1,721,136 research outputs found

    Husserl, Cohen e Cassirer

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    In this essay, I will discuss the concept of historical teleology in Husserl, Cohen and Cassirer. I will distinguish between a “strong” and a “weak” teleology to define two paths that seem to enliven transcendental philosophy. On the one hand, the strong option is underpinned by more general hypotheses on the relationship concerning “consciousness” and “reality”, “thought” and “being”, as well as it gives rise to an “archaeo-teleology”; on the other hand, the weak option tones down the substantial unity of this framework and enables a comparative approach. Therefore, I will show that the most important difference between strong and weak teleology revolves around the emphasis respectively put on the terminus a quo and the terminus ad quem, but I will also draw attention to the intertwining of these two strategies. Keywords: Culture, Origin, Science, Teleology, WeltgeschichteIn this essay, I will discuss the concept of historical teleology in Husserl, Cohen and Cassirer. I will distinguish between a “strong” and a “weak” teleology to define two paths that seem to enliven transcendental philosophy. On the one hand, the strong option is underpinned by more general hypotheses on the relationship concerning “consciousness” and “reality”, “thought” and “being”, as well as it gives rise to an “archaeo-teleology”; on the other hand, the weak option tones down the substantial unity of this framework and enables a comparative approach. Therefore, I will show that the most important difference between strong and weak teleology revolves around the emphasis respectively put on the terminus a quo and the terminus ad quem, but I will also draw attention to the intertwining of these two strategies. Keywords: Culture, Origin, Science, Teleology, Weltgeschicht

    Technisch symbolisiert der Mensch. Human Symbolism between Technology, Nature and Culture

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    In this paper, I aim to present symbolism, through the lens of technology and language, as the natural condition of human beings. After a brief introduction, in the second section, I will show how technology and language depart from primates’ manipulations and gestures to overcome the pressure of the environment and the world of expression in human beings. Therefore, I will define meta-environmentality as the distinctive feature of the human condition. In the third section, I will address the rise of language from its mutual coexistence with motricity and explain how meta-environmentality leads to exteriorization. Finally, I will discuss Facchini’s multi-layered scale of symbolic degrees as a possible theoretical framework for my endeavour. Keywords: Culture, Meta-Environmentality, Nature, Symbolism, TechnologyIn this paper, I aim to present symbolism, through the lens of technology and language, as the natural condition of human beings. After a brief introduction, in the second section, I will show how technology and language depart from primates’ manipulations and gestures to overcome the pressure of the environment and the world of expression in human beings. Therefore, I will define meta-environmentality as the distinctive feature of the human condition. In the third section, I will address the rise of language from its mutual coexistence with motricity and explain how meta-environmentality leads to exteriorization. Finally, I will discuss Facchini’s multi-layered scale of symbolic degrees as a possible theoretical framework for my endeavour. Keywords: Culture, Meta-Environmentality, Nature, Symbolism, Technolog

    The ordering mind. The Goldstein-Cassirer approach to neuropathology and its relevance today

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    In this paper, I will examine the Goldstein-Cassirer approach to neuropathology to determine its current potential for yielding valuable insights. To this end, I will reconstruct the philosophical and theoretical underpinnings of such a standpoint in the first four sections. What will emerge is that it entails a definition of pathology as the loss of balance in the adaption of human beings to the environment, leading to a lack of proclivity to categorical behaviour and symbolic performances. Furthermore, we will see that there are behavioural alterations which are not related to the locus of lesions. In the fifth section, I will compare and contrast the holistic stances with current research in neuropsychology. The sixth section is dedicated to conclusive remarks

    Porcine-Derived Xenograft Combined with a Soft Cortical Membrane versus Extraction Alone for Implant Site Development: A Clinical Study in Humans.

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    Background: An adequate alveolar crest is essential for implant placement in terms of esthetics and function. The objective of this randomized clinical trial was to compare the preservation of the alveolar ridge dimensions following tooth extraction using porcine-derived xenograft combined with a membrane versus extraction-alone (EXT) sites. Methods: Fifteen patients who required double extraction of contralateral premolars and delayed implant placement were randomly selected to receive both ridge-preservation procedure and EXT. The test sites (alveolar ridge preservation [ARP]) included 15 sockets treated using a corticocancellous porcine bone xenograft (OsteoBiol® Gen-Os; Tecnoss srl, Giaveno, Italy) associated with a soft cortical membrane (OsteoBiol® Lamina; Tecnoss srl), while the corresponding control sites (EXT) were left without grafting for EXT. Horizontal and vertical ridge dimensions were recorded at baseline and 6 months after extractions. Results: After 6 months, the EXT sites showed a significantly greater reabsorption of the buccolingual/palatal dimension of the alveolar ridge (3.7 ± 1.2 mm) compared with the ARP sites (1.8 ± 1.3 mm). The mean vertical ridge height reduction in the control sockets was 3.1 ± 1.3 mm at the buccal sites and 2.4 ± 1.6 mm at the lingual sites compared with 0.6 ± 1.4 and 0.5 ± 1.3 mm, respectively, in the test sockets. The differences between test and control sockets were not significant for the mesial and distal measurements. Conclusions: The placement of a porcine xenograft with a membrane in an extraction socket can be used to reduce the hard tissue reabsorption after tooth extraction compared with EXT.Background: An adequate alveolar crest is essential for implant placement in terms of esthetics and function. The objective of this randomized clinical trial was to compare the preservation of the alveolar ridge dimensions following tooth extraction using porcine-derived xenograft combined with a membrane versus extraction-alone (EXT) sites. Methods: Fifteen patients who required double extraction of contralateral premolars and delayed implant placement were randomly selected to receive both ridge-preservation procedure and EXT. The test sites (alveolar ridge preservation [ARP]) included 15 sockets treated using a corticocancellous porcine bone xenograft (OsteoBiol® Gen-Os; Tecnoss srl, Giaveno, Italy) associated with a soft cortical membrane (OsteoBiol® Lamina; Tecnoss srl), while the corresponding control sites (EXT) were left without grafting for EXT. Horizontal and vertical ridge dimensions were recorded at baseline and 6 months after extractions. Results: After 6 months, the EXT sites showed a significantly greater reabsorption of the buccolingual/palatal dimension of the alveolar ridge (3.7±1.2mm) compared with the ARP sites (1.8±1.3mm). The mean vertical ridge height reduction in the control sockets was 3.1±1.3mm at the buccal sites and 2.4±1.6mm at the lingual sites compared with 0.6±1.4 and 0.5±1.3mm, respectively, in the test sockets. The differences between test and control sockets were not significant for the mesial and distal measurements. Conclusions: The placement of a porcine xenograft with a membrane in an extraction socket can be used to reduce the hard tissue reabsorption after tooth extraction compared with EXT. © 2011 Wiley Periodicals, Inc

    The potential role of in vivo optical coherence tomography for evaluating oral soft tissue: A systematic review

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    Background: The introduction of optical coherence tomography (OCT) in dentistry enabled the integration of already existing clinical and laboratory investigations in the study of the oral cavity. This systematic review presents an overview of the literature, to evaluate the usefulness of in vivo OCT for diagnosing oral soft tissues lesions, to compare the OCT results with traditional histology, and to identify limitations in prior studies so as to improve OCT applications. Methods: We performed a review of the literature using different search engines (PubMed, ISI Web of Science, and the Cochrane Library) employing MeSH terms such as “optical coherence tomography” and “OCT” in conjunction with other terms. We utilized the Population, Intervention, Comparison, Outcomes, and Study design (PICOS) method to define our study eligibility criteria. Results: Initial results were 3155. In conclusion, there were only 27 studies which met our selection criteria. We decided to allocate the 27 selected items into three groups: healthy mucosa; benign, premalignant, and malignant lesions; and oral manifestations of systemic therapies or pathological conditions. Conclusions: Although the OCT is an easy-to-perform test and it offers an attractive diagnostic and monitoring prospect for soft tissues of the oral cavity, further studies are needed to complete the current knowledge of this imaging technique.Background: The introduction of optical coherence tomography (OCT) in dentistry enabled the integration of already existing clinical and laboratory investigations in the study of the oral cavity. This systematic review presents an overview of the literature, to evaluate the usefulness of in vivo OCT for diagnosing oral soft tissues lesions, to compare the OCT results with traditional histology, and to identify limitations in prior studies so as to improve OCT applications. Methods: We performed a review of the literature using different search engines (PubMed, ISI Web of Science, and the Cochrane Library) employing MeSH terms such as “optical coherence tomography” and “OCT” in conjunction with other terms. We utilized the Population, Intervention, Comparison, Outcomes, and Study design (PICOS) method to define our study eligibility criteria. Results: Initial results were 3155. In conclusion, there were only 27 studies which met our selection criteria. We decided to allocate the 27 selected items into three groups: healthy mucosa; benign, premalignant, and malignant lesions; and oral manifestations of systemic therapies or pathological conditions. Conclusions: Although the OCT is an easy-to-perform test and it offers an attractive diagnostic and monitoring prospect for soft tissues of the oral cavity, further studies are needed to complete the current knowledge of this imaging technique
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