Extensive research has documented the importance of neighborhood contextual factors in shaping maltreatment risk. Evidence is limited about the role of economic inequality within neighborhoods, which has increased substantially in the US over the past decade.
This study examines the relationship between neighborhood-level inequality and child maltreatment risk, paying particular attention to the cross-level interactions between neighborhood inequality and family income.
A population-based cohort of 4,898 children born in large US cities was sampled in 1998-2000 and followed up at ages 1, 3, 5, and 9.
A set of regression models was analyzed to estimate the associations of family income, neighborhood inequality (operationalized as terciles of the Gini coefficient), and the interaction of these with child maltreatment risk, operationalized as physical abuse, psychological abuse, neglect, CPS involvement, and spanking.
Low-income was associated with higher risks of neglect and CPS involvement, but not pentify the determinants of inequality at the neighborhood level and the underlying mechanisms of its association with child maltreatment risks.We describe a case of a young female who presented to the emergency department with 4 days of progressive myopia, dry mouth, anhidrosis and urinary hesitancy due to overuse of a new topical anticholinergic wipes, glycopyrronium tosylate (GT). In the United States medication misuse accounts for nearly 10% of pediatric emergency visits with 65% of these visits considered to be preventable [1]. Being familiar with new medications and their side effect profiles can prevent unnecessary or harmful interventions.We present an uncommon case of H1N1 triggered thyroid storm in a patient with previously undiagnosed Grave's Disease. This case illustrates the challenges of diagnosing thyroid storm in the emergency department and the importance of including it in the differential when treating more common diagnoses that fail to respond to usual therapies. Thyroid storm is an endocrinologic emergency and requires prompt recognition and treatment. However, it remains a diagnostic challenge as there is no laboratory test specific to thyroid storm. Diagnosis relies on clinical suspicion in corroboration with patient presentation, laboratory findings and response to therapy.
High-performance polymers have been recommended by their manufacturers as a framework material for implant-supported fixed prostheses. However, little is known about the surface roughness of high-performance polymers in different compositions and whether they require layering with a composite resin or acrylic resin on the tissue surface.
The purpose of this invitro study was to evaluate the surface roughness of different computer-aided design and computer-aided manufacture (***-CAM) high-performance polymers and the effect of polishing on their surface roughness.
Seventy high-performance polymer specimens (n=10) for 4 different polyetheretherketone (PEEK) brands (BRE, CP, ZZ, J), 1 polyetherketoneketone (PEKK) (PK), and 2 different fiber-reinforced composite resin (FRC) materials (T, TR) were milled from 7×8×30-mm ***-CAM blocks. The surface roughness (Ra) of each specimen was measured on the same surfaces after milling (baseline) and after polishing by using a contact profilometer. Two-way repeated meaace roughness values were above the clinical acceptability threshold of 0.2 μm.
Although luting space is related to the marginal fit of indirect restorations, information on its influence on the marginal fit and tensile strength of zirconia abutments bonded to titanium bases is lacking.
The purpose of this invitro study was to evaluate the influence of luting space on the marginal discrepancy and tensile strength of zirconia abutments bonded to a titanium base after dynamic loading.
Ninety implant replicas were embedded in resin blocks to attach 4-mm-high titanium luting bases. Zirconia abutments (Ceramill Zolid FX) were fabricated with different internal luting spaces 25 μm (G25), 50 μm (G50), or 75 μm (G75). The zirconia abutments were cemented on the titanium bases by using a resin cement (Panavia F 2.0) under a constant load of 20 N. https://www.selleckchem.com/ The marginal discrepancy and internal fit of 10 random specimens from each group were evaluated with a stereoscopic microscope at×50 magnification. The remaining specimens were submitted to the tensile strength testin which half were evaluated afteiscrepancy; however, it reduced the tensile strength of a zirconia abutment bonded to a titanium base.
Studies evaluating the accuracy of edentulous arch impressions encompassing conventional and digital methods are lacking.
The purpose of this invitro study was to evaluate 8 impression-making methods for edentulous arches and to determine the effects of using a 3-dimensionally printed polyetheretherketone (PEEK) scanning aid on the accuracy of intraoral scanners.
Three sets of edentulous arch typodonts were scanned with an industrial scanner as a reference. Subsequently, a scanning aid for the edentulous arch was individually designed on each reference scan dataset by using a 3-dimensional modeling software program and fabricated in PEEK with a 3-dimensional printer. Each typodont was scanned with 2 intraoral scanners 12 times, with and without the assistance of a scanning aid for the edentulous arch. Impressions were made with 4 different conventional impression materials (irreversible hydrocolloid, polysulfide, polyether, and polyvinyl siloxane)-12 times for each typodont-the casts were poured and diguare, and NMT concepts were applied (P<.05).
Intraoral scanners demonstrated accuracy comparable with that of conventional impression materials for making edentulous arch impressions, regardless of the concepts used to express the trueness and precision. The PEEK-based scanning aid for the edentulous arch did not improve the accuracy of the intraoral scanners; however, its application resulted in higher accuracy compared with that of conventional impression materials.
Intraoral scanners demonstrated accuracy comparable with that of conventional impression materials for making edentulous arch impressions, regardless of the concepts used to express the trueness and precision. The PEEK-based scanning aid for the edentulous arch did not improve the accuracy of the intraoral scanners; however, its application resulted in higher accuracy compared with that of conventional impression materials.
Extensive research has documented the importance of neighborhood contextual factors in shaping maltreatment risk. Evidence is limited about the role of economic inequality within neighborhoods, which has increased substantially in the US over the past decade.
This study examines the relationship between neighborhood-level inequality and child maltreatment risk, paying particular attention to the cross-level interactions between neighborhood inequality and family income.
A population-based cohort of 4,898 children born in large US cities was sampled in 1998-2000 and followed up at ages 1, 3, 5, and 9.
A set of regression models was analyzed to estimate the associations of family income, neighborhood inequality (operationalized as terciles of the Gini coefficient), and the interaction of these with child maltreatment risk, operationalized as physical abuse, psychological abuse, neglect, CPS involvement, and spanking.
Low-income was associated with higher risks of neglect and CPS involvement, but not pentify the determinants of inequality at the neighborhood level and the underlying mechanisms of its association with child maltreatment risks.We describe a case of a young female who presented to the emergency department with 4 days of progressive myopia, dry mouth, anhidrosis and urinary hesitancy due to overuse of a new topical anticholinergic wipes, glycopyrronium tosylate (GT). In the United States medication misuse accounts for nearly 10% of pediatric emergency visits with 65% of these visits considered to be preventable [1]. Being familiar with new medications and their side effect profiles can prevent unnecessary or harmful interventions.We present an uncommon case of H1N1 triggered thyroid storm in a patient with previously undiagnosed Grave's Disease. This case illustrates the challenges of diagnosing thyroid storm in the emergency department and the importance of including it in the differential when treating more common diagnoses that fail to respond to usual therapies. Thyroid storm is an endocrinologic emergency and requires prompt recognition and treatment. However, it remains a diagnostic challenge as there is no laboratory test specific to thyroid storm. Diagnosis relies on clinical suspicion in corroboration with patient presentation, laboratory findings and response to therapy.
High-performance polymers have been recommended by their manufacturers as a framework material for implant-supported fixed prostheses. However, little is known about the surface roughness of high-performance polymers in different compositions and whether they require layering with a composite resin or acrylic resin on the tissue surface.
The purpose of this invitro study was to evaluate the surface roughness of different computer-aided design and computer-aided manufacture (CAD-CAM) high-performance polymers and the effect of polishing on their surface roughness.
Seventy high-performance polymer specimens (n=10) for 4 different polyetheretherketone (PEEK) brands (BRE, CP, ZZ, J), 1 polyetherketoneketone (PEKK) (PK), and 2 different fiber-reinforced composite resin (FRC) materials (T, TR) were milled from 7×8×30-mm CAD-CAM blocks. The surface roughness (Ra) of each specimen was measured on the same surfaces after milling (baseline) and after polishing by using a contact profilometer. Two-way repeated meaace roughness values were above the clinical acceptability threshold of 0.2 μm.
Although luting space is related to the marginal fit of indirect restorations, information on its influence on the marginal fit and tensile strength of zirconia abutments bonded to titanium bases is lacking.
The purpose of this invitro study was to evaluate the influence of luting space on the marginal discrepancy and tensile strength of zirconia abutments bonded to a titanium base after dynamic loading.
Ninety implant replicas were embedded in resin blocks to attach 4-mm-high titanium luting bases. Zirconia abutments (Ceramill Zolid FX) were fabricated with different internal luting spaces 25 μm (G25), 50 μm (G50), or 75 μm (G75). The zirconia abutments were cemented on the titanium bases by using a resin cement (Panavia F 2.0) under a constant load of 20 N. https://www.selleckchem.com/ The marginal discrepancy and internal fit of 10 random specimens from each group were evaluated with a stereoscopic microscope at×50 magnification. The remaining specimens were submitted to the tensile strength testin which half were evaluated afteiscrepancy; however, it reduced the tensile strength of a zirconia abutment bonded to a titanium base.
Studies evaluating the accuracy of edentulous arch impressions encompassing conventional and digital methods are lacking.
The purpose of this invitro study was to evaluate 8 impression-making methods for edentulous arches and to determine the effects of using a 3-dimensionally printed polyetheretherketone (PEEK) scanning aid on the accuracy of intraoral scanners.
Three sets of edentulous arch typodonts were scanned with an industrial scanner as a reference. Subsequently, a scanning aid for the edentulous arch was individually designed on each reference scan dataset by using a 3-dimensional modeling software program and fabricated in PEEK with a 3-dimensional printer. Each typodont was scanned with 2 intraoral scanners 12 times, with and without the assistance of a scanning aid for the edentulous arch. Impressions were made with 4 different conventional impression materials (irreversible hydrocolloid, polysulfide, polyether, and polyvinyl siloxane)-12 times for each typodont-the casts were poured and diguare, and NMT concepts were applied (P<.05).
Intraoral scanners demonstrated accuracy comparable with that of conventional impression materials for making edentulous arch impressions, regardless of the concepts used to express the trueness and precision. The PEEK-based scanning aid for the edentulous arch did not improve the accuracy of the intraoral scanners; however, its application resulted in higher accuracy compared with that of conventional impression materials.
Intraoral scanners demonstrated accuracy comparable with that of conventional impression materials for making edentulous arch impressions, regardless of the concepts used to express the trueness and precision. The PEEK-based scanning aid for the edentulous arch did not improve the accuracy of the intraoral scanners; however, its application resulted in higher accuracy compared with that of conventional impression materials.
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