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      Effect on the contour of bone and soft tissue one year after harvesting chin bone for alveolar cleft repair

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      International Journal of Oral and Maxillofacial Surgery

      Elsevier BV

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          Abstract

          In this study the authors evaluate and quantify the residual bony defect in the mandibular symphysis and its effect on the soft tissue contour a minimum of 1 year after harvesting chin bone. 59 ASA I cleft lip and palate patients, aged 8-19 years were included. In all patients an autologous bone graft from the mandibular symphysis was harvested for transplantation to the alveolar cleft. Lateral cephalograms were used to measure the donor site defects, and the effects on the soft tissue contour. An evident residual defect was measured at the donor site 1 year after harvesting chin bone. A significant relation was seen between age at time of surgery and size of the defect 1 year postoperatively. In older patients a larger defect remained. Using the current surgical technique of harvesting chin bone, complete bony repair of the defect was not achieved. This study shows postoperatively persisting defects that comprise on average 14% of the original peroperative defects. A significant increase in soft tissue thickness was seen at the mandibular symphysis at a minimum of 1 year postoperatively. These changes in the soft tissue chin contour 1 year after harvesting bone are similar to normal growth changes.

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          Author and article information

          Journal
          International Journal of Oral and Maxillofacial Surgery
          International Journal of Oral and Maxillofacial Surgery
          Elsevier BV
          09015027
          October 2010
          October 2010
          : 39
          : 10
          : 962-967
          Article
          10.1016/j.ijom.2010.06.001
          20615664
          © 2010

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