIEW
Sohrab Tour Savadkouhi, Hengameh Bakhtiar, Safoura Emami Ardestani
The aim of this study was to perform a literature review of published in-vitro and ex-vivo studies, which evaluated microbial leakage in endodontics in the past 10 years. A comprehensive electronic literature search was carried out in PubMed database for English articles published from 2005 to 2016 using the keywords "endodontics," "in vitro," "ex vivo," "microbial leakage," "microbial penetration," "saliva," "Enterococcus faecalis," "E. faecalis," "endodontic sealers," "temporary filling material," "apical plug," "mineral trioxide aggregate," and "MTA...
November 2016: Journal of International Society of Preventive & Community Dentistry
https://www.readbyqxmd.com/read/28000038/management-of-pulps-exposed-during-carious-tissue-removal-in-adults-a-multi-national-questionnaire-based-survey
#20
Lina Stangvaltaite, Falk Schwendicke, Christopher Holmgren, Marion Finet, Marisa Maltz, Karim Elhennawy, Eero Kerosuo, Sophie Doméjean
OBJECTIVES: The aim of the present study was to investigate and compare the management of pulps exposed during carious tissue removal by French, German, and Norwegian general dental practitioners (GDPs). We further aimed to assess possible dentist- and patient-related factors associated with these management decisions. MATERIALS AND METHODS: A structured questionnaire was send via mail to a simple random sample of dentists. RESULTS: The analyzed sample consisted of 661 (33%) French GDPs, 622 (25%) German GDPs, and 199 (34%) Norwegian GDPs...
December 20, 2016: Clinical Oral Investigations
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