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Accuracy of cephalometric and video imaging program Dentofacial Planner Plus in orthognathic surgical planning by Günter Schultes; Alexander Gaggl; Hans Kärcher is a Medicine article available to read on EtoBox.

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The prediction of profile changes after surgery poses a problem due to the variability of the soft tissue and the differences in soft-tissue translations relative to osseous changes. This study examined the accuracy of computer predictions of such soft-tissue changes. Twenty-five patients with mandibular retrognathia were examined before and after orthognathic surgery. Changes in soft-tissue reference points were correlated to translations of hard-tissue references in the sagittal and vertical planes, and the measurements from these patients were compared to results predicted in preoperative planning by the cephalometric and video imaging program Dentofacial Planner . In surgical treatment involving advancement of the mandible, the mean operative advancement of the osseous pogonion was 6.06 mm. The corresponding movements of soft-tissue references, expressed as percentages relative to the movement of the osseous pogonion in the sagittal plane, were 98.4% for the soft-tissue pogonion, 93.6% for the soft-tissue menton, and 49.0% for the soft-tissue labral inferior. The same measurements were carried out in the vertical plane and the changes in soft-tissue references were compared to

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Author

Günter Schultes; Alexander Gaggl; Hans Kärcher

Publisher

John Wiley and Sons; Informa UK (Taylor & Francis); Taylor & FrancisCAS Journal; Informa UK Limited; Wiley (ISSN 1092-9088)

Published

1999

Language

EN

Field

Medicine (Health Sciences)