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This article aims to propose a mathematically legitimate and externally validated subclassification of chronic affective disorders. Three subtypes emerged from the cluster analysis of the symptom data of 40 patients with chronic affective disorder that had been present without remission for more than 2 years; the subtypes were then validated by psychosocial(More)
BACKGROUND Bone marrow aspirate concentrate (BMAC) including high densities of stem cells and progenitor cells may possess a stronger bone regenerative capability compared with Platelet-rich plasma (PRP), which contains enriched growth factors. The objective of this study was to evaluate the effects of human BMAC and PRP in combination with β-tricalcium(More)
Humans are genetically programmed to replace their teeth once during childhood. Therefore, when adult teeth are lost or damaged, they cannot be regenerated or regrown. However, with the advancement of stem cell biology and tissue engineering, regenerating the whole tooth has become a realistic and attractive option to replace a lost or damaged tooth, and(More)
The periodontal ligament (PDL) has a reservoir of mesenchymal stem cells (MSCs) and this tissue is easily available following teeth removal procedures. However, PDL-derived cells (PDLCs) availability for tissue engineering is limited because they are heterogeneous cells at various differentiation and lineage commitments. Therefore, efficient culture(More)
This study aimed to examine the predictive validity of the cluster-analytically derived 3 subtypes of chronic affective disorders that were proposed on the basis of cross-sectional symptoms and were shown to have some external validity with regard to psychosocial characteristics. Two-year naturalistic follow-up data were available for 38 (97%) of the(More)
OBJECTIVES This study aimed to examine the influence of particle size and extent of demineralization of dentin matrix on bone regeneration. MATERIALS AND METHODS Extracted human teeth were pulverized and divided into 3 groups according to particle size; 200, 500, and 1000 μm. Each group was divided into 3 groups depending on the extent of(More)
To date, therapeutic method for in vivo gene delivery has not been established on bone engineering though its potential usefulness has been suggested. For clinical applications, an effective condition should be developed to transfer the genes in vivo without any transfection reagents or virus vectors. In this study, to facilitate the clinical setting of(More)
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