Pengaruh Pemberian Kalsium Sitrat Terhadap Jumlah Osteoklas dan Luas Permukaan yang Teresorpsi pada Gigi Kelinci yang Digerakkan Secara Ortodonti
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Root resorption is an adverse effect of orthodontic treatment which is characterized by the presence of osteoclasts in the form of phagocytes and multinucleated. Various factors influence the extent of root resorption, including systemic calcium level because calciumis the major mineralbone and teeth formation. Applicationof calcium sitrat may play a rolein the formation and stability of alveolar bone and teeth. The aim of this study was to determine the effectof calcium citrate on the amount of osteoclasts and width of resorpted area in orthodontic tooth movement. Subjects of this study were obtained thirteen male rabbits were divided into three groups: the first group consists of one rabbit without any treatment as a normal group, and the remains divided into two groups which consists of six rabbits where 9 mm long closed coil-spring was placed between mandibular first molar and incisor, generating 60 g of force, with or without the application of calcium citrate for 7.21 and 35. The result showed that less osteoclasts and smaller resorption area were found in orthodontic tooth movement with calcium citrate application (p< 0.05). There was a correlation between the amount of osteoclasts and the width of resorpted area (r= 0.933). It means that the increasing of osteoclasts occured along with the increased resorpted area. It can be concluded that calcium citrate can reduce the width of resorpted area in orthodontic tooth movement.