Experimental research on palatal scarring and changes in the adjacent soft tissue in alveolar distraction osteogenesis

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The palate scar was deficient in cells and blood vessels, and bundles of thick fine fibers are arranged in parallel to the mucosal surface across the palate, which is characterized as tissues deficient in flexibility. The presence of scar not only makes it difficult to move teeth in an orthodontic treatment, but is considered to be a big factor of relapse after treatment. In this study, postoperative comparisons on palatal scarring and changes in the adjacent soft tissue in alveolar distraction osteogenesis was made by three-dimensional analysis.