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https://www.readbyqxmd.com/read/25218527/effect-of-additives-on-mineral-trioxide-aggregate-setting-reaction-product-formation
#1
Angela M Zapf, Sharath C V Chedella, David W Berzins
INTRODUCTION: Mineral trioxide aggregate (MTA) sets via hydration of calcium silicates to yield calcium silicate hydrates and calcium hydroxide (Ca[OH]2). However, a drawback of MTA is its long setting time. Therefore, many additives have been suggested to reduce the setting time. The effect those additives have on setting reaction product formation has been ignored. The objective was to examine the effect additives have on MTA's setting time and setting reaction using differential scanning calorimetry (DSC)...
January 2015: Journal of Endodontics
https://www.readbyqxmd.com/read/22858702/sealability-of-mta-and-calcium-hydroxidecontaining-sealers
#2
João Eduardo Gomes-Filho, Jaqueline Viana Moreira, Simone Watanabe, Carolina Simonetti Lodi, Luciano Tavares Angelo Cintra, Eloi Dezan Junior, Pedro Felício Estrada Bernabé, Mauro Juvenal Nery, José Arlindo Otoboni Filho
OBJECTIVES: The aim of this study was to evaluate the apical sealability of Fillapex®, endo-CPM-Sealer® and Sealapex®. MATERIAL AND METHODS: Ninety-four freshly extracted single-rooted teeth were selected and decoronated. All teeth were radiographed to confirm the existence of a single and straight root canal, which was prepared using Protaper Universal and 2.5% sodium hypochlorite. The teeth were randomly divided in groups of 10 specimens each according to the sealer, and the canals were filled using the single cone technique and one of the sealers...
May 2012: Journal of Applied Oral Science: Revista FOB
https://www.readbyqxmd.com/read/22515906/the-effect-of-prior-calcium-hydroxide-intracanal-placement-on-the-bond-strength-of-two-calcium-silicate-based-and-an-epoxy-resin-based-endodontic-sealer
#3
Suzan Abdul Wanees Amin, Reham Saeed Seyam, Mohammed Abbas El-Samman
INTRODUCTION: The aim of this study was to investigate the effect of prior calcium hydroxide (Ca[OH](2)) intracanal placement on the bond strength of AH Plus (Dentsply DeTrey GmbH, Konstanz, Germany), iRoot SP (Innovative Bioceramix, Vancouver, BC, Canada), and MTA Fillapex (Angelus Soluções Odontológicas, Londrina, PR, Brazil). METHODS: The root canals of 90 human incisor teeth were prepared with the ProTaper System (Dentsply Maillefer, Ballaigues, Switzerland) up to a master apical file size of F5...
May 2012: Journal of Endodontics
https://www.readbyqxmd.com/read/22322021/revascularization-of-immature-permanent-incisors-after-severe-extrusive-luxation-injury
#4
Zafer C Cehreli, Sezgi Sara, Burak Aksoy
Pulp necrosis is an uncommon sequel to extrusive luxation in immature teeth with incomplete apical closure. In this report, we describe the management of severely extruded immature maxillary incisors and the outcome of revascularization to treat subsequent pulp necrosis. An 8.5-Year-old boy with severe dentoalveolar trauma to the anterior maxillary region as a result of a fall was provided emergency treatment consisting of reduction of the dislodged labial cortical bone and repositioning of the central incisors, which had suffered extrusive luxation...
2012: Journal—Canadian Dental Association, Journal de L'Association Dentaire Canadienne
https://www.readbyqxmd.com/read/22077958/responses-of-immature-permanent-teeth-with-infected-necrotic-pulp-tissue-and-apical-periodontitis-abscess-to-revascularization-procedures
#5
M Y-H Chen, K-L Chen, C-A Chen, F Tayebaty, P A Rosenberg, L M Lin
AIM: To report several types of response of immature permanent teeth with infected necrotic pulp tissue and either apical periodontitis or abscess to revascularization procedures. METHODOLOGY: Twenty immature permanent teeth with infected necrotic pulp tissue and either apical periodontitis or abscesses from 20 patients were included. The teeth were isolated with rubber dam, and pulp chambers was accessed through the crowns. The canals were gently irrigated with 5...
March 2012: International Endodontic Journal
https://www.readbyqxmd.com/read/22007726/odontoblast-like-cell-numbers-and-reparative-dentine-thickness-after-direct-pulp-capping-with-platelet-rich-plasma-and-enamel-matrix-derivative-a-histomorphometric-evaluation
#6
COMPARATIVE STUDY
E O Orhan, M Maden, B Senguüven
AIM: To collect quantitative information about the numbers of odontoblast-like cells and reparative dentine thickness after direct pulp capping with platelet-rich plasma (PRP) and enamel matrix derivative (EMD). METHODOLOGY: The experiment was conducted on 36 Wistar albino rats and a total of 144 incisor teeth. Calcium hydroxide, mineral trioxide aggregate, PRP and EMD were applied as direct capping agents on the pulps of 96 incisors (n = 24). Positive and negative control groups were created on the remaining 48 incisors...
April 2012: International Endodontic Journal
https://www.readbyqxmd.com/read/21419298/comparison-of-intracanal-endosequence-root-repair-material-and-proroot-mta-to-induce-ph-changes-in-simulated-root-resorption-defects-over-4-weeks-in-matched-pairs-of-human-teeth
#7
RANDOMIZED CONTROLLED TRIAL
Stephen W Hansen, J Gordon Marshall, Christine M Sedgley
INTRODUCTION: Intracanal mineral trioxide aggregate (MTA) may provide an alternative to calcium hydroxide in the treatment of external inflammatory root resorption. This in vitro study using human matched pairs of teeth compared white ProRoot MTA (WMTA; (Dentsply Tulsa Dental Specialties, Tulsa, OK) and an alternative material with purportedly improved handling properties, EndoSequence Root Repair Material (ES; Brasseler USA, Savannah, GA), by measuring pH in simulated root surface resorptive defects after intracanal placement...
April 2011: Journal of Endodontics
https://www.readbyqxmd.com/read/21329832/a-new-technique-for-nonsurgical-retreatment-of-teeth-with-amalgam-root-end-fillings-case-series
#8
Terrell F Pannkuk
INTRODUCTION: The objective of this article was to show an alternative clinical approach to retreating teeth having had prior combined nonsurgical and surgical endodontic treatment with retrograde amalgam fillings. Nonsurgical retreatment performed alone has historically presented numerous challenges for the clinician and an uncertain outcome for the patient. Surgical retreatment has the potential disadvantages of additional root shortening, bone loss, and scarring. METHODS: Four cases are presented with recalls up to 5...
March 2011: Journal of Endodontics
https://www.readbyqxmd.com/read/21092820/effects-of-root-canal-irrigants-on-the-push-out-strength-and-hydration-behavior-of-accelerated-mineral-trioxide-aggregate-in-its-early-setting-phase
#9
Seong-Tae Hong, Kwang-Shik Bae, Seung-Ho Baek, Kee-Yeon Kum, Won-Jun Shon, Woocheol Lee
INTRODUCTION: The purpose of this study was to evaluate the effects of endodontic irrigants on the push-out strength and hydration behavior of accelerated mineral trioxide aggregate (MTA) in its early setting phase. METHODS: In an in vitro perforation model, MTA with or without 10% CaCl(2) was condensed and allowed to initial set for 10 minutes. The samples were divided into four groups (n = 10) to be immersed into either 3.5% sodium hypochlorite (NaOCl) or 2% chlorhexidine gluconate (CHX) for 30 minutes and then allowed to set for 48 hours...
December 2010: Journal of Endodontics
https://www.readbyqxmd.com/read/21078075/management-of-trauma-induced-inflammatory-root-resorption-using-mineral-trioxide-aggregate-obturation-two-year-follow-up
#10
Irem Güzeler, Serdar Uysal, Zafer C Cehreli
Inflammatory root resorption is a serious complication of dental trauma, which leads to progressive loss of the root structure. This report describes the treatment a previously traumatized young maxillary lateral incisor, severely affected by inflammatory root resorption. An 11-year-old boy presented with pain and mobility in his maxillary incisors which experienced fall trauma 2 years earlier. Radiographic examination revealed incomplete root development of the right central incisor, associated with advanced inflammatory root resorption and a periapical lesion...
December 2010: Dental Traumatology: Official Publication of International Association for Dental Traumatology
https://www.readbyqxmd.com/read/20433980/treatment-of-the-immature-tooth-with-a-non-vital-pulp-and-apical-periodontitis
#11
REVIEW
Martin Trope
Traditional methods of treatment of immature root with necrotic pulp and apical periodontitis pose multiple challenges. These challenges include disinfection of the root canal with standard protocols that aggressively use endodontic files, filling the root canal with an open apex that provides no barrier for stopping the root filling material before impinging on the periodontal tissues, and the susceptibility of the teeth to fracture because of their thin roots. Disinfection using sodium hypochlorite, apical barrier formation using calcium hydroxide as well as mineral trioxide aggregate, and pulp revascularization of fractured tooth with the help of blood clot and collagen-enhanced matrix has been discussed in detail in this article...
April 2010: Dental Clinics of North America
https://www.readbyqxmd.com/read/19801247/management-of-a-perforating-internal-resorptive-defect-with-mineral-trioxide-aggregate-a-case-report
#12
Emre Altundasar, Becen Demir
INTRODUCTION: A radicular perforation caused by an inflammatory internal root resorption was present in a maxillary lateral incisor. METHODS: The root canal preparation was completed with hand files and thorough irrigation. Calcium hydroxide was placed as a temporary dressing for 10 days. At the second visit, the root canal with resorption lacuna was filled with warm vertical compaction of gutta-percha. The coronal access was restored with composite resin. A surgical flap was elevated to repair the resorption defect with gray mineral trioxide aggregate...
October 2009: Journal of Endodontics
https://www.readbyqxmd.com/read/19455934/case-report-pulp-revascularization-of-a-necrotic-infected-immature-permanent-tooth
#13
Blayne Thibodeau
The purpose of this report is to present the case of a patient wherein revascularization of the necrotic infected pulp space of an immature permanent maxillary central incisor tooth was induced in vivo by stimulation of a blood clot from the periapical tissues into the canal space. This was achieved after disinfecting the canal space with a topical antibiotic paste followed by inducing a blood clot scaffold from the periapical tissues. This treatment approach offers great potential to avoid the need for traditional apexification with calcium hydroxide or the need to achieve an artificial apical barrier with mineral trioxide aggregate...
March 2009: Pediatric Dentistry
https://www.readbyqxmd.com/read/19166764/regenerative-endodontic-treatment-for-necrotic-immature-permanent-teeth
#14
Ling-Huey Chueh, Yi-Ching Ho, Tien-Chun Kuo, Wing-Hong Lai, Yea-Huey Melody Chen, Chun-Pin Chiang
This retrospective study included 23 necrotic immature permanent teeth treated for either short-term (treatment period <3 months) or long-term (treatment period >3 months) using conservative endodontic procedures with 2.5% NaOCl irrigations without instrumentation but with Ca(OH)(2) paste medication. For seven teeth treated short-term, the gutta-percha points were filled onto an artificial barrier of mineral trioxide aggregate (MTA). For 16 teeth treated long-term, the gutta-percha points, amalgam, or MTA were filled onto the Ca(OH)(2)-induced hard tissue barrier in the root canal...
February 2009: Journal of Endodontics
https://www.readbyqxmd.com/read/19089289/sealing-ability-of-grar-mta-angelustm-cpm-tm-and-mbpc-used-as-apical-plugs
#15
Fernando Accorsi Orosco, Clovis Monteiro Bramante, Roberto Brandão Garcia, Norberti Bernadineli, Ivaldo Gomes de Moraes
This study evaluated the sealing ability of apical plugs fabricated with gray MTA Angelus sealer, CPM TM sealer and MBPc sealer. The root canals of 98 extracted single-rooted human teeth were instrumented with #5 to #1 Gates Glidden drills according to the crown-down technique until the #1 drill could pass through the apical foramen. The specimens were then prepared with K-files, starting with an ISO 50 until an ISO 90 could be visualized 1 mm beyond the apex. After root canal preparation, the external surface of each root was rendered impermeable and roots were assigned to 3 experimental groups (n = 30), which received a 5-mm thick apical plug of gray MTA Angelus, CPM and MBPc, and two control groups (n=4)...
January 2008: Journal of Applied Oral Science: Revista FOB
https://www.readbyqxmd.com/read/18793914/retrospective-analysis-of-open-apex-teeth-obturated-with-mineral-trioxide-aggregate
#16
David E Witherspoon, Joel C Small, John D Regan, Martha Nunn
This study is a retrospective analysis of the outcome of initial nonsurgical root canal treatment of teeth with open apices, obturated with mineral trioxide aggregate when no apical barrier existed. One hundred sixteen patients from a single private endodontic office were treated between 1999 and 2006. Treatments on 144 teeth were completed either in one (92/144) or two visits with an interim calcium hydroxide interappointment medication (52/144). Fifty-four percent (78/144) of the teeth were available for recall (60...
October 2008: Journal of Endodontics
https://www.readbyqxmd.com/read/18615987/vital-pulp-therapy-with-new-materials-new-directions-and-treatment-perspectives-permanent-teeth
#17
REVIEW
David E Witherspoon
Pulp necrosis in immature teeth subsequent to caries has a major impact on long-term tooth retention. The aim of vital pulp therapy is to maintain pulp viability by eliminating bacteria from the dentin-pulp complex and to establish an environment in which apexogenesis can occur. A complicating factor in treating immature teeth is the difficulty predicting the degree of pulpal damage. The ability of the clinician to manage the health of the remaining pulpal tissue during the procedure is paramount. Currently, the best method appears to be the ability to control pulpal hemorrhage by using sodium hypochlorite...
May 2008: Pediatric Dentistry
https://www.readbyqxmd.com/read/18615986/vital-pulp-therapy-with-new-materials-for-primary-teeth-new-directions-and-treatment-perspectives
#18
REVIEW
Anna B Fuks
Vital pulp therapy aims to treat reversible pulpal injury and includes 2 therapeutic approaches: (1) indirect pulp treatment for deep dentinal cavities and (2) direct pulp capping or pulpotomy in cases of pulp exposure. Indirect pulp treatment is recommended as the most appropriate procedure for treating primary teeth with deep caries and reversible pulp inflammation, provided that this diagnosis is based on a good history, a proper clinical and radiographic examination, and that the tooth has been sealed with a leakage-free restoration...
May 2008: Pediatric Dentistry
https://www.readbyqxmd.com/read/18565368/vital-pulp-therapy-with-new-materials-new-directions-and-treatment-perspectives-permanent-teeth
#19
REVIEW
David E Witherspoon
Pulp necrosis in immature teeth subsequent to caries has a major impact on long-term tooth retention. The aim of vital pulp therapy is to maintain pulp viability by eliminating bacteria from the dentin-pulp complex and to establish an environment in which apexogenesis can occur. A complicating factor in treating immature teeth is the difficulty predicting the degree of pulpal damage. The ability of the clinician to manage the health of the remaining pulpal tissue during the procedure is paramount. Currently, the best method appears to be the ability to control pulpal hemorrhage by using sodium hypochlorite...
July 2008: Journal of Endodontics
https://www.readbyqxmd.com/read/18565366/vital-pulp-therapy-with-new-materials-for-primary-teeth-new-directions-and-treatment-perspectives
#20
REVIEW
Anna B Fuks
Vital pulp therapy aims to treat reversible pulpal injury and includes 2 therapeutic approaches: (1) indirect pulp treatment for deep dentinal cavities and (2) direct pulp capping or pulpotomy in cases of pulp exposure. Indirect pulp treatment is recommended as the most appropriate procedure for treating primary teeth with deep caries and reversible pulp inflammation, provided that this diagnosis is based on a good history, a proper clinical and radiographic examination, and that the tooth has been sealed with a leakage-free restoration...
July 2008: Journal of Endodontics
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