tooth/implant supported fixed prostheses may present biomechanical design problems, as the implant is rigidly anchored within the alveolus, whereas the tooth is attached by the periodontal ligament to the bone allowing movement. many clinicians prefer tooth/implant supported fixed prosthesis designs with rigid connectors. however, there are some doubts about the effect of attachment placement i...

objective: basic fibroblast growth factor (bfgf) is a cytokine involved in angiogenesis, tissue remodeling and stimulation of osteoblasts and osteoclasts. the present study assesses the effects of a local injection of bfgf on the rate of orthodontic tooth movement. materials and methods: in this laboratory animal study, we randomly divided 50 rats into 5 groups of 10 rats each. rats received 0....

background: selective alveolar corticotomy is defined as an intentional injury to cortical bone. this technique is an effective means of accelerating orthodontic tooth movement. the aim of this study is to evaluate the effect of buccal corticotomy in accelerating maxillary canine retraction. materials and methods: the sample in this clinical trial study consisted of 15 adult female patients wit...

This is a qualitative study of the career perspectives early female leaders in Canada whose careers emerged from second-wave feminist movement and who ascended to executive leadership positions. Using discourse analytic lens, we analyze their on women's limited presence roles. The research participants suggested that women lacked necessary resilience or personality; requisite political skills; ...