The characteristics of laser-treated tooth surfaces depend on the laser wavelength, pulse duration, spatial and temporal laser beam quality, incident fluence, surface roughness, and the presence of water during irradiation. Ablated surfaces are most commonly restored with adhesive dental materials and the characteristics of the ablated surfaces influence adhesion of restorative materials. Previous studies suggest that high bond strengths can be achieved using shorter laser pulses that minimize peripheral thermal damage. In this study, Er:YSGG, Er:YAG, and CO(2) lasers were used at irradiation intensities sufficient to simulate efficient clinical caries removal to uniformly irradiate bovine enamel and human dentin surfaces using a motion control system with a microprocessor-controlled water spray. The degree of spatial overlap of adjacent pulses was varied so as to investigate the influence of irradiation uniformity and surface roughness on the bond strength. Composite resin was bonded to the irradiated surfaces and shear bond tests were used to obtain bond strengths in MPa. The highest results were obtained using the Er:YAG pulses with pulse durations less than 35 mus without the necessity for postirradiation acid etching. Some of these groups were not significantly different from nonirradiated, acid-etch-only positive control groups.
A comprehensive and specific understanding of social inclusion was obtained. This improved understanding will allow for better measurement of social inclusion which will assist in evaluating programs and interventions, identifying areas of greatest need, and in planning services, policy and strategies to target specific contributors proven to improve social inclusion and subsequent mental health outcomes. (PsycINFO Database Record
Objective: Young adults with serious mental illness (SMI) are reported to be socially excluded, but social inclusion measures are untested in this population. The aim of this study was to test the Filia Social Inclusion Measure (F-SIM) in this population. Method: Categorical principal components analysis of F-SIM data from N = 159 young adults with SMI aged 18–25 was conducted. Cronbach’s alpha (α) examined internal consistency. Intraclass Correlation Coefficients (ICC3,2) examined 2-week test–retest reliability. Spearman’s rho correlation coefficients (rs) examined construct validity. Results: Cronbach’s alpha was .94 for Dimension 1 (Interpersonal Connections), .87 for Dimension 2 (Vocational and Financial Security), and .82 for Dimension 3 (Healthy Independent Lifestyle). ICC3,2 coefficients ranged from .20–.99. Dimension 1 scores correlated with measures of social inclusion (rs = .69, p < .01), Quality of Life (QoL [rs = .63, p < .01]), hours of social/leisure activities last week (rs = .32, p < .01), loneliness (rs = −.76, p < .01), and psychological distress (rs = −.42, p < .01). Dimension 2 scores correlated with measures of social inclusion (rs = .27, p < .01) and hours working (rs = .67, p < .01) and studying last week (rs = .47, p < .01). Dimension 3 scores correlated with measures of social inclusion (rs = .25, p < .01), QoL (rs = .40, p < .01), psychological distress (rs = −.33, p < .01), and loneliness (rs = −.26, p < .01). Conclusions and Implications for Practice: The F–SIM demonstrated excellent reliability and validity among young adults aged 18–25 with SMI. This represents a preliminary step toward evidence-based assessment and intervention to help increase social inclusion for this vulnerable population.
Employment and depression may influence social inclusion somewhat independently of psychotic symptomatology in FEP. Inferences should be viewed with caution given this study did not involve longitudinal data.
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