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    48670 research outputs found

    The Resin Bond to High-Translucent Zirconia—A Systematic Review

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    Objectives: Several systematic literature reviews have assessed the scientific evidence on resin bonding protocols to conventional 3 mol% ytrria-stabilized zirconia (3Y-TZP) ceramics. It has been widely discussed, however, that the differing composition and physical properties of new high-translucent zirconia generations (4Y-TZP and 5Y-TZP) may require alternative bonding materials and procedures. This paper reviewed in vitro studies on the success and durability of bonding protocols to high-translucent zirconia. Material and methods: A systematic search of PubMed and Cochrane Library for in vitro studies on bonding to new zirconia generations published until November 2020 was conducted and complemented by a manual search. Studies selected for review fulfilled the applied inclusion and exclusion criteria. The quality of the included studies was assessed with the Cochrane risk-of-bias tool for randomized trials. Results: Of 629 screened articles, 18 were included in this review. They investigated different surface pretreatment methods, primers, resin cements, aging procedures, and bond strength test protocols. The limited number of the identified studies and the heterogeneity of the extracted data did not allow to conduct a meta-analysis. Conclusions: The available evidence suggests that resin bonding protocols successfully applied to conventional zirconia are also the most successful for high-translucent zirconia. Airborne particle abrasion and special phosphate monomer-containing primers or composite resin cements provide long-term durable resin bonds. Clinical significance: Durable bonds can be established between high-translucent zirconia and resin cements. The bonding materials and procedures applied do not compromise their physical properties. © 2022 Wiley Periodicals LLC

    Collation Model for LJS 452: Ex quo vocabularii varii [et] aute[n]tici.

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    Alphabetical dictionary of Latin words and names with parts of speech and definitions given by Latin synonym, Latin explanation, German equivalent, German explanation, or a combination of these methods. Introductory paragraph in Latin refers to and criticizes previous lexicographical works and emphasizes the benefits of alphabetical arrangement.https://repository.upenn.edu/sims_models/1140/thumbnail.jp

    Collation Model for LJS 184: Liber ethimologiarum.

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    Encyclopedia with emphasis on word origins, arranged by subject. The manuscript follows the standard division into 20 books, except that Book 3, on mathematics, music, and astronomy, is divided into Books 3 and 4, giving the manuscript a total of 21 books. Additional astronomical material, probably from Bede\u27s De temporum ratione, appears at the end of Book 21 (f. 178v-183v), with the running head of Book 21 continuing to the end of the manuscript.https://repository.upenn.edu/sims_models/1139/thumbnail.jp

    Collation Model for Ms. Codex 918: [Regulae de longis et brevibus syllabis].

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    Didactic poem outlining the rules of syllabic usage in composition with marginal and interlinear commentary, and an anonymous treatise of prosody. The author, Theobaldus Episcopus, was also known as Tebaldus Placentinus, a cleric and noted verse writer, who may also have been Abbot of Montecassino from 1022 - 1035, the author of the Physiologus.https://repository.upenn.edu/sims_models/1132/thumbnail.jp

    Collation Model for Ms. Codex 161: Sentencia contra el Almine[?].

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    Notarial document from the province of Burgos in Spain.https://repository.upenn.edu/sims_models/1126/thumbnail.jp

    Penn Library\u27s LJS 380 - Pros mathēmatikous ... [etc.] (Video Orientation)

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    https://repository.upenn.edu/sims_video/1129/thumbnail.jp

    Barriers to Accessing Health Care in Hawaii\u27s Foster Youth

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    Foster youth (FY) face multiple barriers to accessing basic medical care and many are not given access to adequate mental health treatment after enduring the trauma of separation from their families. This thesis elevates FY\u27s voices, using their own narratives to examine the issues they face in receiving adequate medical care and mental health resources. The study includes semi-structured interviews to query the local understanding of FY\u27s health disparities. Deductive coding was used to search and highlight the sections of the interviews that touched on reoccurring themes. Several themes centered on the significant need for improved FY access to resources. The most common theme was that mental health was never addressed and that FY were not listened to or checked in on. Additionally, there was a repeated sentiment of bitter feelings and judgments. Further, many FY expressed a desire not to allow stigma or shame to shape their identities. The FY all expressed the desire to be heard, which related to their accounts of negligence from their caseworkers. There is an immense need for trauma-informed care and essential phycological services for every child and parent. This training should be extended to state workers, foster parents, therapists, and doctors in order to reduce mental health disparities faced by FY. Further, there is a need for access to high-quality health care and mental health services with trauma-based care available to every child who enters state care

    The Role of Community Museums in Museum Decolonization Discourse

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    By conducting research and a literature review of decolonization discourses and practices in museums, this research seeks to understand how a community-centered approach can contribute to the decolonization of encyclopedic museums. Decolonization practices such as transparency, collaboration, and repatriation were considered for how they hold museums accountable for their coloniality and how they centralize contemporary communities affected by colonialism. Two examples from the Penn Museum, the Africa Galleries and the Global Guides Program, were used to observe the nature of decolonial practices in encyclopedic museums. Through a literature review and interviews with curators and participants, these two examples show both the benefits and drawbacks of current decolonial practices. The second part of this research focuses on contemporary communities affected by colonization and the role of community museums as a method of centralization. An ongoing plan for a community museum in Indian Creek, Belize is utilized as a case study to exemplify this practice. A literature review about the importance of community museums in bringing marginalized groups out of the periphery contributes to the conclusion that a community-centered approach positively transforms the way identity and cultural heritage are represented in museums

    Trustworthiness in Banking: The Three Lines of Defense Model

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    The objective of this research is to explore how the Three Lines of Defense Model (“the Model”) can most effectively be leveraged by banking professionals to foster trustworthiness in the banking industry. The banking industry’s trustworthiness—or untrustworthiness—has the power to positively or adversely impact the lives of individuals, and the power to enhance or diminish global economic stability (Dia, 2011; Egan, 2017; Financial Stability Board, 2010). This research presents an overview of the literature on the Model, and findings gathered from a confidential online survey, reflecting insights from 43 banking professionals with first-hand experience working within the Model. When implemented strategically by dedicated banking professionals, the Three Lines of Defense Model serves as a highly effective framework for fostering trustworthiness in the banking industry

    Runaway Advertisements from Grenada, 1790-91 and 1798-99

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    Newspaper advertisements written and published by enslavers seeking the capture and return of enslaved people who had escaped. Published in the St Georges Chronicle and Grenada Gazette between July 1790 and January 1791, and between January 1798 and December 1799

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