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The endothelin system is involved in orthodontic tooth movement (OTM). The aim of the study was to examine the role of ET-1, ET(A) and ET(B) in bone modeling during OTM in rats. Male Wistar rats (n=62) were divided into three groups: control animals (n=10; control group) without appliance, and two groups of experimental animals, which were applied a(More)
INTRODUCTION Endothelin is a cytokine peptide present in the periodontal ligament in physiological conditions. Its concentration in the periodontal ligament doubles after 3 hours of axial loading of a tooth. The role of endothelin in orthodontic tooth movement has not yet been explained. We tried to determine the effect of tezosentan, a specific dual(More)
Endothelins (ET)-1, ET-2, and ET-3 are one group of cytokines likely to be released during orthodontic tooth movement (OTM). Therefore, the expression of ET levels was investigated to determine the importance and involvement of isopeptides during the several phases of OTM. Thirty-two male Wistar rats (12-13 weeks old) were divided into four groups of eight:(More)
Many chemical messengers are involved in the process of alveolar bone and periodontal ligament remodelling during orthodontic tooth movement. Among them is probably endothelin-1 (ET-1). Its role in this process has been partly explained using tezosentan, which affects endothelin A (ET(A)) and endothelin B (ET(B)) receptors. Tezosentan enhances orthodontic(More)
INTRODUCTION Type 2 diabetes is known to affect bone metabolism. In this study, we aimed to determine the effects of type 2 diabetes on bone remodeling during orthodontic tooth movement. METHODS The 48 rats were divided into 4 groups: Wistar control group (n = 8), Goto-Kakizaki (GK) control group (n = 8), Wistar appliance group (n = 16), and GK appliance(More)
The aim of this study was to determine whether a force applied in an antero-posterior direction would adequately reduce incisor eruption. This is needed to achieve a constant direction of force which is one of the demands for a good model for studying orthodontic tooth movement. Twenty male Wistar rats aged 11-12 weeks were divided into two equal groups: in(More)
INTRODUCTION Histamine (H(1)) receptor antagonists are widely used drugs for treatment of allergic conditions. Although histamine was shown to be involved in bone remodeling, the aim of this study was to determine the effects of cetirizine, an H(1) receptor antagonist, on bone modeling processes during orthodontic tooth movement. METHODS We used 3 groups(More)