987 resultados para Dental Prosthesis Retention


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The aim of this study is to determine what factors constitute a quality prosthesis and ascertain which factors affect prosthesis satisfaction. Sixty-four women who received full funding for their prosthesis and 38 women who received their hospital’s usual fundingwere recruited. Women rated the information provided about breast prostheses very highly, with 85% reporting that it was "very good" or "excellent." Satisfaction was significantly associatedwith how well the prosthesis fit (1 week,p=.001; 3 months,p=.01), level of comfort (3 months,p=.005), and appearance of the prosthesis when worn (6 months,p = .001). Quality was significantly associated with how well it fit (1 week,p = .001; 3months,p = .001), how natural it felt (1 week,p = .001; 6months,p=.01), the weight of the prosthesis (3 months,p=.003), and appearance when worn (6 months,p = .03). The results will be used to improve women’s access to a quality prosthesis.


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Marketing strategy in performing arts organisations has become particularly important in the increasingly competitive environment in which the arts operate. Since the late 1980s there has been a necessary shift in focus to audience development away from product development. This change in focus is being encouraged to ensure the long-term viability of performing arts organisations (PAOs) and micro-economic reform. While government reports have recommended strategies aimed at building audience based recognition, this is an expensive approach for many PAOs and does not produce short term returns. Little attention has been paid to building enduring relationships with existing audiences as a way if having a more dramatic impact on PAOs' long-term viability. This paper explores this theme through relationship marketing and the implication of retaining existing audiences. The paper identifies the changing cultural environment which has led to the importance if marketing. It then explains the concepts if relationship marketing and its pertinence to PAOs' viability by presenting a loyalty ladder. The structure is modelled as a dynamic conceptualisation of the relationships (audience and organisation) to assist arts managers to decide whether to focus their efforts on catching or keeping customers to maximise earned income.

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Various types of titanium alloys with high strength and low elastic modulus and, at the same time, vanadium and aluminium free have been developed as surgical biomaterials in recent years. Moreover, porous metals are promising hard tissue implants in orthopaedic and dentistry, where they mimic the porous structure and the low elastic modulus of natural bone. In the present study, new biocompatible Ti-based alloy foams with approximate relative densities of 0.4, in which Sn and Nb were added as alloying metals, were synthesised through powder metallurgy method.
The new alloys were prepared by mechanical alloying and subsequently sintered at high temperature using a vacuum furnace. The characteristics and the processability of the ball milled powders and the new porous titanium-based alloys were characterised by X-ray diffraction, optical
microscopy and scanning electron microscopy .The mechanical properties of the new titanium alloys were examined by Vickers microhardness measurements and compression testing.

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This research investigates the retention of essential amino acid profiles of products during the extrusion of proteins and reducing sugars. Animal proteins (egg and milk protein at 10 and 30% levels) and reducing sugars (fructose and galactose at 0, 2, and 8% levels), with pregelatinized wheat flour, were extruded at 110 and 125 °C product temperatures and feed moistures of 19 and 23.5% for egg protein and 13.75 and 16% for milk protein. The nutritional property analyzed was essential amino acid retention, and sugar retention was also considered to understand the relationship of sugars with retention of amino acids. Lysine showed the lowest retention (up to 40%) of all the essential amino acids. Retention of other essential amino acids varied from 80 to 100% in most situations. Apart from lysine,  tryptophan, threonine, and methionine were found to be significantly changed (P < 0.05) with processing conditions. Increased protein and sugar levels resulted in a significant degradation of lysine. Greater lysine retention was found at a lower temperature and higher feed moisture. Results of sugar retention also showed similar patterns. The products made from fructose had greater lysine retention than products made from galactose with any type of protein. The outcomes of this research suggested that the combination of milk protein and fructose at a lower temperature and higher feed moisture is most favorable for developing high-protein extruded products.

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After mastectomy, the provision of an appropriate breast prosthesis can help to improve body image and quality of life and reduce associated emotional distress. Although up to 90% of women use an external breast prosthesis after mastectomy, little is known about their experiences and satisfaction with breast prosthesis use. Focus groups were conducted with women who had been fitted with an external breast prosthesis, breast care nurses, and prosthesis fitters to explore women's experiences of prosthesis use. Qualitative thematic content analysis of focus group transcripts indicated that whereas women's initial reaction to the prosthesis generally was negative, this improved over time. Provision of adequate information and support, characteristics of the fitter and the fitting experience, and relationships with breast care nurses and prosthesis fitters were important to women's acceptance and satisfaction with their prosthesis. The study results highlighted the key role that breast care nurses play and the underestimation of the prosthesis fitter's role. Common themes concerning the impact of prosthesis use included body image, appearance, and feminine identity. These findings have important implications for professionals involved in the delivery of breast prostheses services.

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This paper is a result of a fruitful cooperation between the computer science and the dental diagnosis experiences. The study presents a new approach of applying computer algorithms to radiographic images of dental implantation used for bone regeneration. We focus here only on the contribution of the computer assistance to the clinical research as the periodontal therapy is beyond the scope of this paper. The proposed system is based on a pattern recognition approach, directed to recognize density changes in the intra-bony affected areas of patients. It comprises different modules with new algorithms specially designed to treat the patients’ radiographic images more accurately. The system includes digitizing, detecting the complicated region of interest (ROI), defining reference area to correct any projection discrepancy of the follow up images, and finally to extract the distinguishing features of the ROI as a basis for determining the rate of new bone density accumulation. This study is applied to two typical dental cases for a patient who received two different operations. The results are very encouraging and more accurate than traditional techniques reported before.

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With an increasing demand and reliance on volunteers in a host of different sectors, the need for organisations to understand motivating factors behind volunteering, and how to retain volunteer services, is crucial. This paper examines the recruitment, retention and attrition among a group of volunteers participating in a long-term monitoring program for the critically endangered orange-bellied parrot Neophema chrysogaster. This project is one of the longest running of its type in Australia with more than 20 years of survey activities. Volunteers were most often recruited via other environmental agencies. Almost three-quarters of respondents had been involved in birdwatching or other bird monitoring activities usually in connection with conservation organisations. The modal response was an involvement of 10-20 years, with most other responses in the range 0-5 years. The majority intend to continue volunteering, but cited perceived health and time commitments as the main factors behind possible future decisions to cease volunteering. Respondents suggested improvements in the volunteer management of the program, and in particular, thought a personal 'thank you', would maintain motivation and participation.

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The purpose of this study was to explore and map the sport development processes in Australia. A grounded theory approach identified sport development processes by examining 74 annual reports from 35 national sporting organizations (NSOs) over a period of 4 years, before and after the Sydney Olympic Games. The 3 frameworks presented in this article representing the attraction, retention/ transition, and nurturing process illustrate the generic processes and strategies described by NSOs. The results show that each sport development process requires human and financial input from various stakeholders. These stakeholders initiate or implement sport development strategies for each process and each process has different sport development outputs. These results contribute to the extant literature of sport development by demonstrating that sport development is more complex and encompassing than previously described. It is proposed that the generic frameworks derived from this study be subject to more specific testing using other sport systems, as context and case studies could lead to tailoring the frameworks to represent specific sport development processes and systems.