A new mechanism based on the seeding effect of the substrate is proposed to interpret the experimental results.”
“Guided tissue regeneration
(GTR) membranes with bioabsorbable characteristics have been employed, in recent years, for periodontal AZD2171 procedures to deflect the growth of gingival tissues away from root surface. They provide an isolated space over regions with defective tissues and allow the relatively slow growing periodontal ligament fibroblasts to be repopulated over the root surface. In this study, we have employed chitosan and tricalcium phosphate (beta-TCP) as viable membrane materials and evaluated their roles in GTR applications. Three types of beta-TCP/chitosan membranes, weight ratio of beta-TCP/chitosan 65 : 35, 33 : 67, and 10 : 90, were prepared for three categories: the mechanical strength to create an effective space; the rapid rate to reach hydrolytic equilibrium in phosphate buffer solution; and the ease of clinical manipulations. Consequently, standardized, transosseous, and critical-sized (cavity of 8 mm) skull defects were made in adult rabbits, and the defective regions were covered with the specifically prepared chitosan membranes. After 4 weeks of recovering, varying degrees of bone healing were observed beneath the beta-TCP/chitosan membranes in comparison to the control group. The beta-TCP/chitosan membranes covered
regions showed a clear boundary space between C646 cost connective tissues and bony tissues. Over all, good cell-occlusion and beneficial osteogensis effects by these bioabsorbable materials toward the wound recovery were indicated. (c) 2009 Wiley Periodicals, Inc. J Appl Polym Sci 112: 3127-3134, 2009″
“Objective This study explored associations between
the recently proposed three-factor structure of the 12-item Functional Assessment of Chronic Illness TherapySpiritual Well-being (FACIT-Sp) subscale (Peace, Meaning, and Faith), quality of life (QoL), and coping in an oncology population. Methods A total of 999 newly diagnosed, study eligible, consecutive cancer patients completed the FACIT-Sp and the Mental Adjustment to Cancer (MAC) scale. Results Hierarchical multiple regressions this website revealed that Peace alone added 3% to the prediction of QoL and accounted for 15.8% of the overlap in Total Functional Assessment of Cancer TherapyGeneral (FACT-G) scores (both p<0.001). Meaning alone added 1.3% to QoL prediction and accounted for 5.8% in overlap (both p<0.001). Faith did not significantly contribute to the unique prediction or overlap of QoL. Correlational analyses revealed that Peace was most prominently associated with the QoL subscales of Functional (r = 0.64) and Emotional Wellbeing (r = 0.61) and the coping styles of Helpless/Hopeless (r = -0.53), Fighting Spirit (r = 0.47), and Anxious Preoccupation (r = -0.34).