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INTRODUCTION: Outcome-based programmes provide a framework to support educators and learners in understanding content and end points within taught courses. Management of these outcomes in the Dental Degree at Newcastle University has been a challenge in relation to quality assurance and enhancement, having over 1500 detailed student-level outcomes (SLO). This research aimed to explore the implications of adopting a more superficial "course" level of outcome (CLO), when reviewed against a reference set of external LO requirements. MATERIALS AND METHODS: A purposive sample of five courses within the undergraduate dental programme was selected. The mapping of both SLOs and CLOs was reviewed in relation to their total number and the mapping connections to the reference outcomes. RESULTS: There was a mean reduction of 79% in outcomes when comparing SLOs to CLOs. The number of mapping connections between CLOs and the reference set reduced in three courses and increased in two, when compared to SLOs. DISCUSSION: From a purely numerical perspective, changing the detail of learning outcomes has led to a change in mapping connections. As the delivered curriculum has remained unchanged, this demonstrates a potential impact of differing interpretations of learning outcomes. Further review of learning outcomes in relation to the domains categorised within the reference outcome document suggested more mapping links were obtained in clinically focused courses than academic or theoretical courses. CONCLUSION: A demonstrable impact in mapping connections was observed when the detail within the learning outcomes was changed. This has implications for programme leaders in structuring LOs for a curriculum.
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Éxito Académico , Curriculum , Educación en Odontología/métodos , Competencia Clínica , Educación en Odontología/normas , Evaluación Educacional , Humanos , Aprendizaje , Modelos Educacionales , Estudiantes de Odontología , Reino UnidoRESUMEN
INTRODUCTION: Providers of education programmes are required to demonstrate to students, staff and external regulators the content of the programme and how this aligns to key outcomes. Whilst many programme themes are straightforward to illustrate, other integral themes prove challenging to demonstrate independently. INNOVATION: A virtual course takes elements within the current programme relating to a specific theme, repackages and maps them to provide clear signposting by highlighting each occasion the theme is taught, experienced and assessed. The individual elements remain within their current course, so there is no disruption to the established curriculum, but there is an enhancement in terms of transparently displaying linkages within a theme. DISCUSSION: Using the concept of virtual courses we have found we can respond to new initiatives and requirements of external regulators, as well as providing improved signposting for staff and students. This can be undertaken without the need to redesign a whole curriculum. CONCLUSION: In well-designed and currently effective curricula, we would like to recommend that virtual course development can enhance programme transparency, demonstrate external regulatory requirements and promote quality assurance without disruption to current content.
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Instrucción por Computador/métodos , Educación en Odontología/métodos , Interfaz Usuario-Computador , Curriculum , HumanosRESUMEN
To widen the availability of implant supported mandibular overdentures, their inclusion in the undergraduate clinical training curriculum has been encouraged. The aim was to determine whether implant supported mandibular overdentures provided by undergraduates could achieve similar levels of improvement in patient satisfaction and quality of life as previously demonstrated by experienced prosthodontists. Nineteen patients were treated by Stage 3 undergraduate students at Newcastle University, School of Dental Sciences. Changes between pre-treatment and 3 month post-treatment satisfaction and oral health related quality of life suggest dental undergraduates achieve similar levels of improvement as experienced prosthodontists.
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Curriculum , Prótesis Dental de Soporte Implantado , Prótesis de Recubrimiento , Educación en Odontología , Prostodoncia/educación , Anciano , Prótesis Dental de Soporte Implantado/psicología , Retención de Dentadura , Dentadura Completa Inferior/psicología , Prótesis de Recubrimiento/psicología , Inglaterra , Estética Dental , Femenino , Estudios de Seguimiento , Humanos , Masculino , Masticación/fisiología , Salud Bucal , Higiene Bucal , Dimensión del Dolor , Satisfacción del Paciente , Calidad de Vida , Habla/fisiología , Resultado del TratamientoRESUMEN
The purpose of this multicentre observational study was to determine patient satisfaction with either conventional dentures or mandibular 2-implant overdentures in a 'real world' setting. Two hundred and three edentulous patients (mean age 68·8 ± 10·4 years) were recruited at eight centres located in North America, South America and Europe. The patients were provided with new mandibular conventional dentures or implant overdentures supported by two implants and ball attachments. At baseline and at 6 months post-treatment, they rated their satisfaction with their mandibular prostheses on 100-mm visual analogue scale questionnaires. One hundred and two (50·2%) participants had valid baseline and 6-month satisfaction data. Although both groups reported improvements, the implant overdenture group reported significantly higher ratings of overall satisfaction, comfort, stability, ability to speak and ability to chew. These results suggest that edentulous patients who choose mandibular implant overdentures have significantly greater improvements in satisfaction, despite their relatively higher cost, than those who choose new conventional dentures.
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Implantes Dentales , Prótesis Dental de Soporte Implantado , Dentadura Completa Inferior , Prótesis de Recubrimiento , Anciano , Implantes Dentales/psicología , Diseño de Prótesis Dental , Prótesis Dental de Soporte Implantado/psicología , Retención de Dentadura/instrumentación , Dentadura Completa Inferior/psicología , Escolaridad , Empleo , Estética Dental , Femenino , Estudios de Seguimiento , Humanos , Renta , Arcada Edéntula/rehabilitación , Masculino , Masticación/fisiología , Higiene Bucal , Satisfacción del Paciente , Características de la Residencia , Habla/fisiología , Encuestas y Cuestionarios , Resultado del TratamientoRESUMEN
This article represents the consensus from a meeting of the British Society of Prosthetic Dentistry's Education Group which met to discuss implant dentistry at the undergraduate student level. The consensus recognises the need to embed the teaching of implant supported prostheses if such a treatment modality is to be widely practised after graduation. This short article makes some recommendations as well as detailing some challenges and barriers that need to be overcome if implant dentistry is to be successfully embedded in an undergraduate dental curriculum.
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INTRODUCTION: Despite much research on the impact of edentulism and prosthetic rehabilitation on food and nutrient intake, there is little information on how replacing complete dentures affects social and emotional issues around eating. OBJECTIVES: To investigate, in a cohort study, how replacing conventional complete dentures affects eating-related quality of life (ERQoL). A secondary aim was to test the responsiveness of an Emotional and Social Issues Related to Eating (ESIRE) questionnaire to change in ERQoL. METHODS: Participants, recruited from the Dental Hospital, Newcastle-upon-Tyne, UK, completed the self-administrated ESIRE questionnaire before and after provision of new conventional complete dentures. Paired t test was used to determine any change between pre- and posttreatment ESIRE scores, which can range from 0 (poor) to 100 (excellent). Cohen's d effect size was used to measure the magnitude of change in ERQoL. Standardized response mean (SRM) was used to measure the responsiveness of the ESIRE questionnaire to changes in ERQoL. RESULTS: Fifty-five participants aged 52 to 85 y (mean, 72 y), including 21 males (42%) and 29 females (58%), completed the study. A statistically significant improvement in the total ESIRE scores was found, mean (SE) +20.3 (3.30), P < 0.001. Equally, all domains of the ESIRE questionnaire showed significant improvements: enjoyment of food/eating, +27.3 (3.63), P < 0.001; self-consciousness/embarrassment, +18.1 (3.88), P < 0.001; interruption to meals, +13.3 (5.27), P < 0.05; confidence when eating, +18.7 (4.84), P < 0.001; time for eating/preparation of meals, +18.5 (4.85), P < 0.001); and functional ability to eat, +18.2 (3.67), P < 0.001). Cohen's d was large (0.95) for the total score and ranged from medium (0.37) to large (1.30) for all domains. Value of SRM was large (0.87) for the total score and ranged from medium (0.36) to large (1.1) for all domains. CONCLUSION: Denture replacement can directly improve ERQoL. The ESIRE questionnaire was responsive to clinically important changes in ERQoL. KNOWLEDGE TRANSFER STATEMENT: The results of this study improve the understanding of the impact of denture replacement on eating-related quality of life (ERQoL). Clinicians are encouraged to pay more attention to the impact of wearing conventional complete dentures on social and emotional issues around eating. The findings should motivate clinicians and inspire specialists in prosthodontics and oral rehabilitation to continue providing conventional complete dentures as a suitable treatment option for edentulous patients.
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Implantes Dentales , Boca Edéntula , Anciano , Anciano de 80 o más Años , Estudios de Cohortes , Dentadura Completa , Femenino , Humanos , Masculino , Persona de Mediana Edad , Calidad de VidaRESUMEN
Edentulous individuals have reduced chewing ability and lower fruit and vegetable consumption compared with dentate individuals. It has been suggested that the two are causally related. However, psychosocial factors such as attitude, self-identity, and knowledge of recommendations are predictive of intake in non-edentulous persons. The aims of this study were to: determine if perceived chewing ability was predictive of fruit and vegetable intake; explore the predictive ability of knowledge, attitude, and self-identity; and compare intake between edentulous and dentate individuals. Full denture-wearing (N = 79) and dentate persons (N = 52) completed a three-day food diary. Perceived chewing ability, sociodemographic, and psychosocial factors were assessed via self-administered questionnaire. The dentate persons consumed significantly more fruit and vegetables, but differences were not significant when juices were excluded. Perceived chewing ability explained approximately 4% variance in intake. Attitude, self-identity, and knowledge explained a further approximately 20%. If the diet of denture-wearers is to be improved, psychosocial factors, as well as perceived chewing ability, must be addressed.
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Dentadura Completa/psicología , Conducta Alimentaria/psicología , Preferencias Alimentarias/psicología , Arcada Edéntula/psicología , Masticación , Anciano , Anciano de 80 o más Años , Estudios de Casos y Controles , Conducta de Elección , Registros de Dieta , Ingestión de Alimentos/psicología , Femenino , Frutas , Conocimientos, Actitudes y Práctica en Salud , Humanos , Arcada Edéntula/rehabilitación , Masculino , Persona de Mediana Edad , Encuestas Nutricionales , Psicología , Autoimagen , Autoevaluación (Psicología) , VerdurasRESUMEN
AIM: The aim of this study was to conduct a randomized-controlled trial to compare food choices of edentulous adults provided with implant-supported mandibular overdentures and conventional dentures. METHODS: Edentulous patients were randomly allocated to an implant group (IG) or a denture group (DG). IG subjects (n=49) were provided with conventional maxillary dentures and implant-retained mandibular overdentures. Subjects in this group refusing implants were retained using the 'intention-to-treat principle' and provided with conventional dentures. DG subjects (n=48) were provided with conventional dentures. Subjects indicated whether they consumed any of seven test foods and the level of chewing difficulty experienced. Data were collected pre-treatment and 3 months post treatment. RESULTS: IG subjects reported increased consumption of carrots, apples and nuts post-treatment (P<0.05) and decreased post-treatment difficulty in chewing apples and nuts. DG subjects reported decreased post-treatment difficulty in chewing carrots, bacon and nuts (P<0.05). Between group differences for chewing difficulty were detected for nuts that DG subjects found easier to chew than IG subjects (P=0.002). CONCLUSION: Food selection and perceived chewing difficulty improved in both groups, with no significant differences between groups. Successful rehabilitation may not result in different food selection, which may require concurrent tailored dietary interventions, but may increase available food choices.
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Prótesis Dental de Soporte Implantado , Dentadura Completa Inferior/psicología , Prótesis de Recubrimiento , Preferencias Alimentarias , Boca Edéntula/psicología , Adulto , Anciano , Conducta de Elección , Implantación Dental Endoósea , Prótesis Dental de Soporte Implantado/psicología , Femenino , Humanos , Masculino , Masticación/fisiología , Persona de Mediana Edad , Boca Edéntula/fisiopatología , Estadísticas no Paramétricas , Encuestas y CuestionariosRESUMEN
BACKGROUND: The sensitivity, specificity, and agreement of 4 diagnostic assays (SNAP canine pancreatic lipase (cPL), specific cPL (Spec cPL), VetScan cPL Rapid Test, and Precision PSL) for pancreatitis in dogs have not been directly compared. HYPOTHESIS/OBJECTIVES: To determine the level of agreement among each of the 4 assays and a clinical suspicion score, level of agreement among the assays, and sensitivity and specificity of each assay in a clinically relevant patient group. ANIMALS: Fifty client-owned dogs with clinical signs of gastrointestinal disease. METHODS: Prospective study. History, physical examination, complete blood count, serum biochemistry, abdominal ultrasound examination, and the 4 diagnostic assays for pancreatitis were performed. Intraclass correlation coefficients (ICC) were used to determine the level of agreement between each assay and a clinical suspicion score determined by a panel of 5 board-certified veterinary internists. RESULTS: The ICC between the clinical suspicion score and the 4 assays were SNAP cPL, 0.61; Spec cPL, 0.68; VetScan cPL Rapid Test, 0.68; and Precision PSL, 0.60. The sensitivities of the assays ranged from 73.9 to 100.0%, whereas the specificities were SNAP cPL, 71.1-77.8%; Spec cPL, 74.1-81.1%; VetScan cPL Rapid Test, 76.9-83.8%; and Precision PSL, 64.0-74.3%. CONCLUSIONS AND CLINICAL IMPORTANCE: A good to excellent level of agreement was demonstrated among the 4 assays. The previously unreported sensitivity and specificity of the VetScan cPL Rapid Test were 73.9-83.3% and 76.9-83.8%, respectively. Results of any of the 4 diagnostic assays alone, in the absence of supporting clinical findings, are insufficient to establish a diagnosis of clinical pancreatitis in dogs.
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Enfermedades de los Perros/diagnóstico , Lipasa/sangre , Pancreatitis/veterinaria , Animales , Recuento de Células Sanguíneas/veterinaria , Enfermedades de los Perros/sangre , Perros , Femenino , Masculino , Pancreatitis/sangre , Pancreatitis/diagnóstico , Estudios Prospectivos , Sensibilidad y Especificidad , Ultrasonografía/veterinariaRESUMEN
Removable partial dentures may adversely affect remaining tissues and have a low prevalence of use. This randomized controlled trial was designed to compare the time to survival of cantilever resin-bonded fixed partial dentures and conventional removable partial dentures to restore shortened lower dental arches. We randomly allocated 25 male and 35 female patients (median age, 67 years) to fixed or removable partial denture groups of 30 persons, matched for age and sex. Survival of the prostheses was assessed, based on listed criteria, at each review or when problems arose. Although the removable partial denture group required rather more maintenance visits, the difference in survival rates was not statistically significant (hazard ratio = 0.59, with 95% CI 0.27, 1.29). In the absence of significant differences in five-year survival, the reported advantages of fixed partial dentures, including reduced maintenance frequency, offer positive support for the use of resin-bonded fixed partial dentures.
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Dentadura Parcial Fija con Resina Consolidada , Dentadura Parcial Removible , Arcada Parcialmente Edéntula/terapia , Adulto , Anciano , Anciano de 80 o más Años , Fracaso de la Restauración Dental , Diseño de Dentadura , Femenino , Humanos , Estimación de Kaplan-Meier , Masculino , Mandíbula , Persona de Mediana Edad , Modelos de Riesgos ProporcionalesRESUMEN
BACKGROUND: Storage of canine packed red blood cells (pRBCs) can increase erythrocyte phosphatidylserine (PS) expression and eicosanoid concentrations. HYPOTHESIS/OBJECTIVES: To determine the effects of leukoreduction on erythrocyte PS expression and eicosanoid concentrations in stored units of canine pRBCs. Our hypothesis was that leukoreduction would decrease PS expression and eicosanoid concentrations. ANIMALS: Eight healthy dogs. METHODS: In a cross-over study, units of whole blood were leukoreduced (LR) or non-LR and stored (10 and 21 days) as pRBCs. Samples were collected at donation, and before and after a simulated transfusion. PS expression was measured by flow cytometry, and concentrations of arachidonic acid (AA), prostaglandin F2α (PGF2α ), prostaglandin E2 (PGE2 ), prostaglandin D2 (PGD2 ), thromboxane B2 (TXB2 ), 6-keto-prostaglandin F1α (6-keto-PGF1α ), and leukotriene B4 (LTB4 ) were quantified by liquid chromatography-mass spectrometry. RESULTS: There was no change in PS expression during leukoreduction, storage, and simulated transfusion for non-LR and LR units. Immediately after leukoreduction, there was a significant increase in TXB2 and PGF2α concentrations, but during storage, these eicosanoids decreased to non-LR concentrations. In both LR and non-LR units, 6-keto-PGF1α concentrations increased during storage and simulated transfusion, but there was no difference between unit type. There was no difference in AA, LTB4 , PGE2 , and PGD2 concentrations between unit types. CONCLUSIONS AND CLINICAL IMPORTANCE: Leukoreduction, storage, and simulated transfusion do not alter erythrocyte PS expression. Leukoreduction causes an immediate increase in concentrations of TXB2 and PGF2α , but concentrations decrease to non-LR concentrations with storage. Leukoreduction does not decrease the accumulation of 6-keto-PGF1α during storage.
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Conservación de la Sangre/veterinaria , Eicosanoides/sangre , Procedimientos de Reducción del Leucocitos/veterinaria , Fosfatidilserinas/sangre , Animales , Estudios Cruzados , Perros , Transfusión de Eritrocitos/veterinaria , Eritrocitos/metabolismo , Femenino , Citometría de Flujo/veterinaria , MasculinoRESUMEN
Evidence from randomized clinical trials of implant-retained overdentures is very limited at the present time. The aim of this study was to compare implant-retained mandibular overdentures and conventional complete dentures in a randomized controlled trial (RCT). Our a priori hypothesis was that implant-retained mandibular overdentures would be significantly better than conventional complete dentures. Edentulous patients (n = 118) were randomly allocated to either an Implant Group (n = 62) or a Denture Group (n = 56). Patients completed the Oral Health Impact Profile (OHIP) and a denture satisfaction scale pre-treatment and three months post-treatment. Upon completion of treatment, both groups reported improvement (p < 0.001, Wilcoxon Ranks Sum test) in oral-health-related quality of life and denture satisfaction. There were no significant post-treatment differences between the groups, but a treatment effect may be masked by application of "intention to treat" analysis. The OHIP change scores were significantly greater for patients receiving implants than for those who refused them.
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Implantes Dentales , Prótesis Dental de Soporte Implantado , Retención de Dentadura , Dentadura Completa Inferior , Prótesis de Recubrimiento , Factores de Edad , Anciano , Actitud Frente a la Salud , Femenino , Estudios de Seguimiento , Humanos , Arcada Edéntula/rehabilitación , Masculino , Mandíbula , Persona de Mediana Edad , Satisfacción del Paciente , Calidad de Vida , Resultado del Tratamiento , Negativa del Paciente al TratamientoRESUMEN
Edentulous denture-wearers eat fewer fruits and vegetables than do comparable dentate individuals. Improved chewing ability with new dentures has resulted in little dietary improvement, suggesting that dietary intervention is necessary. The objective of this randomized controlled trial was to have a positive impact upon dietary behavior of patients receiving replacement complete dentures through a tailored dietary intervention. Readiness to change diet (Stage of Change), intake of fruits, vegetables, and nutrients, and chewing ability were assessed pre-and 6 weeks post-intervention. The intervention group (n = 30) received two dietary counseling sessions; the control group (n = 28) received current standard care. Perceived chewing ability significantly increased in both groups. There was significantly more movement from pre-action into action Stages of Change in the intervention group, who had a greater increase in fruit/vegetable consumption (+209 g/d) than did the control group (+26 g/d) (P = 0.001). Tailored dietary intervention contemporaneous with replacement dentures can positively change dietary behavior.
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Consejo , Dentadura Completa , Conducta Alimentaria , Boca Edéntula/fisiopatología , Fenómenos Fisiológicos de la Nutrición , Anciano , Anciano de 80 o más Años , Registros de Dieta , Femenino , Frutas , Humanos , Masculino , Masticación , Persona de Mediana Edad , Encuestas y Cuestionarios , VerdurasRESUMEN
Assessment development is a fundamental element of curriculum management and a requirement for providers of education to consistently demonstrate attainment of educational standards. Development of authentic, valid and reliable assessment is, however, both challenging and resource intensive. In the UK, dental education standards are regulated by the General Dental Council (GDC). The 'safe beginner' is the threshold determined by the GDC for the passing student - but how do we apply this? This article describes an approach the School of Dental Sciences at Newcastle University has adopted to address the challenges associated with developing assessments. Sessional clinical teachers contribute a significant proportion of the clinical supervision within the BDS programme and also have a good appreciation of both the standard and concept of the 'safe beginner'. By implementing a process of active timetable management, we have identified time where this group could contribute to assessment development. We believe that aspects, which could be enhanced by their involvement, include writing, validation, standard-setting and utilisation of assessment. To achieve this, we recognise a requirement for investment in careful manpower planning and training, but consider that it is realistic and beneficial to include sessional clinical teachers in this essential part of learning and teaching.
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Educación en Odontología/métodos , Evaluación Educacional/métodos , Curriculum , Educación en Odontología/normas , Humanos , Enseñanza , Reino UnidoRESUMEN
Implementation of new therapies is usually governed by financial considerations, so efficacy studies should also include cost comparisons. The cost and effectiveness of mandibular conventional dentures (CD, n = 30) and two-implant overdentures (IOD, n = 30) were compared in elderly subjects. Effectiveness (Oral Health Impact Profile, OHIP-20) and cost were measured up to one year post-treatment. Data for subsequent years were estimated by the Delphi method. Using an average life expectancy of 17.9 years, the equalized annual costs (in Canadian dollars) were dollar 399 for CD and dollar 625 for IOD (p < 0.001), and the equalized annual values for the outcome (OHIP-20) were 47.0 for CD and 31.3 for IOD treatment (p < 0.05). These values translate into a yearly additional cost for IOD treatment of dollar 14.41 per OHIP-20 point. These results are key to the implementation of programs to provide this form of therapy for edentulous adults.
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Implantación Dental Endoósea/economía , Implantes Dentales/economía , Dentadura Completa Inferior/economía , Prótesis de Recubrimiento/economía , Anciano , Canadá , Análisis Costo-Beneficio , Implantación Dental Endoósea/psicología , Implantes Dentales/psicología , Dentadura Completa Inferior/psicología , Femenino , Costos de la Atención en Salud , Humanos , Arcada Edéntula/economía , Arcada Edéntula/psicología , Arcada Edéntula/rehabilitación , Masculino , Mandíbula , Calidad de Vida , Perfil de Impacto de EnfermedadAsunto(s)
Competencia Clínica , Educación en Odontología , Internet , Registros , Logro , Seguridad Computacional , Sistemas de Computación , Evaluación Educacional/métodos , Retroalimentación , Control de Formularios y Registros , Humanos , Almacenamiento y Recuperación de la Información , Evaluación de Resultado en la Atención de Salud , Propiedad , Privacidad , Reino UnidoRESUMEN
AIM: To investigate the dental attitudes, knowledge and dental health practices of children and adults with a previous diagnosis of Juvenile Idiopathic Arthritis (JIA). STUDY DESIGN: A self-completion questionnaire. METHODS: Ninety-one children and 82 adults with JIA were age and gender matched with 152 healthy controls. For those below the age of 16 years, the parents' attitude, knowledge and dental health practices were investigated by the questionnaire. The adult subjects and controls completed an identical questionnaire assessing their own attitude, knowledge and dental health practices. RESULTS: Response rates of 84% and 75% were achieved for the subject and controls respectively. Both groups responded similarly to questions assessing perception of different medical conditions. The majority of respondents thought leukaemia was a very serious condition. Twenty-seven percent of subjects and 34% of controls felt dental decay was "slightly or not serious". Ninety percent of subjects and 93% of controls knew having sweet snacks during the day would harm teeth, but fewer were sure that eating sweet foods at mealtimes only would help reduce decay. The majority of respondents (63% and 56% respectively) did not know whether children should receive fluoride tablets but the majority of subjects in both groups had attended a dentist within the last year. STATISTICS: Descriptive analyses and chi-squared analysis were undertaken. A p-value of < or =0.01 was taken as strong evidence of a difference between groups. CONCLUSION: The perception of health and illness by both groups was appropriate. The questions investigating dental knowledge revealed understanding of the basic messages of prevention of dental disease, but finer detail appeared less well understood. Responses concerning dental health confirmed positive attitudes towards good dental health habits. The benefits of brushing with fluoride toothpaste were known, and the majority toothbrushed daily and received dental care within the previous year.
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Artritis Juvenil/psicología , Actitud Frente a la Salud , Conductas Relacionadas con la Salud , Conocimientos, Actitudes y Práctica en Salud , Salud Bucal , Adolescente , Adulto , Anciano , Cariostáticos/uso terapéutico , Estudios de Casos y Controles , Niño , Preescolar , Atención Odontológica , Caries Dental/psicología , Carbohidratos de la Dieta/efectos adversos , Conducta Alimentaria , Femenino , Fluoruros/uso terapéutico , Humanos , Lactante , Leucemia/psicología , Masculino , Persona de Mediana Edad , Cepillado Dental , Pastas de Dientes/uso terapéuticoRESUMEN
This study investigated the quality of in vivo etch patterns on the bonding surfaces of 46 abutment teeth following acid etching with 37% phosphoric acid for 30 seconds. Two-stage putty and light bodied addition cured silicone impressions of the etched lingual surfaces were used to form replicas that were then viewed using the scanning electron microscope. Over 69% of the lingual bonding surface area of incisors, canine and premolars were unetched, 16% barely etched, 7% etched and less than 2% ideally etched. There was no significant difference in the quality of etch between different tooth types. There was a significantly greater proportion of poorly etched enamel towards the cervical margin in comparison with the occlusal half. This may have implications in retention of resin bonded bridges.
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Grabado Ácido Dental/métodos , Esmalte Dental/efectos de los fármacos , Adulto , Anciano , Anciano de 80 o más Años , Análisis de Varianza , Pilares Dentales , Femenino , Humanos , Masculino , Persona de Mediana Edad , Ácidos Fosfóricos/administración & dosificaciónRESUMEN
OBJECTIVES: To identify and summarise the findings of previous qualitative studies relating to patients' experience of dental implant treatment (DIT) at various stages of their implant treatment, by means of textual narrative synthesis. DATA/SOURCES: Original articles reporting patients' experience with dental implant were included. A two-stage search of the literature, electronic and hand search identified relevant qualitative studies up to July 2014. An extensive electronic search was conducted of databases including PubMed, Embase, Scopus, Web of Knowledge, Cochrane Database and Google Scholar. STUDY SELECTION: Included primary studies (n=10) used qualitative research methods and qualitative analysis to investigate patients' experiences with dental implants treatment. CONCLUSIONS: While the growing interest in implant treatment for the replacement of missing dentition is evident, it is essential to investigate patients' perceptions of different aspects of implant treatment. This textual narrative synthesis conducted to review qualitative studies which provided insight into patients' experience of two types of implant prostheses namely ISOD (implant-supported overdenture) and FISP (fixed implant supported prostheses). Primary reviewed studies tended to include samples of older patients with more extensive tooth loss, and to focus on experiences prior to and post-treatment rather than on the treatment period itself. Findings across reviewed studies (n=10) suggested that patients with FISP thought of implant treatment as a process of 'normalisation'(1) and believed that such implant restorations could be similar to natural teeth, whereas patients with ISOD focused more on the functional and social advantages of their implant treatment. CLINICAL SIGNIFICANCE: The growing interest in qualitative research is evident in several branches of clinical dentistry and dental implantology is not an exception. Qualitative studies concerning the patients account of their experience of dental implants is however limited. The aim of this review is to firstly identify recent work within this field and to subsequently categorise it more consistently by means of textural narrative synthesis, thus highlighting similarities and differences and enabling identification of gaps in research knowledge thereby setting the direction of further research.
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Implantación Dental/métodos , Implantes Dentales/psicología , Implantación Dental/psicología , Implantación Dental Endoósea/psicología , Prótesis Dental de Soporte Implantado/psicología , Prótesis de Recubrimiento , Humanos , Aceptación de la Atención de Salud , Investigación Cualitativa , Calidad de VidaRESUMEN
Little is known about the involvement of saliva in gingival overgrowth (GO). It was hypothesized that, in this situation, the composition of saliva is altered. Thus, proteins, albumin, cytokines, and growth factors in whole and glandular saliva were investigated. Differences between glandular and gingival contributions to the composition of saliva were explored in patients medicated with cyclosporin who exhibited GO (responders), those without GO (non-responders), and non-medicated subjects (controls). In whole saliva, interleukin-1alpha (IL-1alpha), IL-6, IL-8, epidermal growth factor (EGF), nerve growth factor (NGF), and albumin were detected, but in glandular saliva only EGF and NGF were identified. Albumin and IL-6 differed significantly between responders and controls, although the overall profile of salivary proteins remained unchanged. Thus, inflammatory cytokines and albumin are confined to whole saliva and are associated with GO, whereas its content of EGF and NGF appears unaffected by cyclosporin.