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Calcium Compounds (8):
Recent article
Calcium Compounds
Abstract
The effect of calcium concentration on the biofilm structure, microbiology, and treatment performance was evaluated in a moving-bed biofilm reactor. Three experiments were conducted in replicate laboratory-scale reactors to determine if wastewater calcium is an important variable for the design and o...
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PMID: 21466070
PDF is available here.
PDF is available here.
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Abstract
Bone tissue engineering success strongly depends on our ability to develop new materials combining osteoconductive, osteoinductive and osteogenic properties. Recent studies suggest that biomaterials incorporating silanol (Si-OH) groups promote and maintain osteogenesis. The purpose o...
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PMID: 20653041
PDF is available here.
PDF is available here.
Abstract
Mono-dispersed SiO(2)-CaO bioactive glass nanospheres (BGNS) were prepared by a two step sol-gel method in the absence of surfactant. The size of BGNS ranged from 200 to 350 nm in diameter and exhibited a rough surface texture. In vitro biomineralization tests showed that BGNS could...
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PMID: 20725980
PDF is available here.
PDF is available here.
Abstract
This paper analyzes the natural desulfurization process taking place in coal-fired units using Greek lignite. The dry scrubbing capability of Greek lignite appears to be extremely high under special conditions, which can make it possible for the units to operate within the legislative limits of sulf...
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PMID: 21090555
PDF is available here.
PDF is available here.
Abstract
Noroviruses and hepatitis A virus (HAV) are common causes of foodborne disease. They are usually shed in feces and have been found in sewage water, biosolids, and animal manures. With the wide application of manure and biosolids on agricultural lands, there is an increasing interest in investigating...
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PMID: 20455755
PDF is available here.
PDF is available here.
Abstract
A considerable number of agents are effective in the treatment of dentin hypersensitivity. This 6-week randomized clinical trial compares a dentifrice containing calcium sodium phosphosilicate to potassium nitrate and to a placebo.
A total of 110 subjects (58 males and 52 females; aged 20 to 60 year...
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PMID: 20370417
PDF is available here.
PDF is available here.
Journal of Endodontics (36)8 2010
Abstract
GMTA expanded significantly more than WMTA; however, varying the WP ratio did not affect the setting expansion.
Published by Elsevier Inc....
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PMID: 20647100
PDF is available here.
PDF is available here.
Journal of Endodontics (36)8 2010
Abstract
The mean distances from the newly regenerated bone were 0.397 +/- 0.278 mm in the MTA group, 0.756 +/- 0.581 mm in the SuperEBA group, and 1.290 +/- 0.386 mm in the amalgam group. There was a statistically significant difference between the amalgam and MTA groups (p < 0.05). No significant differenc...
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PMID: 20647089
PDF is available here.
PDF is available here.
Journal of Endodontics (36)8 2010
Abstract
MTA induced a time-dependent proinflammatory cytokine up-regulation up to 3 days. Immunohistochemical analyses showed an up-regulated expression of myeloperoxidase, nuclear factor-kappa B, activating protein-1, cyclooxygenase-2, inducible nitric oxide synthase, and vascular endothelial growth factor...
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PMID: 20647094
PDF is available here.
PDF is available here.
Journal of Endodontics (36)8 2010
Abstract
This study indicated that storage temperature might influence surface hardness and microstructure of WMTA.
Copyright 2010 American Association of Endodontists. Published by Elsevier Inc. All rights reserved....
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PMID: 20647108
PDF is available here.
PDF is available here.
Abstract
Studies were done to determine whether calcium hypochlorite (Ca(OCl)(2)) and chlorine dioxide (ClO(2)) treatment followed by drying had a synergistic killing effect on microorganisms on radish seeds intended for sprout production. Uninoculated radish seeds and seeds inoculated with Escherichia coli...
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PMID: 20615334
PDF is available here.
PDF is available here.
Abstract
We accomplished efficient precipitation of ammonium from concentrated industrial waste stream by using magnesium oxide (MgO) both as a source of magnesium ions and as a base. Best results were obtained with technical-grade MgO, which provided 99% removal of ammonium. Moreover, ammonium removal occur...
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PMID: 20669719
PDF is available here.
PDF is available here.
Journal of Endodontics (36)7 2010
Abstract
All sealers exhibited severe toxicity after 24 hours, after which toxicity decreased gradually over the experimental period except for Pulp Canal Sealer, which remained severely toxic. Toxicity of the extracts derived from the sealers was concentration dependent, with those derived from the experime...
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PMID: 20630291
PDF is available here.
PDF is available here.
Journal of Hazardous Materials (178)1-3 2010
Abstract
In this work, the application of response surface and neural network models in predicting and optimizing the preparation variables of RHA/CaO/CeO(2) sorbent towards SO(2)/NO sorption capacity was investigated. The sorbents were prepared according to central composite design (CCD) with four independe...
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PMID: 20137857
PDF is available here.
PDF is available here.
Journal of Hazardous Materials (178)1-3 2010
Modeling dry-scrubbing of gaseous HCl with hydrated lime in cyclones with and without recirculation.
Abstract
A mathematical model describing the dry-scrubbing of gaseous hydrogen chloride (HCl) with solid hydrated lime particles (Ca(OH)(2)) was developed and experimentally verified. The model applies to cyclone systems with and without recirculation, where reaction and particle collection occurs in the sam...
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PMID: 20185231
PDF is available here.
PDF is available here.
Abstract
We observed surfaces and cross sections of thin hydroxyapatite (HA)-coated implants produced by the thermal decomposition method in a patient attending our clinic who underwent implant removal at 80 months due to fracture of the implants. On the implant surfaces of the removed sample, most of the HA...
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PMID: 20594064
PDF is available here.
PDF is available here.
Abstract
Hollow calcium silicate hydrate (CSH) microspheres with diameters around 1 microm were synthesized by a surfactant-assisted sonochemical route, and the products were characterized by XRD, SEM, FETEM and BET techniques. The results suggested that the ultrasound radiation, surfactant and Ca source wer...
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PMID: 20207574
PDF is available here.
PDF is available here.
Abstract
The NMR parameters obtained from solid-state DFT calculations within the GIPAW approach for (17)O- and (69/71)Ga-sites in a range of predominantly oxide-based (group II monoxides, SrTiO(3), BaZrO(3), BaSnO(3), BaTiO(3), LaAlO(3), LaGaO(3), SrZrO(3), MgSiO(3) and Ba(2)In(2)O(5)), and gallate (alpha-...
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PMID: 20335059
PDF is available here.
PDF is available here.
Journal of Endodontics (36)5 2010
Abstract
MTA appears to be more effective than calcium hydroxide for maintaining long-term pulp vitality after direct pulp capping. The immediate and definitive restoration of teeth after direct pulp capping should always be aimed for.
Copyright (c) 2010 American Association of Endodontists. Published by El...
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PMID: 20416424
PDF is available here.
PDF is available here.
Journal of Endodontics (36)5 2010
Abstract
The greatest mean push-out bond strength (7.28 +/- 2.28 MPa) was observed after exposure to a pH value of 7.4. The values decreased to 2.47 +/- 0.61 MPa after exposure to a pH value of 4.4. There were significant differences between the groups (p < 0.001). Inspection of the samples revealed the bond...
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PMID: 20416436
PDF is available here.
PDF is available here.
Journal of Endodontics (36)5 2010
Abstract
CEM cement and MTA were associated with regenerative periapical tissue response when used as root-end filling biomaterials.
Copyright (c) 2010 American Association of Endodontists. Published by Elsevier Inc. All rights reserved....
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PMID: 20416429
PDF is available here.
PDF is available here.
Journal of Endodontics (36)5 2010
Abstract
All the groups showed grade III inflammation after 7 and 15 days; there was a decrease in the inflammatory process after 30, 60, and 90 days. After 90 days, gray MTA, white MTA, and control groups had grade 0 inflammatory process, but gray Portland cement and white Portland cement groups showed grad...
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PMID: 20416442
PDF is available here.
PDF is available here.
Journal of Endodontics (36)5 2010
Abstract
Immunohistologic analysis demonstrated that MTA showed similar results when compared with Ca(OH)(2) within the first week after direct pulp capping.
Copyright (c) 2010 American Association of Endodontists. Published by Elsevier Inc. All rights reserved....
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PMID: 20416425
PDF is available here.
PDF is available here.
Journal of Endodontics (36)5 2010
Abstract
ESEM and micro-Raman are powerful and suitable techniques to investigate endodontic calcium silicate hydrated cements in real time and in their humid state without inducing artifacts by sample preparation. The formation of apatite spherulites on calcium silicate cements might have clinical relevance...
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PMID: 20416432
PDF is available here.
PDF is available here.
British Dental Journal (208)7 2010
Abstract
A case report of severe external inflammatory root resorption is presented. The patient reported with a complaint of increased tooth mobility after avulsion and replantation. The case was treated with full root canal obturation with mineral trioxide aggregate. A 48 month follow up review showed arre...
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PMID: 20379243
PDF is available here.
PDF is available here.
Abstract
We developed a novel alkoxide method to get "calcium titanate with calcium carbonate" (CaTiO(3)-CaCO(3)). The objective was to evaluate the crystallinity and elemental composition of CaTiO(3)-CaCO(3) prepared by alkoxide method, CaTiO(3)-aC elaborated by modified thermal decomposition method, commer...
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PMID: 19562752
PDF is available here.
PDF is available here.
Chemosphere (79)6 2010
Abstract
The mineral-based filter material Polonite was tested for its PO4 removal capacity in column and full-scale systems using synthetic and domestic wastewater. Three long-term experiments (67, 68 and 92 wk), operated under different hydrological conditions, were compared. The best PO4 removal capacity...
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PMID: 20219233
PDF is available here.
PDF is available here.
Abstract
Lime and soda-ash softening of reclaimed water reverse osmosis concentrates as a pretreatment step for concentration by seawater reverse osmosis was the focus of this study. The objectives were removal of the potential fouling minerals of calcium, magnesium, and silica by selective precipitation, wh...
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PMID: 20432652
PDF is available here.
PDF is available here.
Abstract
Arsenic and lead concentrations were the highest in GPC (P < .05). GPC had much more of 7 heavy metals than the other 3 cements (P < .05). GMTA and WMTA had higher purity than GPC and WPC (P < .05), particularly when arsenic content was considered. CONCLUSION: If a clinician is considering using Por...
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PMID: 20303061
PDF is available here.
PDF is available here.
Abstract
Solid waste management in developing countries is often unsustainable, relying on uncontrolled disposal in waste dumps. Particular problems arise from the disposal of treatment residues generated by removing arsenic (As) from drinking water because As can be highly mobile and has the potential to le...
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PMID: 20153878
PDF is available here.
PDF is available here.
Poultry Science (89)3 2010
Abstract
Studies were conducted to determine the effects of various sanitizing compounds on the microbial and physical quality of shell egg processing vacuum loader cups. The sanitizing compounds used were as follows: sterile, distilled water; 200 microL/L of sodium hypochlorite; 200 microL/L of calcium hypo...
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PMID: 20181875
PDF is available here.
PDF is available here.
Abstract
MTA-induces the release of neutrophil chemotactic factor substances from macrophages and mast cells with participation of IL-1beta, MIP-2, and LTB(4).
Copyright 2010 Mosby, Inc. All rights reserved....
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PMID: 20219579
PDF is available here.
PDF is available here.
Abstract
For both set and fresh samples, there were no significant cell viability differences among GMTA, WMTA, and ERRM. Cell viability in the AH26 group was less than in all of the other 3 materials. CONCLUSION: This study suggests that ERRM may have cell viability similar to GMTA and WMTA in both set and...
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PMID: 20219576
PDF is available here.
PDF is available here.
Journal of Endodontics (36)3 2010
Abstract
The present study demonstrated that MTA and CS cements are biocompatible with primary cultured pulp cells. Both cements can induce inflammatory COX-2 expression in the pulp cells.
Copyright (c) 2010 American Association of Endodontists. Published by Elsevier Inc. All rights reserved....
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PMID: 20171364
PDF is available here.
PDF is available here.
Journal of Endodontics (36)3 2010
Abstract
On the basis of available information, it appears that MTA is the material of choice for some clinical applications. More clinical studies are needed to confirm its efficacy compared with other materials.
Copyright (c) 2010. Published by Elsevier Inc....
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PMID: 20171353
PDF is available here.
PDF is available here.
Journal of Endodontics (36)3 2010
Abstract
The clinical handling and washout resistance of the alternative materials were far superior to WMTA. The radiopacity, compressive strength, and washout resistance make Generex-A and Capasio materials suitable for further study. Ceramicrete-D was weaker, less radiopaque, and initially acidic.
Copyrig...
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PMID: 20171376
PDF is available here.
PDF is available here.
Journal of Endodontics (36)3 2010
Abstract
The bismuth oxide can be replaced by other radiopacifiers that do not affect the hydration mechanism of the resultant material.
Copyright (c) 2010 American Association of Endodontists. Published by Elsevier Inc. All rights reserved....
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PMID: 20171371
PDF is available here.
PDF is available here.
Abstract
Several studies reported superior healing results for ProRoot mineral trioxide aggregate (MTA; Dentsply Tulsa) cement in direct pulp capping when compared to calcium hydroxide. However, this could not be confirmed by other authors. The aim of this study was to compare the reaction of MTA-treated rat...
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PMID: 20165737
PDF is available here.
PDF is available here.
Hypertension (55)2 2010
Abstract
Abstract
The modified PCs had push-out strengths of 3-9.5 MPa after 1 month of immersion in water, while ProRoot MTA had 4.8 MPa. The push-out strength of PC fell after incubation in PBS for 1 month, while the push-out strength of ProRoot MTA increased. There were no significant changes in Clearfil SE Bond o...
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PMID: 20437727
PDF is available here.
PDF is available here.
Abstract
Concern has existed for almost 10 years regarding the safety and efficacy of formaldehyde-based medicaments like formocresol in dentistry. Formocresol has been shown to be therapeutically outdated for decades. While the use of formocresol around the world continues to drop, it still is utilized in a...
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PMID: 20232688
PDF is available here.
PDF is available here.
Abstract
I and II (control groups), empty polyethylene tubes were implanted in the extraction site and in the subcutaneous tissue, respectively; in Groups III and IV, polyethylene tubes filled with ProRoot MTA were implanted in the extraction site and in the subcutaneous tissue, respectively. The animals wer...
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PMID: 20379685
PDF is available here.
PDF is available here.
Abstract
We have a wide armamentarium of PB but preferences of patients are poorly understood.
To study the patients' preferences and beliefs regarding PB and their influence on adherence and serum phosphate.
A cross-sectional cohort study was performed. A total of 121 hemodialysis patients answered a specif...
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PMID: 20613851
PDF is available here.
PDF is available here.
Abstract
Immunomodulation via IDO or TDO (tryptophan 2,3-dioxygenase) pathways, along with serum MCP-1 and GM-CSF are proposed to play roles in the anti-HBV mechanism of DCP based upon their coordinated modulation in the reduction of viral DNA replication in HBV mice....
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PMID: 20356392
PDF is available here.
PDF is available here.
Abstract
While theoretically advantageous, we found that omeprazole had little clinical benefit in reducing hypercalcemia in a population who are unable to afford non-calcium-based binders; however, further studies may be warranted....
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PMID: 20349423
PDF is available here.
PDF is available here.
Neotropical Entomology (39)4 2010
Abstract
We evaluated the efficiency of alternative products to control T. evansi on tomato plants under greenhouse conditions. The products tested were lime sulphur and neem based products. We first estimated the lethal concentration (LC) and instantaneous rate of increase (r i) of T. evansi exposed to diff...
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PMID: 20878004
PDF is available here.
PDF is available here.
Abstract
We prepared sufficient amount of antigen that is required for generation of specific monoclonal recombinant antibodies against Immunodominant membrane protein (IMP) which will be exploited for plantibody-mediated resistance approach. The gene encoding IMP protein was obtained by PCR amplification us...
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PMID: 21534492
PDF is available here.
PDF is available here.
Biofouling (26)2 2010
Abstract
Despite its frequent use in terrestrial and freshwater systems, there is a lack of published experimental research examining the effectiveness of spray-delivered chemicals for the management of non-indigenous and/or unwanted pests in marine habitats. This study tested the efficacy of spraying acetic...
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PMID: 19937489
PDF is available here.
PDF is available here.
Abstract
The Renagel in New Dialysis (RIND) extension study and the Dialysis Clinical Outcomes Revisted (DCOR) study were the first clinical trials to compare the effects of calcium-based phosphate binders and sevelamer hydrochloride on mortality in hemodialysis patients. Based on the results of these and ot...
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PMID: 20211816
PDF is available here.
PDF is available here.
Abstract
A rare case of right eye lime burns resulting in total conjunctival defect, enucleation, and fused eyelids is reported. This article describes total conjunctival sac reconstruction using a split-thickness skin graft combined with a spherical orbital implant, which may be a good choice for treating s...
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PMID: 20090486
PDF is available here.
PDF is available here.
Abstract
Our findings showed that most gallstones were composed of pigment stones with relative large proportion of cholesterol stones, whereas previous study in Caucasian reported predominance of cholesterol stones. These findings indicate the influence of diet and chronic haemolysis in the stones formation...
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PMID: 20146977
PDF is available here.
PDF is available here.
Operative Dentistry (35)3 2010
Abstract
Studies show that human permanent teeth with carious pulpal exposures can result in a high clinical success rate when treated with pulpotomy and direct pulp capping with mineral trioxide aggregate (MTA pulpotomy). In this case report, a 19-year-old female patient with a second premolar with irrevers...
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PMID: 20533639
PDF is available here.
PDF is available here.
Operative Dentistry (35)1 2010
Abstract
The current study estimated pulpal vitality after MTA pulp caps were performed by undergraduate student clinicians. At recall after 12 to 27 months, 51 pulp caps were clinically and radiographically assessed. Kaplan-Meier analyses were used to estimate overall success at 12 and 24 months, determined...
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PMID: 20166407
PDF is available here.
PDF is available here.
Abstract
The purpose of this study was to investigate the enamel remineralization potential of two toothpastes, one of which was based on Recaldent (CPP- ACP) and the other on NovaMin (Calcium-sodium-phosphosilicate). Human permanent molar teeth were subjected to three consecutive demineralization cycles. The...
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PMID: 21638965
PDF is available here.
PDF is available here.
Abstract
The purpose of this investigation was to evaluate the physicochemical properties of gray and white structural and nonstructural Portland cement, gray and white ProRoot MTA and MTA BIO. The water/powder ratio, setting time, solubility and pH (hydrogen-ion potential) changes of the materials were evalu...
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PMID: 21638956
PDF is available here.
PDF is available here.
Abstract
An analysis of results of surgical treatment of 50 patients aged from 16 to 75 years with different diseases of the thyroid has shown that the frequency of decrease of the level of calcium and parathormone becomes less in the row: diffuse toxic goiter, cancer of the thyroid gland, polynodous euthyro...
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PMID: 20552788
PDF is available here.
PDF is available here.
Abstract
Calcium hydroxide (CH) has been reported to have several drawbacks when used for apexification. Mineral Trioxide Aggregate (MTA) has generated considerable interest as an alternative. Two different cases are reported using MTA for apexification. In the first case an incomplete CH barrier was used as...
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PMID: 20578654
PDF is available here.
PDF is available here.
Abstract
The purpose of this study was to evaluate the efficacy of Mineral trioxide aggregate (MTA) clinically and radiographically as material used to induce root end closure in nonvital permanent teeth with immature apices (apexification) in children.
The study included 30 n...
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PMID: 21417116
PDF is available here.
PDF is available here.
Abstract
This report describes the 24-month clinical and radiographic outcome of an unintentionally extruded mineral trioxide aggregate (MTA) apical plug. A 9 year old boy presented with a previously traumatized, immature central incisor; associated with a large periradicular lesion. During p...
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PMID: 21417115
PDF is available here.
PDF is available here.
Abstract
A 20-year-old vegetarian man was admitted to our hospital complaining of muscle weakness and gait disturbances of 4 years duration. For the past 5 years, he had major depression and had confined himself at home. He exhibited tenderness upon palpation of the chest, sternum and proximal muscles. Hypoc...
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PMID: 20051755
PDF is available here.
PDF is available here.